| abrornis inornata | Yes | species | eukaryota | vertebrates | species | 56436 | click here |
| accipiter nisus | Yes | species | eukaryota | vertebrates | species | 211598 | click here |
| acrocephalus | Yes | | | vertebrates | genus | 39620 | click here |
| acrocephalus arundinaceus | Yes | species | eukaryota | vertebrates | species | 39621 | click here |
| acrocephalus palustris | Yes | species | eukaryota | vertebrates | species | 68475 | click here |
| acrocephalus schoenobaenus | Yes | species | eukaryota | vertebrates | species | 52609 | click here |
| acrocephalus scirpaceus | Yes | species | eukaryota | vertebrates | species | 48156 | click here |
| actophilornis africanus | Yes | species | eukaryota | vertebrates | species | 118783 | click here |
| aechmophorus occidentalis | Yes | species | eukaryota | vertebrates | species | 57236 | click here |
| aerodramus elaphrus | Yes | species | eukaryota | vertebrates | species | 46476 | click here |
| aerodramus francicus | Yes | species | eukaryota | vertebrates | species | 46477 | click here |
| aerodramus fuciphagus vestitus | Yes | subspecies | eukaryota | vertebrates | subspecies | 46479 | click here |
| aerodramus mearnsi | Yes | species | eukaryota | vertebrates | species | 243318 | click here |
| aerodramus papuensis | Yes | species | eukaryota | vertebrates | species | 326917 | click here |
| aerodramus spodiopygius assimilis | Yes | subspecies | eukaryota | vertebrates | subspecies | 46483 | click here |
| aerodramus spodiopygius spodiopygius | Yes | subspecies | eukaryota | vertebrates | subspecies | 46484 | click here |
| agelaius phoeniceus | Yes | species | eukaryota | vertebrates | species | 39638 | click here |
| ailuroedus crassirostris | Yes | species | eukaryota | vertebrates | species | 34925 | click here |
| alauda arvensis | Yes | species | eukaryota | vertebrates | species | 88112 | click here |
| alca torda | Yes | species | eukaryota | vertebrates | species | 28689 | click here |
| alcedo leucogaster | Yes | species | eukaryota | vertebrates | species | 325337 | click here |
| alcedo quadribrachys | Yes | species | eukaryota | vertebrates | species | 325338 | click here |
| alcippe morrisonia | Yes | species | eukaryota | vertebrates | species | 204791 | click here |
| aleadryas rufinucha | Yes | species | eukaryota | vertebrates | species | 461220 | click here |
| alectura lathami | Yes | species | eukaryota | vertebrates | species | 81907 | click here |
| alethe castanea | Yes | species | eukaryota | vertebrates | species | 228309 | click here |
| alethe diademata | Yes | species | eukaryota | vertebrates | species | 197521 | click here |
| alle alle | Yes | species | eukaryota | vertebrates | species | 28691 | click here |
| alopochen aegyptiacus | Yes | species | eukaryota | vertebrates | species | 30382 | click here |
| alouatta caraya | Yes | species | eukaryota | primates | species | 9502 | click here |
| amandava subflava | Yes | species | eukaryota | vertebrates | species | 187413 | click here |
| amazona albifrons | Yes | species | eukaryota | vertebrates | species | 241569 | click here |
| amblycercus holosericeus | Yes | species | eukaryota | vertebrates | species | 84791 | click here |
| ammodramus nelsoni | Yes | species | eukaryota | vertebrates | species | 380372 | click here |
| anabacerthia variegaticeps | Yes | species | | | species | 586367 | click here |
| anaplectes rubriceps | Yes | species | | | species | 907500 | click here |
| anas acuta | Yes | species | eukaryota | vertebrates | species | 28680 | click here |
| anas bahamensis | Yes | species | eukaryota | vertebrates | species | 75834 | click here |
| anas capensis | Yes | species | eukaryota | vertebrates | species | 8837 | click here |
| anas carolinensis | Yes | species | eukaryota | vertebrates | species | 75836 | click here |
| anas castanea | Yes | species | eukaryota | vertebrates | species | 45631 | click here |
| anas clypeata | Yes | species | eukaryota | vertebrates | species | 75838 | click here |
| anas crecca | Yes | species | eukaryota | vertebrates | species | 75839 | click here |
| anas cyanoptera | Yes | species | eukaryota | vertebrates | species | 75840 | click here |
| anas discors | Yes | species | eukaryota | vertebrates | species | 75842 | click here |
| anas flavirostris | Yes | species | eukaryota | vertebrates | species | 75845 | click here |
| anas georgica | Yes | species | eukaryota | vertebrates | species | 75847 | click here |
| anas gracilis | Yes | species | eukaryota | vertebrates | species | 45630 | click here |
| anas platyrhynchos | Yes | species | eukaryota | vertebrates | species | 8839 | click here |
| anas platyrhynchos x anas superciliosa | Yes | species | | | species | 2294095 | click here |
