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Most kept Mammal Species in Zoos

Name the species of mammals which are kept the most in the zoos of the world!
only wild species, not domestic
the systematic rank of the order is given. In some cases, a further rank is given.
source: www.zootierliste.de
The database at zootierliste.de is almost complete. So there may be a few zoos which are not recorded there. Also there are many subspecies of single species. For example the Lion (Panthera leo) has the subspecies of the Southwest african lion (P. leo bleyenbergh) which data is held separately. I counted them numbers all together, although sometimes there may happen doubles in the facilities. This quiz is therefore maybe not a perfect ranking in therms of numbers but it should be roughly correct
Quiz by
Arang
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Last updated: March 3, 2026
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First submittedApril 15, 2020
Times taken601
Average score25.0%
Rating4.80
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Zoos
Order
Species
1162
Artiodactyla (Cervidae)
European fallow deer
963
Carnivora
Meerkat
942
Primates
Ring-tailed lemur
820
Diprotodontia (Marsupialia)
Red-necked wallaby
731
Carnivora
Raccoon
646
Carnivora
Lion
635
Rodents
Capybara
585
Artiodactyla (Camelidae)
Bactrian camel
571
Rodents
Patagonian mara
540
Carnivora
Asian small-clawed otter
Zoos
Order
Species
526
Carnivora
South American coati
516
Artiodactyla (Bovidae)
European mouflon
461
Primates
Common marmoset
448
Carnivora
Tiger
417
Carnivora
Serval
413
Primates
Cotton-top tamarin
408
Artiodactyla (Camelidae)
Dromedary
383
Pilosans
Linneaus's two-toed sloth
379
Carnivora
Cougar
369
Rodents
Black-tailed prairie dog
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8 Comments
+2
Level 85
Aug 24, 2023
Raccoons and Coatis are not Musteloids. They are Procyonids.
+2
Level 47
Feb 1, 2026
This quiz needs an update. ZTL has since the quiz was made been seriously expanded. It now includes zoos worldwide for example.
+2
Level 66
Feb 24, 2026
Done!
+2
Level 64
Feb 28, 2026
Please accept puma.
+1
Level 66
Mar 3, 2026
Fixed
+2
Level 90
Mar 3, 2026
Why not accept 'bactrian'?
+1
Level 66
Mar 3, 2026
Fixed
+3
Level 59
Mar 3, 2026
Could the clue categories go further than just the "Order"? Even if it only listed or specified the "Family" (or something comparable), it would allow quiz takers to make more informed guesses based on how many top carnivores are cats, bears, wolves, weasels etc. without making it too easy. The concept of the quiz itself is intriguing, but such a vague, surface-level category like the "Order" takes away from what would otherwise be an engaging quiz.

Example 1: "Felidae" does not directly give away which big cats but its clearer that several big cats are a primary choice.

Example 2: "Herpestinae" vs. " Mustelidae" distinguishes between mongoose or otters and weasels, but it does not narrow it down completely since the Family name itself is not that familiar to the more casual zoo enthusiast (compared to Felidae), and there are so many species of either group.