Snowleopard's 2023 Road Trip: California, Arizona & Oregon

Question: how would snake containment work outdoors? I could absolutely see some outdoor Turtle and Lizard exhibits being impressive, but I'm not sure how outdoor snake exhibits would work? You're the expert, however, so hopefully you can show me some great examples of how it can be done.
Outdoor enclosures for snakes have been a thing both among zoos and private keepers for decades, up to the point that several articles and even books have been published on that matter, including various great practical examples.
Freilandterrarien für Schlangen
TERRARIA 16, Freilandterrarien
My current favorites in European zoos include, among others, Innsbruck, Nockalm, Calden and Freiland-Aquarium und -Terrarium Stein.
 
Yes, @Batto, the "Cheyenne Mountain Disease" has spread to Living Desert and it's ghastly. Here is a terrarium at Living Desert Zoo for a Western Diamondback Rattlesnake. The snake is hiding in shame at the back:

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And you can just make out the head (on the left hand side) of a Red Diamond Rattlesnake in this garish enclosure. It goes against all the naturalism elsewhere at this excellent zoo:

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I much prefer Living Desert's excellent, San Diego-style Desert Tortoise exhibit:

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And @Batto, you must have been impressed with the extensive rattlesnake collection at Rattlesnake Ranch AZ. Is it time to import a couple of those beauties to Austria? :p

There are some European zoos that provide excellent outdoor homes for snakes, such as the Scandinavian Wildlife Park in Denmark. There are large enclosures for Grass Snakes and some type of Viper. A thin mesh covers the top of the exhibit:

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And to answer the question posed by @lintworm, which is a good one, I think that some zoos (Oakland, Oregon, many Scandinavian places) really are the future of zoos in terms of less species, but in huge exhibits. In a way, I hope that's not true as it's rewarding to showcase the biodiversity of Earth with as many species as possible, as long as those animals are maintained in modern exhibits.

A close friend of mine sent me a WhatsApp text this morning, calling Oakland's California Trail "horrendous" and I can't include any of his expletives here. ;) On one hand, that new section at Oakland is magnificent for both visitors and animals and is obviously hugely successful as attendance numbers have skyrocketed and have now been maintained at a very high level 5 years after California Trail opened. It's a win-win, right? BUT, to have 56 acres for only 8 species, and costing $70 million, causes some zoo nerds to question it all. That's a lot of effort for not a lot of animals. Then there's Oregon Zoo, overhauling almost half the zoo's acreage for 5 elephants, a couple of bears, a few chimps, and two rhinos also seems both progressive (modern exhibits) and regressive (there's now only 110 species in the entire zoo).

My beloved San Diego and Berlin zoos (generally regarded as the two best on the planet by most people on this site) seem to continue to buck that trend. San Diego actually adding circa 80 species in the past 6 years, and Berlin keeping most everything it has in terms of its animal collection, is marvelous for zoo nerds. We all know that the majority of zoos are going down the Oakland and Oregon route, but to have a few San Diegos, Omahas, Berlins and even Pairi Daizas (all adding animals!) is fabulous. Long may it continue. When it comes to zoo nerd expectations, by looking at the 32 zoos selected in the ZooChat World Cup several years ago, all those zoos were larger ones with big animal collections.
 
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And to answer the question posed by @lintworm, which is a good one, I think that some zoos (Oakland, Oregon, Woodland Park, many Scandinavian places) really are the future of zoos in terms of less species, but in huge exhibits. In a way, I hope that's not true as it's rewarding to showcase the biodiversity of Earth with as many species as possible, as long as those animals are maintained in modern exhibits.

I think that is one vision of the future and I would say we need to be careful to not extrapolate that unnecessarily. I agree that for some animals such as polar bears and elephants (and I hope small carnivores) bigger is the trend. But that does not need to mean a reduction of overall diversity. It does mean that smaller zoos will need to make choices about which megafauna to display, but if space requirements change you can either opt for building larger enclosures for the same species or switching to smaller species. And let's not forget Heini Hediger in that space is not everything, every species has a minimum requirement, but with proper structure and smart design zoos can compensate a lot. Fortunately Hediger still has followers in for example his native Switzerland, where Zoo Basel is showing what is possible on a small space (though not always successfully).

I also have the feeling that spreadsheet directors use less space for more animals as an excuse to get rid of species they don't find interesting. These Scandinavian zoos and Oakland too would have plenty of space to add extra enclosures for smaller animals and it is just (cultural) disinterest in doing so.

In recent years both Tierpark Bern and Zoo Dublin, who had been 2 of the clearest examples in moving towards a small collection in large enclosures, have stated that presenting more diversity is a new goal. In both cases that came after a switch of management, but it shows that it can also be a wave movement and as long as there are zoo directors (and higher management in general) around that are actually biologists that care about animals, there will remain zoos that will go out of their way for a tree hyrax, a dung beetle or other unique animals.

My beloved San Diego and Berlin zoos (generally regarded as the two best on the planet by most people on this site)

You should be careful not to confuse the words favourite and best, the first is 100% subjective and personal. The latter is a more objective term, even though nobody has found a good way to objectively decide which zoo is best. And that is not for lack of trying. Even then I don't think most people here think Berlin Zoo is one of the best 2 zoos on the world, there will be many fans, but certainly not most.
 
There is a real frustration at modern zoos when there is a huge new exhibit built and then a general lack of small animals are included anywhere. Oakland's successful California Trail complex could be expanded in the future, with satellite enclosures for animals like Coyotes, Red Foxes, various raptors, a building for reptiles and amphibians, etc. Even if $5 million, a measly amount for many major American zoos, was taken aside for additional species then the entire experience would be richer on the California Trail. Perhaps that will happen, as there is certainly not a lack of space there.

Dublin is a great example of a zoo that has been adding megafauna and ignoring smaller animals for 20 years. But since attendance figures skyrocketed, then maybe that was the way to go! There was the big elephant addition, then an African Savanna, gorillas, sea lions, orangutans, etc. The new director (Christoph Schwitzer) is a self-confessed "zoo nerd" and perhaps he will bring a new perspective, especially that Aye-Ayes have been added. At some zoos, like Oregon, Oakland and Dublin, what's needed are a series of exhibits with more diversity. Adding animal houses (Tropical, Reptile, Nocturnal) is expensive but adds a ton more species to a zoo and also adds a significant amount of time to a zoo visit. As one director recently told me, "the longer families stay at a zoo, the more they'll spend on food and souvenirs".
 
