Table 5.
Summary of the number of native species (% of total number of species of taxonomic group in Sonora in parentheses) in different taxonomic groups found in the ecoregions of Sonora, Mexico (see text for description of the ecoregion types).
| Western mainland deserts | High northeastern valleys | Eastern mountains | Subtropical lowlands and foothills | Marine | Island | |
|---|---|---|---|---|---|---|
| Amphibia | 18 (50) | 14 (39) | 21 (58) | 22 (61) | 0 (0) | 2 (6) |
| Anura | 17 (52) | 13 (39) | 19 (58) | 22 (67) | 0 (0) | 2 (6) |
| Caudata | 1 (33) | 1 (33) | 2 (67) | 0 (0) | 0 (0) | 0 (0) |
| Reptilia | 76 (48) | 40 (31) | 83 (53) | 61 (39) | 7 (4) | 29 (18) |
| Crocodylia | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 1 (100) | 0 (0) |
| Squamata | 70 (50) | 38 (27) | 76 (54) | 54 (39) | 1 (0.07) | 28 (20) |
| Lacertilia | 32 (48) | 17 (26) | 31 (47) | 16 (24) | 0 (0) | 15 (23) |
| Serpentes | 38 (51) | 21 (28) | 45 (61) | 38 (51) | 1 (1) | 13 (18) |
| Testudines | 6 (40) | 2 (13) | 7 (44) | 7 (44) | 5 (31) | 1 (6) |
| Total | 94 (49) | 54 (28) | 104 (54) | 83 (43) | 7 (4) | 30 (16) |