Honolulu Zoo Review of Honolulu Zoo – December 2023

WhistlingKite24

Well-Known Member
10+ year member
Part 1 – Entrance Pond and Aviaries

In December of last year, I spent a week in Honolulu on my first international trip outside of Australia. I unfortunately spent a large chunk of my holiday sick and admittedly downtown Honolulu is not exactly a huge wildlife hotspot but I did spend a very pleasant day at the zoo near Waikiki Beach. The zoo is located in a very convenient site within the Kapiʻolani Regional Park with a large open green space with views out towards the ocean’s horizons and hordes of sun-baked tourists among a sea of umbrellas. In the hours before the zoo opened, I spent it searching for birds and also took advantage of the clear water to look for reef fish along the park. Endemic Saddled Wrasses, and Moorish Idols were very easy to see from the rocky barriers in the crystal-clear water. I further picked up some fascinating introduced species with two male White-rumped Shamas, Yellow-fronted Canaries, Common Waxbills, Rose-ringed Parakeets and lots of Red-crested Cardinals around the zoo’s entrance while I waited for the zoo to open in the growing line. The zoo opened at 10:00am and was $21 USD ($31 AUD) which I thought was a reasonable price for a largish zoo. I was of course particularly excited to see many species of animals that aren’t currently found in Australian zoos. Upon paying, I unfortunately saw that during my visit the African Penguins and African aviary were going to be closed. Darn! I wanted turacos! Two important areas I wanted to see but however all this quickly disappeared as I could already hear the first species as I paid my entrance and wandered into the ageing front of the zoo. The zoo starts with a waterbird display that was sectioned off into two halves; on the far side were excitingly my first American Flamingos mixed with African Sacred Ibis. Flamingos are of course staple zoo birds traditionally but the last flamingo in Australia died in 2018 and will not be replaced for the foreseeable due to strict import restrictions especially with birds. The small flock were absolutely enchanting. Eye-catching wonders. The other half of this display was for a real mishmash of waterfowl with a feature pair of Black Swan with a range of smaller species; Mandarin Duck, a striking male Northern Pintail, Ringed Teal, Rosy-billed Pochard and a few out-of-place domestic ducks as well. Really nice to see some South American ducks especially and Ringed Teal were my favourite of the lot. This initial duck pond is slated to become a wetlands aviary for Hawaiian birds with an enclosed boardwalk – the local coot, moorhen, stilt and the two duck species – which is planned to commence a local biome project to have an entrance space for Hawaiian species. The phase after this development – tropical islands with a mountain forest and dry forest/grassland aviary – has apparently been postponed and are still conceptual. According to a public document I found funding was secured in 2020 for the wetlands aviary but it’s not clear when it will (or if it will even) commence.

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American Flamingo

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Flamingo enclosure

The buzz continued with two similarly sized aviaries next to each that were opposite the swans. The first contained Linne’s Two-toed Sloth which I was able to admire for the first time. I’d never seen sloths, but while clearly an old exhibit, it seemed to be a decent size for the single individual with a good three-dimensional space for climbing however it was resting in an ugly pet pack. First-hand I was able to see the pull sloths have on visitors with a growing crowd surrounding the exhibit with the same eagerness as I had. The sloth was mixed with three bird species; a single Grey-winged Trumpeter added character, noise and movement to the forest floor while a Blue-crowned Motmot left a lasting impression with its brilliance and elegance. They were bigger than I was expecting! There was also a random Red-whiskered Bulbul as well. Next was an identical aviary for two Linne’s Two-toed Sloths – they were siblings – a product of the zoo’s good breeding record. Their breeding male is a wild-born founder from Guyana and fortunately has sired several young with some moving to the mainland. This time the sloths were mixed with a pair of Golden Lion Tamarins which showcased to me the versatility of how sloths can be exhibited with a range of species. I returned later for the sloth talk and enjoyed seeing these sloths being fed as they hung from their rear legs as the keeper fed them.

