Zooniverse is my go-to website when I'm bored. For those interested in it, I suggest focusing on just a few of the animal ID projects, rather than dabbling in all of them; there are many species that appear extremely similar, especially when it's dark/you only have a hind leg/etc., and learning the small differences can be a pain. The "talk" pages are great for learning about the differences between species and getting help identifying things. For established projects, there are quite a few experts that chime in and help out.
NOTE: This especially helpful because every once in a while a project dissapears from the Zooniverse website, despite it still existing. Because of this, a few are likley missing.
Here's all of the animal ones that I know of!! Ones not on your list, I've starred and included the link. Ones that you did mention, I included a description of what the project involves.
(Note: there's two descriptors you'll see a few times:
Currently out of data – The set of images has met the number of IDs needed (most projects require a dozen or so people to work each image). Some will be updated in the future – some are at 10+ separate sets of data – while others were one and done. You are still able to go through and work completed projects, though!
Currently under review - Projects “under review” aren’t fully-fledged projects yet, meaning they don’t have quite all of the info needed, kinks worked out, etc. to make the front page. This also means images are marked “finished!” when they aren’t.)
Amazoncam Tambopata – choose from 64 different IDs. Yeah, this one is really difficult!
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Bat Detective - This one involves audio clips to identify bat calls. This is the only one of these I haven’t worked on at all, because I’m terrified of bats.
Bat Detective
Location: “World tour” format, with each set being from a different country around the world. The current country is Russia.
Camera CATalouge – there’s 59 species IDs, plus human, vehicle, fire, and nothing there. There’s a lot of species but most are fairly easy to tell apart. This one has some really cool images of uncommon species!
Canid Camera – pick from 29 IDs, then how many and if there’s bait present.
Cheetahs of Central Namibia – pick from 52 species. The hoofstock on this one can be confusing, and it can get rather repetitive.
Chicago Wildlife Watch – choose from 29 species, how many are present, and if there’s young.
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Chimp & See – view 9 frames from a clip. If an animal is present, you then watch the short clip and identify species present. Most species are fairly vague, you don’t need too much knowledge for that part (ie large ungulate, small cat… though all the duikers are species-identified). You then choose from 19 possible activities the animal is doing, with a focus on chimp behaviors – tool usage, climbing, in a tree, etc. You also identify how many are present.
Chimps
Location: Across Africa
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Colorado Corridors Project – the goal is to get data to support the building of a wildlife pass over the highway. This one is managed by the Denver Zoo. Choose between 25 species and “nothing here”, then how many you see.
Zooniverse
Location: Interstate 70 at Vail Pass, Colorado
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Condor Watch – this one is set up much fancier than the others. Click on each animal. The click will place a circle that zooms in. Identify the species from 6 options (condor, golden eagle, coyote, turkey vulture, raven, something else). If it is a condor, questions are asked about the tag #, tag color, and how close it is to the carcass. Once you have marked each animal, if you are able to ID any of the condors, it will give you bio info on that condor. Really neat.
Condor Watch
Location: California
Elephant Expedition – choose from just 8 animal IDs (antelope, large cat, other animal, etc.), cannot identify, human, or vegetation.
eMammal – managed by the Smithsonian Conservation Biology Institute and NC Museum of Natural Sciences. Identify from 42 species, then how many are present.
Focus on Wildlife – Cleveland Metroparks – choose from 34 different IDs, including 5 different squirrel species. Then choose how many are present.
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Grouse Grooves – identify if there’s males, females, or none (or both). Then pick how many, what behaviors you see, if the males are displaying, and if there’s male-male aggression.
Zooniverse
Location: Eastern Sierra, California
Identify New Zealand Animals – select from just 13 species options (deer, cat, mustelid, etc), and then mark if you’re confident or unsure.
Interior Least Tern and Piping Plover Predators – identify from 29 species, weather, unknown, and nothing there. The focus is on bird species, which make up 15 of the IDs.
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Manatee Chat – this one involves short sound clips. Identify if there’s manatee calls, manatee chewing sounds, both, or neither.
Zooniverse
Location: Lowry Park Manatee Hospital
Michigan ZoomIN – choose from 38 different IDs, then pick the weather conditions.
Numbat Discovery – identify from 26 species or “nothing”. Being Australian species, I find this one super difficult.
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Orangutan Nest Watch – while looking at drone photos, identify if there’s any orangutan nests and/or fig trees. I found this to be the hardest out of all the animal-related projects.
Zooniverse
Location: Sabah, Borneo
Parasite Safari – identify from 50 species, then how many, how many are drinking, and how many are grazing.
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Penguin Watch - If you want to try something easier than identifying species, this is the one for you. All you do is click on adults, chicks, the occasional egg, and the occasional other species (which you don't have to identify). Adults and chicks are super easy to tell apart and eggs are easy to notice, as well.
https://www.penguinwatch.org/
Location: various spots in Antarctica
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Pieris Project – currently under review. Butterflies! Wings are on a sheet of paper. Draw a line between the two Xs on the ruler, then identify the quality of the wings, draw a line measuring each forewing, put circles over the wing spot on each forewing, and identify if it’s male or female (females have two dots on each instead of one).
https://www.zooniverse.org/projects/pierisproject/pieris-project
Project Plumage – this one involves dead bird specimens. First, you mark the black and white circles; it helps “equalize out any variation in lighting/brightness”. Then you work through drawing shapes around the coverts, the wing primaries/secondaries, and the entire bird’s body. In the past, more parts were included, including the crown, nape, and tail.