| anas puna | Yes | species | eukaryota | vertebrates | species | 75855 | click here |
| anas rhynchotis | Yes | species | eukaryota | vertebrates | species | 45633 | click here |
| anas smithii | Yes | species | eukaryota | vertebrates | species | 75859 | click here |
| anas superciliosa | Yes | species | eukaryota | vertebrates | species | 45632 | click here |
| anas undulata | Yes | species | eukaryota | vertebrates | species | 75862 | click here |
| andigena hypoglauca | Yes | species | eukaryota | vertebrates | species | 91761 | click here |
| andigena nigrirostris | Yes | species | | | species | 1032512 | click here |
| andropadus curvirostris | Yes | species | eukaryota | vertebrates | species | 59948 | click here |
| andropadus importunus | Yes | species | eukaryota | vertebrates | species | 59949 | click here |
| anhinga novaehollandiae | Yes | species | eukaryota | vertebrates | species | 9213 | click here |
| anous tenuirostris | Yes | species | eukaryota | vertebrates | species | 297803 | click here |
| anser anser | Yes | species | eukaryota | vertebrates | species | 8843 | click here |
| anser caerulescens | Yes | species | eukaryota | vertebrates | species | 8849 | click here |
| anthus trivialis | Yes | species | eukaryota | vertebrates | species | 45804 | click here |
| aphelocoma californica | Yes | species | eukaryota | vertebrates | species | 142466 | click here |
| apodemus agrarius | Yes | species | eukaryota | rodents | species | 39030 | click here |
| apodemus chevrieri | Yes | species | eukaryota | rodents | species | 129246 | click here |
| apodemus flavicollis | Yes | species | eukaryota | rodents | species | 54292 | click here |
| apodemus peninsulae | Yes | species | eukaryota | rodents | species | 105297 | click here |
| apodemus sylvaticus | Yes | species | eukaryota | rodents | species | 10129 | click here |
| aprosmictus erythropterus | Yes | species | eukaryota | vertebrates | species | 274068 | click here |
| aptenodytes forsteri | Yes | species | eukaryota | vertebrates | species | 9233 | click here |
| aptenodytes patagonicus | Yes | species | eukaryota | vertebrates | species | 9234 | click here |
| apus apus | Yes | species | eukaryota | vertebrates | species | 8895 | click here |
| aramides cajanea | Yes | species | eukaryota | vertebrates | species | 54570 | click here |
| archilochus colubris | Yes | species | eukaryota | vertebrates | species | 190676 | click here |
| ardea cinerea | Yes | species | eukaryota | vertebrates | species | 30390 | click here |
| ardenna carneipes | Yes | species | | | species | 1934105 | click here |
| arenaria interpres | Yes | species | eukaryota | vertebrates | species | 54971 | click here |
| arizelocichla milanjensis | Yes | species | | | species | 1743245 | click here |
| arremon aurantiirostris | Yes | species | eukaryota | vertebrates | species | 241750 | click here |
| attila citriniventris | Yes | species | eukaryota | vertebrates | species | 649781 | click here |
| attila spadiceus | Yes | species | eukaryota | vertebrates | species | 478645 | click here |
| aulacorhynchus coeruleicinctis | Yes | species | eukaryota | vertebrates | species | 488207 | click here |
| aulacorhynchus derbianus | Yes | species | eukaryota | vertebrates | species | 91748 | click here |
| aulacorhynchus prasinus | Yes | species | eukaryota | vertebrates | species | 57399 | click here |
| aulacorhynchus sulcatus | Yes | species | eukaryota | vertebrates | species | 488208 | click here |
| automolus leucophthalmus | Yes | species | eukaryota | vertebrates | species | 190678 | click here |
| aythya affinis | Yes | species | eukaryota | vertebrates | species | 189533 | click here |
| aythya australis | Yes | species | eukaryota | vertebrates | species | 45635 | click here |
| aythya collaris | Yes | species | eukaryota | vertebrates | species | 189535 | click here |
| aythya marila | Yes | species | eukaryota | vertebrates | species | 189534 | click here |
| bandicota indica | Yes | species | eukaryota | rodents | species | 456472 | click here |
| barnardius zonarius | Yes | species | eukaryota | vertebrates | species | 309859 | click here |
| basileuterus rufifrons | Yes | species | eukaryota | vertebrates | species | 85531 | click here |
| batis capensis | Yes | species | eukaryota | vertebrates | species | 392385 | click here |
| batis pririt | Yes | species | | | species | 392389 | click here |
| batis soror | Yes | species | eukaryota | vertebrates | species | 392388 | click here |
| bernieria madagascariensis (gmelin, 1789) | Yes | species | eukaryota | vertebrates | species | 374660 | click here |
| berylmys bowersi | Yes | species | eukaryota | rodents | species | 83759 | click here |