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@snowleopard , an honest question, is there much of a history in any major zoo to in-fill a recently opened area with small additions? I know it is reasonably common in aquariums, but what about zoos? I am not familiar with anything like that overall.

I think that ZooTampa in-filled their African area with the side aviaries after the mega fauna exhibits opened, but since they lost a ton of species overall in that area I don't really count that as a good example.
 
Yes, @Batto, the "Cheyenne Mountain Disease" has spread to Living Desert and it's ghastly. Here is a terrarium at Living Desert Zoo for a Western Diamondback Rattlesnake. The snake is hiding in shame at the back:

full


And you can just make out the head (on the left hand side) of a Red Diamond Rattlesnake in this garish enclosure. It goes against all the naturalism elsewhere at this excellent zoo:

full


I much prefer Living Desert's excellent, San Diego-style Desert Tortoise exhibit:

full


And @Batto, you must have been impressed with the extensive rattlesnake collection at Rattlesnake Ranch AZ. Is it time to import a couple of those beauties to Austria? :p

There are some European zoos that provide excellent outdoor homes for snakes, such as the Scandinavian Wildlife Park in Denmark. There are large enclosures for Grass Snakes and some type of Viper. A thin mesh covers the top of the exhibit:

full


And to answer the question posed by @lintworm, which is a good one, I think that some zoos (Oakland, Oregon, many Scandinavian places) really are the future of zoos in terms of less species, but in huge exhibits. In a way, I hope that's not true as it's rewarding to showcase the biodiversity of Earth with as many species as possible, as long as those animals are maintained in modern exhibits.

A close friend of mine sent me a WhatsApp text this morning, calling Oakland's California Trail "horrendous" and I can't include any of his expletives here. ;) On one hand, that new section at Oakland is magnificent for both visitors and animals and is obviously hugely successful as attendance numbers have skyrocketed and have now been maintained at a very high level 5 years after California Trail opened. It's a win-win, right? BUT, to have 56 acres for only 8 species, and costing $70 million, causes some zoo nerds to question it all. That's a lot of effort for not a lot of animals. Then there's Oregon Zoo, overhauling almost half the zoo's acreage for 5 elephants, a couple of bears, a few chimps, and two rhinos also seems both progressive (modern exhibits) and regressive (there's now only 110 species in the entire zoo).

My beloved San Diego and Berlin zoos (generally regarded as the two best on the planet by most people on this site) seem to continue to buck that trend. San Diego actually adding circa 80 species in the past 6 years, and Berlin keeping most everything it has in terms of its animal collection, is marvelous for zoo nerds. We all know that the majority of zoos are going down the Oakland and Oregon route, but to have a few San Diegos, Omahas, Berlins and even Pairi Daizas (all adding animals!) is fabulous. Long may it continue. When it comes to zoo nerd expectations, by looking at the 32 zoos selected in the ZooChat World Cup several years ago, all those zoos were larger ones with big animal collections.
However, the reptiles in CMZ didnt live with the furniture and pots, they live INSIDE them
 
Yes, @Batto, the "Cheyenne Mountain Disease" has spread to Living Desert and it's ghastly. Here is a terrarium at Living Desert Zoo for a Western Diamondback Rattlesnake. The snake is hiding in shame at the back:

full


And you can just make out the head (on the left hand side) of a Red Diamond Rattlesnake in this garish enclosure. It goes against all the naturalism elsewhere at this excellent zoo:

full
At least these exhibits seem like a good size and have natural substrate in them. These may not be amongst the best Rattlesnake exhibits, but they aren't anywhere near as inexcusable as Scutes Family Gallery.
 
And @Batto, you must have been impressed with the extensive rattlesnake collection at Rattlesnake Ranch AZ. Is it time to import a couple of those beauties to Austria?
I've heard about it before (the venom world can be small). It sounds and looks like a place I would enjoy visiting. Except for the dog shock collar avoidance training, which wouldn't fly here in Austria due to local animal welfare regulations (we don't have free-ranging rattlesnakes here, though ;) ). As for the species list: it's a very nice collection, and it made me think "Yeah, got that one", "Remember keeping/working with those" and "Oh, would love to have that species" several times. Arizona is probably the best place to go for rattlesnakes, next to Mexico.:)
 
As one director recently told me, "the longer families stay at a zoo, the more they'll spend on food and souvenirs".

There is actually quite a strong correlation between number of species in a zoo and overall attendance, with the most species rich zoos having the highest attendance (see here https://www.zoochat.com/community/threads/zoochat-journal-club.465771/page-2#post-1187680). If one causes the other or whether there is another mechanism behind it is a different debate. But it is a strong indication that it is worthwhile to invest in more than a few ABCs. As you say it increases time spent in a zoo, which increases income.
 
I don't know how I think the future zoos will look, but as silly as it sounds for a zoo with little developments and often said to be stuck in the past, but I hope the zoos of the future will adopt a Brookfield design philosophy. That is to say, while certainly keeping megafauna to please the crowds, shifting the collection's focus to more obscure smaller species like passerines, small mammals, and herps. Putting smaller exhibits for those types of species all over the zoo, among all the crowd-pleasing species.
 
At least these exhibits seem like a good size and have natural substrate in them. These may not be amongst the best Rattlesnake exhibits, but they aren't anywhere near as inexcusable as Scutes Family Gallery.
As Hediger and others already stated decades ago: a "good size"d enclosure is of little use for the animal in question if the enclosure structuring and design does not carter to its needs. It would be so easy to improve these rattlesnake tanks both for the animals and the visitors, given that apt natural elements such as rocks, leaves, branches etc.are literally laying around for free outdoors. Apparently, the responsible people at this zoo do not understand or appreciate rattlesnakes. Or how to exhibit them.
 
