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Western Hemisphere

Top subregions

Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Colombia
1372
2984
2 Ecuador
1135
1456
3 Brazil
1022
1864
4 Peru
969
837
5 Mexico
800
3453
6 Costa Rica
720
3316
7 Argentina
685
1510
8 United States
682
174,919
9 Panama
682
1196
10 Venezuela
586
868
11 Guatemala
495
556
12 Belize
404
755
13 Bolivia
400
160
14 Nicaragua
362
409
15 Honduras
340
270
16 Chile
315
1694
17 Guyana
311
108
18 El Salvador
281
227
19 Canada
264
25,742
20 Uruguay
234
161
21 Paraguay
232
33
22 Trinidad and Tobago
202
67
23 Cuba
189
270
24 Dominican Republic
164
225
25 Puerto Rico
141
650
26 Suriname
135
9
27 French Guiana
130
19
28 Jamaica
114
139
29 Bahamas
106
65
30 Cayman Islands
105
65
31 Caribbean Netherlands
81
35
32 Guadeloupe
80
92
33 Curaçao
73
27
34 Saint Lucia
69
58
35 Bermuda
62
78
36 Virgin Islands (U.S.)
61
51
37 Aruba
61
65
38 Falkland Islands (Malvinas)
54
51
39 Barbados
52
34
40 Dominica
48
14
41 Anguilla
48
14
42 Martinique
45
43
43 Grenada
45
14
44 Saint Martin (French part)
38
5
45 Saint Kitts and Nevis
34
12
46 Turks and Caicos Islands
32
7
47 Antarctica
30
638
48 Antigua and Barbuda
27
2
49 Saint Vincent and the Grenadines
26
14
50 Sint Maarten
25
4
51 South Georgia and South Sandwich Islands
21
10
52 Saint Pierre and Miquelon
21
4
53 Virgin Islands (British)
17
8
54 Greenland
14
2
55 United States Minor Outlying Islands
12
5
56 Saint Barthélemy
12
1
57 Montserrat
8
1
58 Haiti
5
2
59 Clipperton Island
0
0