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Sloth/motmot enclosure

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Blue-crowned Motmot

Continuing the long row of aviaries, the lifers came in quick succession. The zoo’s crown jewels with their three species of birds-of-paradise were up next with an odd mix of Green Iguana and my first Victoria Crowned Pigeon first. Big, dramatic and engaging birds. The perfect zoo bird. Considering Australia’s close proximity to New Guinea, it’s a shame our zoos cannot access these birds which were historically present. I have been fortunate to see one bird-of-paradise species in the wild as I have the local one in south-east Queensland – the Paradise Riflebird – in a few rainforest fragments. But the ones at Honolulu were completely unfamiliar to me with three different spaces for Ragianna Bird-of-Paradise with two orange-tailed males and a female in between, watching them both intently. Introductions were underway seemingly. There was also a single male for both the curly-tailed Magnificent Bird-of-Paradise who had his bottle green throat feathers fanned out in full and Superb Bird-of-Paradise. The latter did a little display fanning out its feathers and I caught glimpses of deep iridescence. There were also two aviaries for another incredible New Guinean species being the charismatic Green-naped Pheasant-Pigeon. All very simple but well-planted aviaries but I was awestruck by their inhabitants.

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Magnificent Bird-of-Paradise

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Ragianna Bird-of-Paradise aviary

There was a lot of construction occurring involving several of the subsequent aviaries and some exhibits were empty. Some species were off-show like the barn owl while I further couldn’t seem to find all of the parrots the zoo lists on the website. That’s important to consider as all of the smaller aviaries sort of blurred into one mass of new species and the exact species line-up is a bit foggy now. Anyway, the next row of aviaries I came across started with a tall aviary for a pair of stunning Wrinkled Hornbills that were feeding at eye-level. One of three hornbills at the zoo and all of them were of course new to me. The quiet aviary row continued tucked in a small edge of the zoo as they often are. I enjoyed seeing Grey-capped Emerald Doves which look very different to the brown-capped variety on mainland Australia and White-throated Ground-Doves from the Northern Mariana Islands with a pair inhabiting a separate aviary. Then were the familiar Tawny Frogmouth mixed with Luzon Bleeding-heart Dove and Palawan Peacock-Pheasant. I breezed past Laughing Kookaburras in a cramped exhibit that neighboured a wonderful little mix of Roul-Roul Partridge which are just delightful with a pair of Black-naped Fruit-Doves feeding. The final aviary had some pet-shop Peaceface Lovebirds with a chunky little Red-billed Leiothrix and unseen Eastern Rosella.

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Wrinkled Hornbill

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Black-naped Fruit-Dove

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Aviary row

A bit further on was a very exciting enclosure. It was an open-topped weedy yard for several Nēnē. A small goose with attractive striping on its neck and blackish face and feet. A species with an epic story of course and thanks to captive breeding and management its numbers have recovered. The next row of aviaries had a few island endemics among some Asian species. There were Great Argus in two aviaries with more Grey-headed Emerald Dove and the wonderful Golden White-eye in one, and Pied Imperial-Pigeon and the eye-popping Asian Fairy Bluebird in the other. The male fairy bluebirds reminded me of a Regent Bowerbird that had its yellow replaced with blue. The female was the nicest shade of muted blue as well. Continuing past Nicobar Pigeons, there was another aviary with more active Golden White-eye sharing the exhibit with a single Mariana Fruit-Dove and a Pacific Golden-Plover. There were more Luzon Bleeding-heart Doves neighbouring a pair of incredible White-crowned Laughingthrushes. There were two more aviaries with one housing Palawan Peacock-Pheasant exclusively and a final exhibit with surplus birds including yet more Palawan Peacock-Pheasant, White-throated Ground-Dove, Asian Fairy Bluebird and Golden White-eye. It was a treat to see so many of these unique and unmistakeable white-eyes. I didn’t even know they were on-show at the zoo so it was a surprise.