There is actually quite a strong correlation between number of species in a zoo and overall attendance, with the most species rich zoos having the highest attendance (see here https://www.zoochat.com/community/threads/zoochat-journal-club.465771/page-2#post-1187680). If one causes the other or whether there is another mechanism behind it is a different debate. But it is a strong indication that it is worthwhile to invest in more than a few ABCs. As you say it increases time spent in a zoo, which increases income.
This is fascinating information. I look forward to reading the full paper. I have a lot of thoughts and drafted many of them but I should wait until I read the data. I hope this is something zoos are paying attention to.

I don't know how I think the future zoos will look, but as silly as it sounds for a zoo with little developments and often said to be stuck in the past, but I hope the zoos of the future will adopt a Brookfield design philosophy. That is to say, while certainly keeping megafauna to please the crowds, shifting the collection's focus to more obscure smaller species like passerines, small mammals, and herps. Putting smaller exhibits for those types of species all over the zoo, among all the crowd-pleasing species.
I'd like to echo this, and I know @pachyderm pro used his opportunity to communicate with Brookfield specifically to let them know this is something a lot of people appreciate about the facility.

I fear that what has happened a lot is that zoos ostensibly begin with this approach in mind but when budget constraints sink in they cut the smaller exhibits first. Brookfield has their own example with Great Bear Wilderness.
 
My current favorites in European zoos include, among others, Innsbruck, Nockalm, Calden and Freiland-Aquarium und -Terrarium Stein.

There's definitely more than a few excellent examples of the "genre" in Germany and elsewhere in Central Europe - to the point that, like yourself, I am somewhat surprised that it is largely unheard-of in North America!

As you noted, Innsbruck is one of the very best - and certainly my personal favourite - but others which those reading this thread should investigate include Augsburg, Wildpark Schwarze-Berge, Wilhelma and Prague.

My beloved San Diego and Berlin zoos (generally regarded as the two best on the planet by most people on this site) seem to continue to buck that trend.

Even then I don't think most people here think Berlin Zoo is one of the best 2 zoos on the world, there will be many fans, but certainly not most.

I'd actually tend to suggest that - where European members of the forum are concerned, at any rate - there are probably more people who would put Prague ahead of Berlin in any such ranking nowadays.... myself included, even if I possibly still hold the two Berlin collections closer to my heart.
 
DAY 12: Saturday, July 15th

Final Zoo/Aquarium of the trip!

Zoo/Aquarium #17: Northwest Trek Wildlife Park (Eatonville, Washington)

This was my 5th visit to Northwest Trek Wildlife Park (2005, 2006, 2009, 2012, 2023)

Northwest Trek Wildlife Park is an AZA-accredited facility that opened in 1975. It is 725 acres/293 hectares in size and like the nearby Point Defiance Zoo is owned and operated by Metro Parks Tacoma. Annual attendance hovers around 200,000 and the park features only northwest wildlife. The establishment is divided into three main areas: Tram Tour that takes visitors through a 435-acre/176-hectare enclosure; Walking Tour with a wide variety of North American mammals and birds; and Nature Trails, a series of hikes through dense forest with no captive animals.

The park really hasn’t changed much over the years. A $2 million, half-acre Kids’ Trek play area opened in 2016, and Eagle Passage (home to 4 Bald Eagles) opened in 2019, and that might be it in terms of new stuff that has opened in the last 20 or 25 years. Way back in 1994 the park had 210,000 visitors, and in 2020 the park had 210,000 visitors. Sometimes there is no need for change, as just about all the exhibits at Northwest Trek have stood the test of time. Many North American zoo nerds love this place, but in truth it is very similar to dozens of 'wildparks' that are scattered throughout Germany.

Zoo entrance:

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Walking Tour:

This area is the highlight of the park, and there is a fairly comprehensive variety of North American mammals in this zone. There are two massive enclosures featuring Grizzly and Black Bears and the easiest way to describe the habitats is to point out that the park has essentially taken a few acres of dense woodland and erected a chain-link fence around the perimeter. Each bear exhibit is at least two acres in size, there is an upper viewing deck that gazes down into the enclosures, and also a lower viewing deck that places visitors in close proximity to the bears. In fact, the moderate level of hotwire makes it seem as if very little is between the bruins and humans, but this only adds to the excitement of seeing the bears lumbering through their forest home. I saw two specimens of each bear species.

Black Bear exhibit:

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Black Bear exhibit:

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Grizzly Bear exhibit:

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A trio of cat exhibits date from the late 1980’s but they are all still excellent. Tall trees allow for some minor climbing opportunities, but metal plates deter any animals from reaching the upper canopy. Cougars, Bobcats and Canada Lynx are separated from visitors by a stream that runs through the exhibits, and the water acts as a moat between the land and the raised viewing deck where visitors peer out at the cats. Glass viewing windows on a lower level would be excellent, but here the fun is in attempting to locate an animal in the undergrowth. To be honest, on this particular visit I only saw one Cougar and failed to see either a Bobcat or Canada Lynx.

Cougar exhibit:

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Canada Lynx exhibit:

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Bobcat exhibit (all the viewing decks around the park look similar):

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The canid section is represented by two exhibits that are exemplary. Grey Wolves have a large section of forest to roam, and the animals are separated from humans via chain-link fencing on three sides and an open moated area at the front with very little hotwire. The wolves are also seen via the Baker Research Cabin, a little hut that could hold perhaps a dozen visitors. There are large windows in the cabin that allow for viewing opportunities of the wolves. The cabin itself is rustic in appearance, and the walls are packed with information on the behavior of wolves in the wild. Wolverines (in an exhibit that held Coyotes for many years) and Red Foxes are in habitats that are perhaps even more naturalistic, as the chain-link fencing in the background is obscured by plantings.

Grey Wolf exhibit (one viewing area is found within this small cabin):

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Red Fox exhibit:

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Wolverine exhibit:

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The Forest Animals section is also a very popular area of the park, as there are 7 species and I always sense an air of excitement as visitors move back and forth from each enclosure beneath a covered area. Along one wall are exhibits for Beavers, River Otters and Raccoons, while the other side has enclosures for Striped Skunks, American Marten (temporarily empty during my visit) and American Badger. In the past I’ve seen Wolverines and Fishers here as well, as the lineup of species is never set in stone. All of the enclosures still hold up fairly well decades after being constructed. There is underwater viewing for the beavers and otters, and each enclosure has a den viewing area so that seeing the animals is usually an easy task. There’s then a set of stairs that leads to an upper viewing area, where all 6 species already viewed can be seen again by looking down into their exhibits. On the upper level can be found the 7th species, a North American Porcupine exhibit that can only be seen from the higher section.

