| accipiter gularis | No | species | eukaryota | vertebrates | species | 258530 | click here |
| accipiter nisus | No | species | eukaryota | vertebrates | species | 211598 | click here |
| acridotheres | No | | | vertebrates | genus | 245037 | click here |
| acridotheres cristatellus | No | species | eukaryota | vertebrates | species | 451382 | click here |
| acridotheres tristis | No | species | eukaryota | vertebrates | species | 279927 | click here |
| acrocephalus dumetorum | No | species | eukaryota | vertebrates | species | 68474 | click here |
| agelaius phoeniceus | No | species | eukaryota | vertebrates | species | 39638 | click here |
| agelaius tricolor | No | species | eukaryota | vertebrates | species | 9191 | click here |
| aix galericulata | No | species | eukaryota | vertebrates | species | 8832 | click here |
| aix sponsa | No | species | eukaryota | vertebrates | species | 8833 | click here |
| alcedo cristata | No | species | eukaryota | vertebrates | species | 85095 | click here |
| alectoris chukar | No | species | eukaryota | vertebrates | species | 9078 | click here |
| alectoris chukar | Yes | species | eukaryota | vertebrates | species | 9078 | click here |
| alectoris graeca | No | species | eukaryota | vertebrates | species | 40178 | click here |
| alectoris rufa | No | species | eukaryota | vertebrates | species | 9079 | click here |
| amaurornis phoenicurus | No | species | eukaryota | vertebrates | species | 261959 | click here |
| amazona aestiva | No | species | eukaryota | vertebrates | species | 12930 | click here |
| amazona amazonica | No | species | eukaryota | vertebrates | species | 151758 | click here |
| amazona ochrocephala | No | species | eukaryota | vertebrates | species | 151761 | click here |
| amazona ochrocephala auropalliata | No | subspecies | eukaryota | vertebrates | subspecies | 151762 | click here |
| amazona oratrix | No | species | eukaryota | vertebrates | species | 152276 | click here |
| amazona vinacea | No | species | eukaryota | vertebrates | species | 244084 | click here |
| anas | No | | | vertebrates | genus | 8835 | click here |
| anas | Yes | | | vertebrates | genus | 8835 | click here |
| anas acuta | No | species | eukaryota | vertebrates | species | 28680 | click here |
| anas carolinensis | No | species | eukaryota | vertebrates | species | 75836 | click here |
| anas clypeata | No | species | eukaryota | vertebrates | species | 75838 | click here |
| anas crecca | No | species | eukaryota | vertebrates | species | 75839 | click here |
| anas cyanoptera | No | species | eukaryota | vertebrates | species | 75840 | click here |
| anas discors | No | species | eukaryota | vertebrates | species | 75842 | click here |
| anas erythrorhyncha | No | species | eukaryota | vertebrates | species | 75843 | click here |
| anas formosa | No | species | eukaryota | vertebrates | species | 56278 | click here |
| anas fulvigula | No | species | eukaryota | vertebrates | species | 75846 | click here |
| anas melleri | No | species | eukaryota | vertebrates | species | 75852 | click here |
| anas platyrhynchos | No | species | eukaryota | vertebrates | species | 8839 | click here |
| anas platyrhynchos | Yes | species | eukaryota | vertebrates | species | 8839 | click here |
| anas platyrhynchos x cairina moschata | No | no rank | eukaryota | vertebrates | species | 8841 | click here |
| anas poecilorhyncha | No | species | eukaryota | vertebrates | species | 75854 | click here |
| anas querquedula | No | species | eukaryota | vertebrates | species | 75856 | click here |
| anas rubripes | No | species | eukaryota | vertebrates | species | 75857 | click here |
| anas sp. | No | no rank | eukaryota | vertebrates | species | 42806 | click here |
| anas superciliosa | No | species | eukaryota | vertebrates | species | 45632 | click here |
| anas zonorhyncha | No | species | eukaryota | vertebrates | species | 75864 | click here |
| anatidae | No | | | vertebrates | family | 8830 | click here |
| anatidae | Yes | | | vertebrates | family | 8830 | click here |
| anhinga | No | | | vertebrates | genus | 9212 | click here |
| anodorhynchus leari | No | species | eukaryota | vertebrates | species | 178882 | click here |
| anser | No | | | vertebrates | genus | 8842 | click here |
| anser albifrons | No | species | eukaryota | vertebrates | species | 50365 | click here |
| anser anser | No | species | eukaryota | vertebrates | species | 8843 | click here |