Seabirdwatch – put marks over all kittiwakes, guillemots, chicks, and “others”. The two birds are fairly easy to tell apart, the former being white with a gray wing and the latter being black with a white belly.
https://www.zooniverse.org/projects/penguintom79/seabirdwatch
Location: Faroe Islands, Greenland, Ireland, Iceland, Svalbard
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Serengeti Wildebeest Count – currently out of data. Use a marker to identify all wildebeest in drone images taken from far above. I found this one very difficult.
https://www.zooniverse.org/projects/dl-j/serengeti-wildebeest-count
Location: Serengeti
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Snapshots at Sea – currently out of data but will be updated. Identify if an animal is present (yes/no). This project works in stages. Once all images have been gone through for the presence of animals, it is then worked down to what species are visible, if there’s whales, and if there is a fluke visible.
https://www.zooniverse.org/projects/tedcheese/snapshots-at-sea
Location: User submitted images worldwide
Snapshot Grumeti – 63 species options, plus how many are present, what behaviors you see, and if there’s any young. The focus is on wildebeest.
Snapshot Marini - 3 species options, plus how many are present, what behaviors you see, and if there’s any young. The focus is on carnivores but there’s lots of primates. Lots of babies too J
Snapshot Ruaha - 3 species options, plus how many are present, what behaviors you see, and if there’s any young.
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Snapshot Serengeti – currently out of data, will be updated. This is THE big project on zooniverse, with over 700,000 classifications and 35,000 completed images. It spawned all of the other snapshot projects. Pick from 63 species, how many are present, what behaviors are taking place, and if there’s any young. The hoofstock can be a pain to tell apart.
https://www.zooniverse.org/projects/zooniverse/snapshot-serengeti
Location: Serengeti
Snapshot Wisconsin – currently out of data but will be updated. Choose from 43 different species, then how many and if young are present.
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Steller Watch – This project previously had users identify if sea lions were visible. They are now on phase two, identifying if there are letters/symbols visible on any animals or not (to track marked sea lions). This one is hard and requires a lot of zooming. I’ve personally never come across a marked seal. There’s some really neat photos, though!
https://www.zooniverse.org/projects/sweenkl/steller-watch
Location: Aleutian Islands, Alaska
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Toledo Zoo Wild Shots – database hasn’t been updated in a year. Identify animals. IDs are fairly simple – squirrel, rabbit, bird, etc. rather than being super specific. “Unkown” is an option.
https://www.zooniverse.org/projects/wildtoledo/toledo-zoo-wild-shots
Location: Ohio
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Understanding Animal Faces – currently out of data. This one is kind of strange/hard to do. If you can see an animal’s face, identify the points of the eyes, nose, and lips.
https://www.zooniverse.org/projects/pszmhk/understanding-animal-faces
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Utah Wildlife – currently under review. Mark if an animal is present, then choose from 20 species options, including “unidentified”, and how many.
https://www.zooniverse.org/projects/red-butte-canyon/utah-wildlife
Location: Utah
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Weddell Seal Count – currently out of data but will be updating. Put points over adults, pups, and adult/pup combos. Separating the three can be difficult and requires lots of zooming in.
https://www.zooniverse.org/projects/slg0808/weddell-seal-count
Location: island in McMurdo Sound, Antarctica
Western Montana Wildlife – choose from 29 options, with the focus on adult and immature bald eagles and golden eagles
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Western Shield Camera Watch – currently out of data. Identify from 22 species, fire, or nothing.
https://www.zooniverse.org/projects/birgus2/western-shield-camera-watch
Location: Jarrah Forest, Western Australia
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Whales as Individuals - This is one of the easier projects! This is an extension of Snapshots at Sea, and is the end goal of finally identifying flukes to track individual animals. You draw a box around any visible tails, and mark how light/dark the tail is on a 1-5 scale. Then you put points on the tail tips and the center of the V notch.
https://www.zooniverse.org/projects/tedcheese/whales-as-individuals
Location: user-submitted photos worldwide
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WildCam Darién – currently out of data. Goal is to identify jaguars. Choose from one (or more) of 48 species options. Some are very similar looking.
https://www.zooniverse.org/projects/wildcam/wildcam-darien
Location: Panama
Wildcam Gorongosa – 53 ID options.
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Wildebeest Watch – currently under review. All images are taken from Snapshot Serengeti. Right now, the project only involves identifying if you can see the sun/where it is. The ultimate goal will be figuring out what direction animals are moving in by using shadows.
https://www.zooniverse.org/projects/aliburchard/wildebeest-watch
Location: Serengeti
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Wild Wolf Watch – currently out of data. Under review. The project goal is to get an idea of the size of the red wolf population in NC, which is thought to number 20-40 individuals. This one can be a pain because several species, especially bears, like to get REALLY close to the camera.
https://www.zooniverse.org/projects/mlsmax/wild-wolf-watch
Location: eastern North Carolina