Forest Animals entrance:

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Beaver exhibit:

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Striped Skunk exhibit:

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River Otter exhibit:

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American Marten exhibit (looking down from the upper level):

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There are four aviaries in the center of the park, with Snowy Owls and Barn Owls within enclosed spaces and a Golden Eagle viewed with no obstruction on one side of the aviary. The 2019 addition of Eagle Passage allows visitors to walk through a netted tunnel, beneath the 30-foot-high mesh, to view 4 rehabilitated and partially flightless Bald Eagles. It’s a very nice aviary and the only new animal exhibit in the park since the 1990s.

Eagle Passage:

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The Cheney Discovery Center is a small building that is always warm and cozy and offers up several activities for small children, and the center is filled with posters, pelts, drawing books and taxidermy specimens. From a zoo nerd’s perspective, there used to be 5 animal species but now that number has been increased to these 8 species: Gopher Snake, Garter Snake, Northern Leopard Frog, Pacific Tree Frog, Western Toad, Great Basin Spadefoot Toad, Rough-skinned Newt and Pacific Banana Slug.

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Tram Tour:

The park is still waiting for six brand-new electric trams that were ordered from a company in Portugal, and the trams will supposedly be much better for the environment and also quieter rides than the previous ones. However, they still have not arrived and I already knew that before I visited the zoo. Northwest Trek will be the very first location in the entire USA for the new, state-of-the-art electric trams and the old propane-fueled ones will be obsolete. The park has also built a brand-new Tram Station with more space and covered guest areas. For now, I had the option to drive through this part of the park in my own vehicle, but the outrageous cost ($70 US = $120 Canadian) ensured that there was zero chance of me even considering that option.

On all 4 previous visits to Northwest Trek, I’ve taken the free Tram Tour and so it makes sense for me to copy and paste my review of the Tram Tour from a 2012 visit, which gives readers an overall impression of what to expect:

This is essentially an hour-long tour through a 435-acre/176-hectare exhibit, and it is well worth taking for any major zoo fan. All the animals have free reign of the entire area, and they can only be seen from the tour. There are 7 mammal species in the enclosure: Woodland Caribou, Roosevelt Elk, Black-tailed Deer, Rocky Mountain Goat, Bighorn Sheep, American Bison and Moose. On this particular visit I also spotted 3 Trumpeter Swans, several Western Painted Turtles, a Pileated Woodpecker noisily bashing at a tree, about 25 Bighorn Sheep, all 3 of the park's Rocky Mountain goats (1.2), a handful of Woodland Caribou, about 20 Elk, a single female Moose (I believe that the park has 3 altogether), about 15 American Bison and a handful of Black-tailed Deer. The tram guide said that there are anywhere from 40-50 Black-tailed Deer roaming the 435-acre enclosure. I’m not a huge fan of seeing captive animals in moving vehicles (trams, monorails, safari jeeps, trains, etc.) but in this case having 435 acres at their disposal is a marvelous benefit for the animals. The tram moves quite slowly and will almost stop at times if an animal is alongside the paved road, and there is a steep climb of almost 1,000 feet in elevation that allows for some splendid views. The herds are managed with contraceptives, and it is interesting to see unusual sights such as a male Bison crashing through the woods or a Rocky Mountain Goat grazing on the edge of a meadow.

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Nature Trails:

The park has about 4 miles of self-guided nature trails that do not feature any captive animals. There is the Hidden Meadow Loop (0.25 miles), Triangle Loop (0.3 miles), Reflection Loop (0.3 miles), Half Mile Loop (0.5 miles), Ohop Loop (1 mile) and Big Tree Trail (0.5 miles).

OVERALL:

Northwest Trek Wildlife Park is nestled in a hotbed of captive wildlife institutions in the Pacific Northwest. Within about 40 minutes of each other, and major cities Seattle and Tacoma, resides Woodland Park Zoo, Seattle Aquarium, Point Defiance and Northwest Trek. There is even Cougar Mountain Zoo and The Reptile Zoo, if one wanted to see what crappy, non-AZA accredited institutions look like.

Northwest Trek is consistently a 3-hour visit for me, although with the Tram Tour being closed I spent two hours this time around. For zoo nerds, Northwest Trek is superb, with borderline outstanding exhibits and a plethora of North American animals scattered around the grounds. It's a rarity here, but in Germany these kind of parks are common. There are only approximately 35 species to be seen, but the Tram Tour is interesting to view all those ungulates in their natural environment. The Walking Tour features some of the best bear, canid, feline and small mammal enclosures to be found in any American zoo, and there are countless photographers who have tripods set up attempting to take pictures that will replicate the natural conditions of animals that reside in the Pacific Northwest. It is well worth a visit, and I would highly recommend the park to anyone up in the Washington state area.

That’s all folks! After this 17th and final zoo, I drove 4 hours north to Abbotsford, British Columbia, Canada, with a nice chat at the border security crossing when I showed the officer my crazy itinerary. He said that he'd been to maybe 5 zoos ever, and of course hadn't heard of most of the ones that I'd just toured. I ended up driving just over 5,000 km (3,100 miles) on the trip, which shows how incredibly far apart major zoos are in my part of the world. If I lived in central Europe, I'm convinced that I would have easily visited more than 1,000 different zoos/aquariums in my lifetime by now.

I’ll finish this latest ‘Snowleopard Road Trip’ thread with another few posts to wrap things up.
 
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Who doesn't love lists? Here's a bunch! :)

I drove through 4 U.S. states on this latest road trip and here's my updated zoo totals for Arizona, California, Oregon and Washington. Aquariums are in bold.

