USA / Amphibians
# Institutes Logo Country Flag Total AAS
1 Detroit Zoo USA 70 2.8
2 Bronx zoo USA 60 2.31
3 Dallas Zoo USA 54 2.35
4 San Antonio Zoo USA 52 2.26
5 Prospect Park Wildlife Center USA 51 2.32
6 Houston Zoo USA 39 2.6
7 Forth Worth Zoo USA 39 2.6
8 Tennessee Aquarium USA 38 2.53
9 St. Louis Zoological Park USA 34 2.83
10 Newport Aquarium USA 29 2.23
11 Zoo Atlanta USA 28 2.55
12 Louisville Zoo USA 22 2.44
13 National Aquarium USA 22 1.83
14 Staten Island Zoo USA 21 2.1
15 Central Park Wildlife Center USA 19 2.11
16 Phoenix Zoo USA 17 2.43
17 Dallas World Aquarium USA 17 2.13
18 Como Park Zoo and Conservatory USA 16 2
19 Akron Zoo USA 16 2.67
20 Minnesota Zoo USA 15 2.5
21 Arizona-Sonora Desert Museum USA 15 2.5
22 Wildlife World Zoo, Aquarium & Safari Park USA 15 2.14
23 Cameron Park Zoo USA 14 2.33
24 Cincinnati Zoo & Botanical Garden USA 13 2.17
25 Los Angeles Zoo and Botanical Gardens USA 13 2.17
26 Cleveland Metroparks Zoo USA 13 2.17
27 The Maryland Zoo in Baltimore USA 11 2.75
28 Bergen County Zoo USA 11 2.75
29 San Diego Zoo USA 11 1.83
30 New York Aquarium USA 10 2
31 The Toledo Zoo & Aquarium USA 10 2
32 Buffalo Zoo USA 9 2.25
33 The Living Desert zoo & Gardens USA 9 3
34 Aquarium of the Pacific USA 8 2
35 Columbus Zoo and Aquarium USA 8 2
36 Georgia Aquarium USA 8 2
37 Turtle Back Zoo USA 8 2
38 Austin Nature & Science Center USA 6 3
39 Mesker Park Zoo USA 5 1.67
40 Seaworld San Diego USA 4 2
41 Montgomery zoo USA 4 2
42 Smithsonian National Zoological Park USA 3 1.5
43 San Diego Safari Park USA 3 1.5
44 Lowry Park Zoo USA 3 1.5
45 Chattanooga Zoo USA 2 2
46 Santa Ana Zoo USA 2 2
47 Reid Park Zoo USA 2 2
48 Catoctin Wildlife Preserve and Zoo USA 1 1