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Nēnē

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Golden White-eye

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Mariana Fruit-Dove

The final row of four aviaries is more towards the entrance and are larger spaces for their occupants, containing a few neotropical species with an assortment of waterfowl. There was a uncomfortably small aviary for a single King Vulture. Then there was the main waterfowl display with Laysan Teal, Hawaiian Stilt, Brown Booby and the pink twins – Roseate Spoonbill and Scarlet Ibis. A flock ofCrested Oropendolas were a nice touch in the trees above as a great point of difference. More teal was next door with Rosy-billed Pochard, Northern Pintail, Sun Conure and unseen Wrinkled Hornbill. No Hawaiian Ducks as far as I could tell but I might have simply missed them. Finally, there was a hyperactive Toco Toucan that was magnificent to see. Overall, most of the aviaries were a simple affair with a good amount of vegetation but generally some really lacked space for their occupants despite the many wonderous species they contained.

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Waterbird aviaries

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Brown Booby
 
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Thanks for sharing! Given its location, Honolulu Zoo doesn't get much attention on here, and I for one never knew they had such an impressive bird collection! I'll be looking forward to the remainder of your review.
 
Thanks very much for the wonderful photos and great review of the aviaries of Honolulu Zoo. I've only ever been to the Honolulu airport (twice) and I've never had the pleasure of exploring Hawaii.

It's interesting to see all those big apartment complexes looking down on the zoo in your photo of the Flamingo exhibit.
 
Really glad you got an opportunity to visit an American zoo @WhistlingKite24! And on your first international trip no less. The review is very interesting to read so far - Hawaii is so far from a lot of the US that even many American forum members have never been out there, and I don't think we have any regulars here from Hawaii? So a report from this zoo is very welcome :)

One thing that really struck me reading your first post is how many species were lifers for you. Even though I'm guessing that statistic will decline in later posts (since Australia does have many of the common zoo mammals), it'd be cool at some point to see a percentage on how much of Honolulu Zoo's collection was new for you?

Upon paying, I unfortunately saw that during my visit the African Penguins and African aviary were going to be closed. Darn! I wanted turacos!

Dang, that is a shame. I'm a fan of turacos myself, they are very active - making them a sight to see when combined with their beautiful plumage.

If you do ever make it out to the mainland US (California, maybe? ;)) turacos and African penguins are a dime a dozen here, so shouldn't be too hard to get that experience back. I wouldn't be surprised if San Diego Zoo is on your bucket list for example, and they have both African penguins and a few turaco species - not to mention two very well-stocked African aviaries!
 
Really glad you got an opportunity to visit an American zoo @WhistlingKite24! And on your first international trip no less. The review is very interesting to read so far - Hawaii is so far from a lot of the US that even many American forum members have never been out there, and I don't think we have any regulars here from Hawaii? So a report from this zoo is very welcome :)

One thing that really struck me reading your first post is how many species were lifers for you. Even though I'm guessing that statistic will decline in later posts (since Australia does have many of the common zoo mammals), it'd be cool at some point to see a percentage on how much of Honolulu Zoo's collection was new for you?
Wait till I get to the herptiles in their ectotherm complex. Even Leopard Geckos were new to me.:p I will definitely do a percentage at the end.
If you do ever make it out to the mainland US (California, maybe? ;)) turacos and African penguins are a dime a dozen here, so shouldn't be too hard to get that experience back. I wouldn't be surprised if San Diego Zoo is on your bucket list for example, and they have both African penguins and a few turaco species - not to mention two very well-stocked African aviaries!
Fortunately the African Penguins were still viewable from a distance at least. California is definitely on the list as it's a direct flight from Brisbane so that is my gateway to the states. Good birding opportunities as well. Singapore though is a more achievable destination in the short term for lots of turacos.
 