I've now visited 14 Arizona zoos as I added on Rattlesnake Ranch AZ and OdySea Aquarium this time around:

Arizona-Sonora Desert Museum (Tucson)
Bearizona (Williams)
Butterfly Wonderland (Scottsdale)
Grand Canyon Deer Farm (Williams)
Heritage Park Zoological Sanctuary (Prescott)
Keepers of the Wild (Valentine)
OdySea Aquarium (Scottsdale)
Out of Africa Wildlife Park (Camp Verde)
Phoenix Zoo (Phoenix)
Rattlesnake Ranch AZ (Cave Creek)
Reid Park Zoo (Tucson)
Sea Life Arizona (Tempe)
Superstition Serpentarium (Apache Junction)
Wildlife World Zoo, Aquarium & Safari Park (Litchfield Park)


And 63 California zoos as I added on Big Bear Alpine Zoo:

America’s Teaching Zoo: Moorpark College (Moorpark)
Applegate Park Zoo (Merced)
Aquarium of the Bay (San Francisco)
Aquarium of the Pacific (Long Beach)

B. Bryan Preserve (Point Arena)
Big Bear Alpine Zoo (Big Bear Lake)
Birch Aquarium (San Diego)
Bolsa Chica Interpretative Center (Huntington Beach)
Cabrillo Marine Aquarium (San Pedro)
California Academy of Sciences (San Francisco)

California Raptor Center (Davis)
California Science Center (Los Angeles)
California Living Museum (Bakersfield)
California Wolf Center (Julian)
Central Coast Aquarium (Avila Beach)
Charles Paddock Zoo (Atascadero)
CuriOdyssey (San Mateo)
Doheny State Beach Interpret. Center & Aquarium (Dana Point)
Feline Conservation Center (Rosamond)
Folsom City Zoo Sanctuary (Folsom)
Forever Wild Exotic Animal Sanctuary (Phelan)
Free Flight: Exotic Bird Sanctuary (Del Mar)
Fresno Chaffee Zoo (Fresno)
Gibbon Conservation Center (Santa Clarita)
Happy Hollow Park & Zoo (San Jose)
Lindsay Wildlife Experience (Walnut Creek)
Living Coast Discovery Center (Chula Vista)
Living Desert Zoo (Palm Desert)
Los Angeles Zoo (Los Angeles)
Marine Mammal Care Center (San Pedro)
Marine Mammal Center (Sausalito)

Micke Grove Zoo (Lodi)
Monterey Bay Aquarium (Monterey)
Monterey Zoo (Salinas)
Morro Bay Aquarium (Morro Bay) - now closed
Natural History Museum: Butterfly Pavilion (Los Angeles)
Northcoast Marine Mammal Center (Crescent City)
Oakland Zoo (Oakland)
Ocean Institute (Dana Point)
Ocean World (Crescent City)

Orange County Zoo (Orange)
Pacific Marine Mammal Center (Laguna Beach)
Palo Alto Junior Museum & Zoo (Palo Alto)
Project Survival’s Cat Haven (Dunlap)
Reptile Zoo (Fountain Valley)
Roundhouse Marine Studies Lab & Aquarium (Manhattan Beach)
Sacramento Zoo (Sacramento)
Safari West Wildlife Preserve (Sonoma County)
San Diego Zoo (San Diego)
San Diego Zoo Safari Park (Escondido)
San Francisco Zoo (San Francisco)
Santa Ana Zoo (Santa Ana)
Santa Barbara Museum of Natural History Sea Center (Santa Barbara)
Santa Barbara Zoo (Santa Barbara)
Santa Monica Pier Aquarium (Santa Monica)
Sea Life Carlsbad (Carlsbad)
SeaWorld San Diego (San Diego)

Sequoia Park Zoo (Eureka)
Seymour Marine Discovery Center (Santa Cruz)
Six Flags Discovery Kingdom (Vallejo)
Sulphur Creek Nature Center (Hayward)
Turtle Bay Exploration Park (Redding)
Wildlife Learning Center (Sylmar)


And 13 Oregon zoos as I added on Wildlife Images and Charleston Marine Life Center:

Cascades Raptor Center (Eugene)
Charleston Marine Life Center (Charleston)
Great Cats World Park (Cave Junction)
Hatfield Marine Science Center (Newport)
High Desert Museum (Bend)
Oregon Coast Aquarium (Newport)
Oregon Undersea Gardens (Newport) - now closed

Oregon Zoo (Portland)
Portland Aquarium (Oak Grove) - now closed
Seaside Aquarium (Seaside)

West Coast Game Park Safari (Bandon)
Wildlife Images Rehabilitation and Education Center (Merlin)
Wildlife Safari (Winston)


And 17 Washington zoos, with no new additions:

Bug Museum (Bremerton)
Cat Tales Zoological Park (Mead)
Cougar Mountain Zoo (Issaquah)
Marine Life Center (Bellingham)
MaST (Marine Science and Technology) Center (Des Moines)

Northwest Trek Wildlife Park (Eatonville)
Olympic Game Farm (Sequim)
Pacific Science Center (Seattle)
Point Defiance Zoo (Tacoma)
Port Townsend Marine Science Center (Port Townsend)
Puget Sound Estuarium (Olympia)

Reptile Zoo & Living Museum (Monroe)
SEA Discovery Center (Poulsbo)
Seattle Aquarium (Seattle)
Westport Aquarium (Westport)

Wolf Haven International (Tenino)
Woodland Park Zoo (Seattle)


Top 13 U.S. states where I’ve visited the most zoos:

California – 63 zoos/aquariums
Texas – 45
Wisconsin – 28
Michigan – 20
Washington – 17
Arizona – 14
Illinois – 13
Oregon – 13
Florida – 12
Minnesota – 11
Kansas – 10
Missouri – 8
New Mexico – 8


I've actually been to these 8 U.S. states (only the airport in Hawaii!) and I've not seen any zoos:

Alaska – 0 zoos/aquariums
Delaware – 0
Hawaii – 0
Maine – 0
New Hampshire – 0
Vermont – 0
West Virginia – 0
Wyoming – 0


My all-time zoo list hasn't gone up a great deal in the last few years, but I'm now currently sitting at 551 different zoos/aquariums. (436 zoos + 115 aquariums)

The breakdown:

USA – 377 zoos/aquariums
Netherlands – 43
Germany – 40
Canada – 33
Australia – 19
Denmark – 16
Belgium – 10
Sweden – 6
France – 2
Norway – 2
Switzerland – 2
Trinidad & Tobago – 1

(I've also been to Mexico, Italy and Vatican City, but no zoos in those locations)
 
Thank you for another collection of thoughtful and intriguing reviews, @snowleopard! I have greatly enjoyed following along with this road trip, especially as a new SoCal local. It was great to see some more of the smaller facilities featured I have not yet visited, and it was very helpful in planning a future trip to Phoenix that I have been tossing the idea of around for awhile now.
 