| anser anser domesticus | No | subspecies | eukaryota | vertebrates | subspecies | 8848 | click here |
| anser canagica | No | species | eukaryota | vertebrates | species | 107021 | click here |
| anser cygnoides | No | species | eukaryota | vertebrates | species | 8845 | click here |
| anser cygnoides domesticus | No | subspecies | eukaryota | vertebrates | subspecies | 381198 | click here |
| anser fabalis | No | species | eukaryota | vertebrates | species | 132587 | click here |
| anser indicus | No | species | eukaryota | vertebrates | species | 8846 | click here |
| anser sp. | No | no rank | eukaryota | vertebrates | species | 8847 | click here |
| anser sp. | Yes | no rank | eukaryota | vertebrates | species | 8847 | click here |
| anseriformes | No | | | vertebrates | order | 8826 | click here |
| anthropoides virgo | No | species | eukaryota | vertebrates | species | 9111 | click here |
| antigone antigone | No | species | | | species | 2717063 | click here |
| aquila chrysaetos | No | species | eukaryota | vertebrates | species | 8962 | click here |
| ara macao | No | species | eukaryota | vertebrates | species | 176014 | click here |
| ardea alba | No | species | eukaryota | vertebrates | species | 110620 | click here |
| ardea cinerea | No | species | eukaryota | vertebrates | species | 30390 | click here |
| ardeidae | No | | | vertebrates | family | 8899 | click here |
| arenaria interpres | No | species | eukaryota | vertebrates | species | 54971 | click here |
| asio otus | No | species | eukaryota | vertebrates | species | 111810 | click here |
| athene noctua | No | species | eukaryota | vertebrates | species | 126797 | click here |
| aves | No | | | vertebrates | class | 8782 | click here |
| aves | Yes | | | vertebrates | class | 8782 | click here |
| aythya americana | No | species | eukaryota | vertebrates | species | 30385 | click here |
| aythya ferina | No | species | eukaryota | vertebrates | species | 219593 | click here |
| blarina brevicauda | No | species | eukaryota | mammals | species | 9387 | click here |
| botaurus stellaris | No | species | eukaryota | vertebrates | species | 188376 | click here |
| branta bernicla | No | species | eukaryota | vertebrates | species | 184712 | click here |
| branta canadensis | No | species | eukaryota | vertebrates | species | 8853 | click here |
| bubo virginianus | No | species | eukaryota | vertebrates | species | 56268 | click here |
| bubulcus ibis | No | species | eukaryota | vertebrates | species | 110668 | click here |
| bucorvus leadbeateri | No | species | eukaryota | vertebrates | species | 155086 | click here |
| bucorvus leadbeateri | Yes | species | eukaryota | vertebrates | species | 155086 | click here |
| buteo buteo | No | species | eukaryota | vertebrates | species | 30397 | click here |
| buteo buteo vulpinus | No | subspecies | eukaryota | vertebrates | subspecies | 115228 | click here |
| buteo jamaicensis | No | species | eukaryota | vertebrates | species | 56263 | click here |
| buteo lagopus | No | species | eukaryota | vertebrates | species | 115229 | click here |
| buteo lagopus lagopus | No | subspecies | eukaryota | vertebrates | subspecies | 116580 | click here |
| buteo lagopus pallidus | No | subspecies | eukaryota | vertebrates | subspecies | 116582 | click here |
| buteo rufinus | No | species | eukaryota | vertebrates | species | 115134 | click here |
| buteo rufinus rufinus | No | subspecies | eukaryota | vertebrates | subspecies | 116585 | click here |
| cacatua galerita | No | species | eukaryota | vertebrates | species | 141274 | click here |
| cacatua moluccensis | No | species | eukaryota | vertebrates | species | 136504 | click here |
| cacatuidae | No | | | vertebrates | family | 35549 | click here |
| cairina moschata | No | species | eukaryota | vertebrates | species | 8855 | click here |
| calidris alba | No | species | eukaryota | vertebrates | species | 279936 | click here |
| calidris alpina | No | species | eukaryota | vertebrates | species | 8919 | click here |
| calidris canutus | No | species | eukaryota | vertebrates | species | 227173 | click here |
| calidris minutilla | No | species | eukaryota | vertebrates | species | 279935 | click here |
| calidris pusilla | No | species | eukaryota | vertebrates | species | 279961 | click here |
| calidris ruficollis | No | species | eukaryota | vertebrates | species | 272047 | click here |
| calonectris borealis | No | species | | | species | 1323832 | click here |