Part 2: Ectotherm Complex

Opened in 2017 with a total cost of $3 million, the zoo’s hub for amphibians, reptiles and invertebrates – the Ectotherm Complex - was a large, interspersed and predominately outdoor grouping of tanks, outdoor aviary-style exhibits and open paddocks. I loved this organic idea of organising exhibits into small buildings peppered with small little yards throughout for tortoises etc, contrasting the more rigid nature of a box-like reptile house. It was a concept I thought that could be replicated very well in the Australian climate, relying off natural light with mainly glass-fronted meshed exhibits for the larger reptiles especially while having flexible inexpensive tank displays for smaller species. Unfortunately, one downfall of the area is that the glare was horrific in some parts and viewing was near impossible for some exhibits, but overall, I always thoroughly enjoy a good display for cold-blooded critters. It's important to note that the zoo works with biosecurity and many of the species here were predominately represented by animal confiscations or even from Hawaii’s many introduced populations. Who would have thought there are dart frogs hopping around the upland forest of Oahu!? I started the area backwards near the bridge that have two large sandy exhibits for at least three Gharials with a rocky barrier. Incredibly impressive creatures to watch and they were mixed with several species of unsigned turtles in the algae-rich murky water including a large Pig-nosed Turtle, lots of Red-eared Sliders and some massive turtles that were confirmed as Northern River Terrapins with upturned nostrils and several Yellow-spotted Amazon River Turtles. There was a large grassy yard or two for Aldabra Giant Tortoises and Galapagos Tortoises. A significant portion of Australasia’s Galapagos tortoises stem from Honolulu historically so it was neat to stand in front of potential founders and relatives of the local population. Their exhibit was an alright size with some great views across towards the ever-present skyline of apartments.

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Gharial

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Giant tortoise enclosure

There was a recently converted aviary-style exhibit to house their newest species – a Fijian Banded Iguana - in the full sun all year round that up until recently had arid-loving reptiles. I can’t even think of any Australian zoos currently that have their Fijian Iguanas outdoors even in the tropical/subtropical areas so this was a novel experience for me to spot the iguana among the trees. The zoo hope to acquire more individuals to start breeding them to support the SSP and establish a strong link with this island species, which is a pleasing focus. A really enjoyable display to see the light catch the striking colours of the iguana in the full sun. There was a small nook with a mix of my first Red-footed Tortoise and the more familiar Elongated Tortoise. I really like Red-foots; it's a shame Australia doesn’t have a staple small South American tortoise. It would fill our countless callitrichid displays here. I must mention that Honolulu is a hub of tortoises and I saw almost a dozen species.

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Fijian Banded Iguana enclosure

The most exciting area personally were two large buildings with two coldwater tanks in each for rare Japanese Giant Salamanders. Visitors could enter each mini-building that was framed with some nice giant salamander curtains to reduce glare and improve the viewing experience. The zoo has three young giant salamanders currently – two females, Panda and Maru, and a male, Peace. Their giant salamanders were part of a gift exchange with Asa Zoo in Hiroshima, Japan, where they have been successfully bred in captivity. The salamanders have laid eggs at Honolulu but no successful breeding thus far. It took several attempts of both areas to finally see my first proper Japanese Giant Salamander with female Maru emerging from her shelter. It was thrilling to be able to discern a large lumpy salamander head from a rock. There was a small glass-fronted display nearby for a mishmash of species including Eastern Bluetongue Lizard, Indian Star Tortoise, the incredible Pancake Tortoise and two African lizards being Sudan Plated Lizard and a unique Giant Girdled Lizard. Oddly both additional Australian species – the Shingleback and Central Bearded Dragon – were hiding, finishing off this quirky mix.