I drove just over 5,000 km/3,100 miles and braved several days of extremely hot temperatures, but through all of that I had a ton of fun. I was able to add on 5 new zoos that I’d never visited and I toured a number of high-profile old favourites. It really struck me to see the vast distances covered, as it was the equivalent of a zoo nerd driving from London, England, to Sofia, Bulgaria, and back again within 12 days. Contrast that with western Germany, with zoos like Dortmund, Duisburg, Cologne, Gelsenkirchen, Krefeld and Wuppertal (big, top 40 German zoos) all within a two hour or less radius. Plus there's probably another 40 smaller zoos in the same area! It's totally bonkers. Someone could visit a different zoo every week for a year and never leave that geographically small part of the world in one section of Germany.

I'd like to touch on a key point that has been a theme of this particular road trip. In an era where it seems that every single zoo nerd around the world has lamented the lack of biodiversity in modern zoos, I was elated to see that San Diego has approximately 170 species in their two new complexes (Africa Rocks and Wildlife Explorers Basecamp). Those new sections can easily take a combined two hours or more to tour, which is extraordinary in today’s day and age. Contrast that with Oregon Zoo, with its total of 110 species for the entire zoo. Other zoos have jam-packed areas of animals, such as Phoenix with its 105 species and an incredibly diverse lineup of animals in its Arizona Trail loop. To see big zoos offering up a lot for visitors makes for longer, more satisfying days. Don't get me wrong, a place like Northwest Trek Wildlife Park is tremendous, but after two hours I was done and when the tram tour reopens it will be a 3-hour visit next time and for only 35 species. It's definitely a great place, but obviously limited and that's why it's attendance numbers don't ever change. The population of Washington state has doubled since the 1980s, but the park's attendance numbers never change.

Oregon Zoo is an intriguing establishment and I want to stick up for it a little as I feel that I have given it a bit of a hard time on this thread. For my wife and 4 kids, Oregon offers up a tantalizing prospect of a visit that we tentatively plan to make in March of 2024. My family will be happy at a large ABC-style zoo that has Asian Elephants, Polar Bears, Chimpanzees, Cheetahs, Cougars and African Wild Dogs, none of which are to be found at Woodland Park Zoo in Seattle. I’m sure it will be a great day out and Oregon is a zoo I’m quite familiar with and I’d happily place it in a list of the 30 best zoos in America. It has a top-notch Great Northwest section of native animals, and the African area being divided into Predators, Savanna and Rainforest zones is terrific. There’s nothing really wrong with Oregon Zoo from a Muggle’s perspective and I can say that as a schoolteacher, a husband and a father of 4 children.

But, and this is a crucial fact for a site like ZooChat, Oregon Zoo is lagging behind other facilities from my subjective zoo nerd perspective. Having spent $125 million and revamped 40% of the acreage since 2008, one would be inclined to think that the zoo has been flourishing. The most recent developments (Polar Bears, Chimpanzees, Black Rhinos, Insects) are all perfunctory, generic and simply ‘meh’ from a ZooChatter's viewpoint. There was no place for Oregon in ZooChat threads lauding ‘must-see’ zoos or exhibits and deservedly so. Where’s the innovation? Where’s the biodiversity? Is this the future of zoos? Or will it be the San Diego approach? Likely we'll see a combination of both trends.

Oakland Zoo is another example of a modern establishment, devoting 56 acres/22 hectares and doubling the size of the institution for a measly 8 species. Did I like the new California Trail complex? Of course! It’s spectacular and one day I’d love to have lunch in that splendid looking restaurant that overlooks San Francisco Bay. The enormous exhibits are beautiful, but where’s the space for the small animals? Will they be added at a later date? It's unlikely. Living Desert Zoo is another great facility, but it is very mammal focused and hardly has any reptiles, amphibians or fish. A new Reptile House at Oregon, Oakland or Living Desert would be fantastic for those zoos. It would provide visitors with something different, with an option to be indoors, surrounded by air-conditioning and out of the elements, and add at least a half hour to a zoo visit while showcasing a wider range of the world’s creatures. Families would stay longer at a zoo and that means more money spent on food and souvenirs, right? ;)

While on this most recent road trip, I thought about some of the European zoos that I visited in 2019 and 2022. I toured approximately 120 zoos across 7 nations in Europe and on previous threads I’ve already spoken at length about the many differences between zoos on each side of the Atlantic. There’s approximately 240 AZA zoos, but around 400 EAZA zoos and in so many examples the European zoos are ahead of the curve with superior facilities in comparison to North American zoos. North America has loads of great zoos and aquariums, but there’s double that on the other side and in Western Europe there's none of the roadside menageries that are still found throughout the USA.

But what is revealing is that I’ve come to understand how so many Euro zoo nerds truly love a place like Berlin or Prague. They are equally well-established as two of the great zoos of the world, based in part due to the high quality of exhibits but more so because of the animal collection. I remember visiting my first big European zoo in recent years (technically Zurich in October 2003), which was Artis Amsterdam in the Netherlands on July 16th, 2019. There, one can find a Bird House, a Forest House, a Reptile House, an Insect House, a Butterfly House, a Gorilla House, a Small Mammal House, a big Aquarium and even Micropia next door. All of that is packed into 35 acres/14 hectares, which took me 7 hours to see. Plus, there’s a lot of popular ABC mammals, a typically fantastic European quality restaurant, a stunning map and usually a guidebook somewhere in the gift shop. Now that’s a zoo! There are some old-fashioned exhibits that clearly need to be addressed, but Artis has a wealth of character right across its grounds. If I had an option next week to visit that 1838 zoo, with all those animal houses, 500 species and with approximately 20 historically listed “national monuments”, or Oregon Zoo, then who wouldn’t choose Amsterdam? Everyone would choose Amsterdam except for maybe a couple of weirdos who would opt for Oregon. And Berlin and Prague are like Amsterdam on steroids, taking things up to a whole new level.

That’s why San Diego Zoo’s new Wildlife Explorers Basecamp is such a wonderful addition. Including the Hummingbird Aviary and Komodo Dragon section, the whole thing cost almost $90 million and the addition of two new animal houses (Spineless Marvels and Cool Critters) adds a considerable amount of time and new species to the zoo. Animal houses can make a huge difference to a visit, as I illustrated with Artis, and the flip side is that I've seen Seattle's Woodland Park Zoo decrease in quality with the loss of both the Nocturnal House (closed for financial reasons in 2010) and the Reptile House (closed due to a fire in 2016). Those two structures held almost 60 species and it was easy to spend an extra hour at the zoo when they were open. They are sorely missed. Will the 'Forests' building have 60 species when it opens in Seattle in 2026? Zero chance. It's wonderful to see many modern zoos with expansive enclosures for popular mammals, but there's more to the animal kingdom than great apes and bears, and I applaud those zoos with many 'houses' full of smaller creatures to delight visitors and be ambassadors for the biodiversity of wildlife on Earth.
 
Here is the second and final part of my Oregon Zoo review:

Africa
is split into three sections, with a diversity of animals shown via the Rainforest, Savanna and Predators. Back in 1985, ‘Alaskan Tundra’ opened and it’s almost hard to believe that Grey Wolves, Elk, Muskox and Grizzly Bears were all at the zoo during my first ever visit. Then that loop became Predators of the Serengeti in 2009 and now it has become Predators. There are three main yards, for Lions, African Wild Dogs and Cheetahs, which are all typical zoo carnivore exhibits that are of a decent quality. Visitors look out at the inhabitants via a rocky cave, with a lot of neat interpretative material. Sadly, the Caracal is no longer there, and that enclosure has been given over to ‘predators’ such as Ring-tailed and Red Ruffed Lemurs. The African Rock Python is long gone, its space being filled by a Crocodile Monitor from New Guinea! There are still Dwarf Mongooses but an empty exhibit and some wasted space across from them. I preferred this area when it still had the word, and the animals, from the ‘Serengeti’.

Lion exhibit:

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Cheetah exhibit (2010 photo):

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African Wild Dog exhibit:

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Dwarf Mongoose exhibit:

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The second part of the African section is the Savanna, and this area begins at a realistic looking Baobab tree. From there, visitors can stroll through the very tiny but enjoyable Howard Vollum Aviary, which has an upper canopy seen only from the zoo’s Aviary Café, and a lower walking trail. This aviary can be walked through in only a couple of minutes, but for twitchers that wish to linger, here are the 10 species listed on the sign (although how accurate this list is would be up for debate): Hamerkop, Allen’s Gallinule, Crested Coua, Speckled Mousebird, Purple Glossy Starling, Golden-breasted Starling, Emerald Starling, Oriole Warbler, African Pygmy Goose and Maccoa Duck.

Vollum Aviary:

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Rhino Ridge opened in 2021, but it’s not really a new exhibit. The existing rhino yard (too small, narrow, packed dirt) has been combined with the now-defunct Common Hippo exhibit to create two thin, dusty yards that have awkward viewing areas. The zoo has two Black Rhinos, but this ‘reimagining’ is a total bust in my opinion. A scenic Bontebok yard is visually pleasing, exhibits for African Spurred Tortoises and African Crested Porcupines are small and forgettable, and the larger paddock (a single Masai Giraffe, a single Reticulated Giraffe, Speke’s Gazelles and Southern Ground Hornbills) is dated and with a puny Giraffe Barn that is probably illegal in most European nations. Combining the giraffe/bontebok/rhino areas into one large savanna would be the way to go in the future and at one point that was in the zoo's Master Plan. There are some smaller animals here that are well worth a look. Naked Mole Rats have an exhibit in a tiny room, there’s a large Egyptian Tortoise/Baja Blue Rock Lizard desert-themed terrarium, and a Savanna Aviary with these 6 species: Spur-winged Lapwing, Red-billed Hornbill, Taveta Golden Weaver, Crested Coua, Tambourine Dove and Philippine Sail-finned Lizard. An old-fashioned but well-furnished cage for Red-tailed Monkeys is a highlight for many visitors.

Rhino Ridge (old Common Hippo exhibit):

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Bontebok exhibit:

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Giraffe yard:

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After Predators and Savanna, the last part of Africa is the Rainforest zone. A humid building contains a spectacular exhibit for Slender-snouted Crocodiles, although I only saw the one specimen during my visit. The enclosure is really nicely done, complete with a spacious underwater viewing area. This building also contains exhibits for African Burrowing Frogs, Red-bellied Piranhas (lazy zoo geography there), Red-footed Tortoises (ditto), African Plated Lizards and a Lungfish. Visitors walk outside and immediately into an aviary with the following 7 species: Greater Flamingo, Lesser Flamingo, Hadada Ibis, Waldrapp Ibis, Gadwall, White-faced Whistling Duck and Fulvous Whistling Duck. The zoo has a THIRD otter species farther along, in the shape of Spotted-necked Otters. There’s a pair in an expansive exhibit that used to house Allen’s Swamp Monkeys and Colobus Monkeys together and the otters honestly seem wasted in there with all the climbing logs and upper canopy that will now go unused. The zoo even removed the netted roof to the exhibit and so it seems that the otters are there to stay.

Slender-snouted Crocodile exhibit:

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Spotted-necked Otter exhibit:

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The final exhibit in Africa is a genuine highlight of the zoo. It is a spacious, oval-shaped exhibit for three bat species and there are always loads of them flying around inside. Imagine a doughnut cut in half and this exhibit would represent one half of the tasty treat. Rodriguez Flying Fox, Straw-coloured Fruit Bat and Egyptian Fruit Bat are the species to be found here. Overall, Africa is a strong part of Oregon Zoo and there’s a diverse range of creatures ranging from Predators to the Savanna to the Rainforest. It’s annoying to see the addition of lemurs and piranhas and other geographical errors, as that’s just laziness on the zoo’s part, but this area is mainly a positive experience. There is a grand total of 52 species across several ecosystems.