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Japanese Salamander


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Japanese Salamander exhibits

There was a small exhibit with unseen Smokey Jungle Frog mixed with African Giant Snails that were numerous. Next door was a lush glass-fronted display for one of Hawaii’s two endemic butterfly species; the Kamehameha. So often butterflies are thrown into a polytunnel for members of the public to cram into for close interactions with butterflies but I though it was a powerful display to showcase a single endemic species with great clarity in a single-species exhibit. Something that could be replicated here with Queensland’s threatened Richmond Birdwing I thought that is being captive bred behind the scenes. It was winter when I visited so I was very fortunate to find a single adult still hanging on. They are a lovely species that are reddish-orange with brown, black, and white markings. There were further strong educational ties with visitors able to take a photo behind the wings of a Kamehameha and a Hawaiian Blue as well. In another section, a keeper was feeding all of the caterpillars that have been bred for the species. The zoo is also working with a Hawaiian tree snail as well but they aren’t on-show. The next brick building had two exhibits for their breeding pair of Crocodile Monitors which are breeding well at Honolulu. They reminded me of a Perentie but with a bulbous snout and more greenish undertones. The monitors had a few ledges which were their preferred sites for basking in the natural light as the top was meshed. Nearby was a mix of unseen Prehensile-tailed Skink, a hyperactive Painted Wood Turtle and more snails. Finally, this row was completed with a stack of recently-renovated amphibian tanks and Pink-winged Stick Insects. Besides unseen Australian Green Tree Frogs and Asian Painted Frogs, there were three species of fun little dart frogs in the form of Dyeing Poison Dart Frog, Green-and-Black Poison Dart Frog and my favourite of the lot, Bumblebee Poison Frog. Always great to watch despite the glare at its worst here.

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General view

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Kamehameha Butterfly exhibit

There are two snakes currently at the zoo which are strictly controlled. The first is a large albino Burmese Python that lives in a lush exhibit next to an Argentine Black-and-white Tegu. There was also a flexible space with a few tanks with an unseen Western Fence Lizard and a young Mata-mata which are also housed in a few ponds around the zoo. No chameleons anywhere which I found surprising. Past a third exhibit for Crocodile Monitor which had a female bred at the zoo in 2019, there were also a set of small exhibits with the zoo’s second snake being a Ball Python, my first ever Leopard Gecko, New Caledonian Giant Gecko and Eastern Bluetongue Lizard. There were two species that frustratingly remained hidden. These were a White-eyed Crocodile Lizard and a Southern Alligator Lizard. Reaching the finally section of the complex was dominated by tortoises with hatchling Leopard and Red-footed Tortoises with adult Elongated Tortoises. There were a few small tanks for a Sudan Plated Lizard, Indian Star Tortoise, Elongated Tortoise and Congo Dwarf Clawed Frog. The tanks were far too small for the tortoises but there was signage clarifying they usually spent most of the day in the outdoor exhibit except during the late afternoon or rainy days.

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Python and tegu enclosures

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Crocodile Monitor

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Tortoise hatchlings exhibit

I was surprised to see a single Ploughshare Tortoise mixed with Radiated Tortoise in a small outdoor yard as I finished the area. She was surprisingly out and about while the Radiated Tortoises were hidden. One keeper exclaimed as she passed that it was a real treat to see her out and roaming around her exhibit. According to a few studbook documents online the zoo has a single female that arrived at the zoo in 1971 and is estimated to have hatched in the 1940s in the wilds of Madagascar. A very special animal to see. Their neighbours were the final exhibit in the area, besides a glass-fronted enclosure for a Komodo Dragon, were for Sulcata Tortoises. Overall, I really enjoyed the entire complex. On a cloudy day without the glare it would make for an excellent viewing experience. The majority of the exhibits were complex and used the natural elements and ideal climate of Honolulu to maximise their display. A lot of work goes into this section at the zoo and there are regular developments and additions, making it an interesting place to stroll around. Having groups of displays in separate clusters further provides enhanced opportunities for clear observation, allowing better traffic control as an added bonus.

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Ploughshare Tortoise
 
Part 2: Ectotherm Complex

Opened in 2017 with a total cost of $3 million, the zoo’s hub for amphibians, reptiles and invertebrates – the Ectotherm Complex - was a large, interspersed and predominately outdoor grouping of tanks, outdoor aviary-style exhibits and open paddocks.
When I read about the cost of some zoo exhibits, $3 million sounds quite reasonable
 
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