Bat exhibit (with fake green 'leaves' added in recent years):

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The 6th and final section of the zoo is called Discovery Zone, a rather nebulous title for a small area. There’s an old, half-overgrown grotto for a female Amur Tiger that needs to eventually be removed as it is an eyesore. A Red Panda takes up residence in an exhibit that held Amur Leopards for many years. This area is where parents can find a tiny carousel and the zoo’s train, as well as the 2017 addition of a $17 million Education Center. This is a series of classrooms and rooms with a focus on both conservation and education via large, colourful graphics and an outdoor garden. There’s also an Insect Zoo, which is always welcome for zoo nerds, but unfortunately it contains common animals and is only a small room off to the side. Here are the 19 species located there: Black Beauty Stick Insect, Giant Malayan Stick Insect, Giant Thorny Walking Stick, Australian Walking Stick, Assassin Bug, Yellow-bellied Flower Beetle, Darkling Beetle, Blue Death-feigning Beetle, Madagascar Hissing Cockroach, Domino Roach, Sapphire Pink-toe Tarantula, Chilean Rose-hair Tarantula, Red-knee Tarantula, Curly-hair Tarantula, Emperor Scorpion, Giant Hairy Scorpion, Tanzanian Giant Tailless Whipscorpion, Sonoran Desert Centipede and African Giant Millipede.

Amur Tiger exhibit:

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Insect Zoo (one small room):

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Going through my review, I count exactly 110 species on-show at Oregon Zoo. For a major zoo with 1.7 million annual visitors, that doesn’t seem an awful lot. There will be a handful more via the Kelp Forest tank in Pacific Shores, but certainly there’s been a big decline over the years. I suppose that Oregon is a representation of modern zoos in general. Elephant Lands is 6 acres of the zoo for a single species, and the construction of Polar Passage saw the disappearance of Sun Bears, Visayan Warty Pigs and Babirusa from the collection. Rhino Ridge saw Common Hippos depart. The addition of Spotted-necked Otters saw two primate species leave. The overhaul of the Primate Forest complex has left the zoo with three species and gone are Mandrills, assorted Tamarins, Northern Tree Shrews and the entire Amazon Flooded Forest complex that held species such as Ocelot, White-faced Saki, Pygmy Marmoset, Green Anaconda, Agouti, and quite a few turtles and fish.

Oregon Zoo should be commended for completing its 2008 bond that resulted in $125 million in improvements. With approximately 40% of the zoo overhauled, there were 8 major projects that have now all been finished. Penguin filtration upgrade (2011), Veterinary Medical Center (2012), Condors of the Columbia Aviary (2014), Elephant Lands (2015), Education Center (2017), Rhino Ridge (2021), Primate Forest (2021) and Polar Passage (2021). What’s next? Certainly, the Penguinarium and Amur Tiger grotto are the two obvious areas that are badly outdated and could really be bulldozed at any point in time. After that, parts of the African zone should be renovated, and a large Savanna would be ideal instead of smaller satellite yards.

Oregon Zoo is a bit of an enigma. There’s been a tremendous amount of construction during the past 15 years, and a huge turnover in staff, and for sure it’s a solid ABC zoo. My big complaint would be that the Great Northwest zone is still the best thing there in terms of the quality and immersive feel of the animal habitats. It’s not a surprise that Oregon failed to make the cut in the thread ‘America’s 50 Must See Zoos’ or have anything in the ‘America’s 100 Must See Exhibits’ because most of the new stuff at Oregon Zoo has a cookie-cutter, generic feel to it. The Insect Zoo is the smallest room out of the 10 or so in the whole Education Center complex, smaller than even the classrooms. Why not make it double the size and actually incorporate some interesting exhibits and graphics? The Polar Bear area is a mish-mash of styles and is okay for the bears but really isn’t large enough if one looks to the long-term. Rhino Ridge is a bust and will likely be overhauled if an African Savanna gets the greenlight. The Chimpanzees benefited the most, but even their new outdoor enclosure is very utilitarian with its steel beams and ladders. Oregon Zoo was an enjoyable 4 hours for me, and I hate to be too critical, but it does feel a little bit watered-down these days and has gone the way of Woodland Park in Seattle. I’m guessing that the average Muggle will walk around Oregon and see the elephants, bears, rhinos and plethora of ice cream stands and be enthralled, but from a veteran zoo nerd’s perspective it’s definitely lost some of its mojo. Good zoo? Yes! Great zoo? No way.
Thought I'd put in a quick update here since I saw it was up for debate whether the species list in the Vollum Aviary was accurate, I visited today and from what i saw, it's pretty accurate. In fact I actually saw and snapped a few photos of the Allen's Gallinule which I saw was mentioned as being pretty much invisible (posted in the Oregon Zoo media area) I'm not sure how much it helps but when I saw it, it was very high up on a branch in the center of the Aviary. Perhaps I just got lucky, but it was definitely a cool sighting
 
Not much to update that I can publicly share however one correction I should make is I think earlier I mentioned the Pacific Coral Reef (PCR) gallery would close entirely when the Ocean Pavilion opens. That's not the case, only the "Ocean Oddities" section (where things like Flamboyant Cuttlefish, Spotted Lagoon Jellies, Seahorses, etc are displayed) will be closed down once the Ocean Pavilion opens. The main PCR area will still be open for a bit longer.
The reason Ocean Oddities is closing first is 1) Almost all of the species are moving over to the Ocean Pavilion such as the Flamboyants and Jellies. The Seahorses I'm actually not sure about since the species we currently display is Hippocampus erectus which come from the Caribbean and Atlantic, not the Indo-Pacific so I'm not sure on whether we'll use them as a "place holder" species for one's that do live in the Indo-Pacific, or if we'll be getting an actual species from that region.
& 2) The plan is to completely renovate the area to make way for the new touchpool area right after the Ocean Pavilion opens that without spoiling too much, is going to be insanely awesome and arguably an upgrade from what we already have. They're moving over there to the end of the building / pier so that a giant window will be installed that looks directly out onto Elliot Bay.

And lastly, here are some construction pictures that are viewable by the public. The cranes are taken down, the staircase on both sides of the building and the elevator are going up, and the front entrance is also starting to take shape. Progress is moving fast!
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