| bombycilla cedrorum | Yes | species | eukaryota | vertebrates | species | 161648 | click here |
| bonasa umbellus | Yes | species | eukaryota | vertebrates | species | 9000 | click here |
| bos taurus | Yes | species | eukaryota | mammals | species | 9913 | click here |
| bovidae | Yes | | | mammals | family | 9895 | click here |
| bradypus tridactylus | Yes | species | eukaryota | mammals | species | 9354 | click here |
| bradypus variegatus | Yes | species | eukaryota | mammals | species | 9355 | click here |
| bubulcus ibis | Yes | species | eukaryota | vertebrates | species | 110668 | click here |
| buteo jamaicensis | Yes | species | eukaryota | vertebrates | species | 56263 | click here |
| butorides virescens | Yes | species | eukaryota | vertebrates | species | 110671 | click here |
| callipepla californica | Yes | species | eukaryota | vertebrates | species | 67771 | click here |
| callipepla gambelii | Yes | species | eukaryota | vertebrates | species | 67773 | click here |
| calliphora vicina | Yes | species | eukaryota | invertebrates | species | 7373 | click here |
| callithrix argentata | Yes | species | eukaryota | primates | species | 9482 | click here |
| callithrix jacchus | Yes | species | eukaryota | primates | species | 9483 | click here |
| caluromys philander | Yes | species | eukaryota | mammals | species | 70610 | click here |
| canidae | Yes | | | mammals | family | 9608 | click here |
| canis latrans | Yes | species | eukaryota | mammals | species | 9614 | click here |
| canis lupus familiaris | Yes | subspecies | eukaryota | mammals | subspecies | 9615 | click here |
| capra hircus | Yes | species | eukaryota | mammals | species | 9925 | click here |
| capreolus capreolus | Yes | species | eukaryota | mammals | species | 9858 | click here |
| caracara cheriway | Yes | species | | | species | 1094198 | click here |
| cardinalis cardinalis | Yes | species | eukaryota | vertebrates | species | 98964 | click here |
| carduelis chloris | Yes | species | eukaryota | vertebrates | species | 37601 | click here |
| carollia brevicauda | Yes | species | eukaryota | mammals | species | 138695 | click here |
| carollia perspicillata | Yes | species | eukaryota | mammals | species | 40233 | click here |
| carollia sowelli | Yes | species | eukaryota | mammals | species | 208969 | click here |
| carollia subrufa | Yes | species | eukaryota | mammals | species | 138697 | click here |
| casuarius casuarius | Yes | species | eukaryota | vertebrates | species | 8787 | click here |
| catharus fuscescens | Yes | species | eukaryota | vertebrates | species | 159581 | click here |
| catharus ustulatus | Yes | species | eukaryota | vertebrates | species | 91951 | click here |
| cavia porcellus | Yes | species | eukaryota | rodents | species | 10141 | click here |
| cellia | Yes | | | invertebrates | no rank | 59139 | click here |
| cephalophus dorsalis | Yes | species | eukaryota | mammals | species | 97360 | click here |
| cephalophus leucogaster | Yes | species | eukaryota | mammals | species | 70738 | click here |
| ceratotherium simum | Yes | species | eukaryota | mammals | species | 9807 | click here |
| cercopithecidae | Yes | | | primates | family | 9527 | click here |
| cercopithecus ascanius | Yes | species | eukaryota | primates | species | 36223 | click here |
| cercopithecus denti | Yes | species | | | species | 1137511 | click here |
| cercopithecus mitis | Yes | species | eukaryota | primates | species | 36225 | click here |
| cercopithecus pogonias | Yes | species | eukaryota | primates | species | 102108 | click here |
| cervidae | Yes | | | mammals | family | 9850 | click here |
| cervus elaphus | Yes | species | eukaryota | mammals | species | 9860 | click here |
| chironomus thummi | Yes | species | eukaryota | invertebrates | species | 7154 | click here |
| chiroptera | Yes | | | mammals | order | 9397 | click here |
| chlorocebus aethiops | Yes | species | eukaryota | primates | species | 9534 | click here |
| chlorocebus pygerythrus | Yes | species | eukaryota | primates | species | 60710 | click here |
| choloepus didactylus | Yes | species | eukaryota | mammals | species | 27675 | click here |
| choloepus hoffmanni | Yes | species | eukaryota | mammals | species | 9358 | click here |
| cochlearius cochlearius | Yes | species | eukaryota | vertebrates | species | 110676 | click here |
| coendou prehensilis | Yes | species | eukaryota | rodents | species | 187985 | click here |
| colaptes auratus | Yes | species | eukaryota | vertebrates | species | 51355 | click here |
| colobus guereza | Yes | species | eukaryota | primates | species | 33548 | click here |
| columba livia | Yes | species | eukaryota | vertebrates | species | 8932 | click here |
| columba palumbus | Yes | species | eukaryota | vertebrates | species | 8934 | click here |
| columbidae | Yes | | | vertebrates | family | 8930 | click here |
| columbina passerina | Yes | species | eukaryota | vertebrates | species | 111974 | click here |
| contopus virens | Yes | species | eukaryota | vertebrates | species | 183524 | click here |
| coquillettidia | Yes | | | invertebrates | genus | 329110 | click here |
| coquillettidia fuscopennata | Yes | species | eukaryota | invertebrates | species | 667558 | click here |
| coquillettidia linealis | Yes | species | | | species | 1806174 | click here |
| coquillettidia nigricans | Yes | species | | | species | 1257098 | click here |
| coquillettidia perturbans | Yes | species | eukaryota | invertebrates | species | 329111 | click here |
| coquillettidia richiardii | Yes | species | | | species | 1245328 | click here |
| coquillettidia venezuelensis | Yes | species | | | species | 2488822 | click here |
| coquillettidia xanthogaster | Yes | species | eukaryota | invertebrates | species | 569586 | click here |
| corvus | Yes | | | vertebrates | genus | 30420 | click here |
| corvus brachyrhynchos | Yes | species | eukaryota | vertebrates | species | 85066 | click here |
| corvus cornix | Yes | species | eukaryota | vertebrates | species | 181096 | click here |
| corvus corone | Yes | species | eukaryota | vertebrates | species | 30422 | click here |
| coturnix coturnix | Yes | species | eukaryota | vertebrates | species | 9091 | click here |
| cricetinae | Yes | | | rodents | subfamily | 10026 | click here |
| cricetulus griseus | Yes | species | eukaryota | rodents | species | 10029 | click here |
| cricetus cricetus | Yes | species | eukaryota | rodents | species | 10034 | click here |
| culex | Yes | | | invertebrates | genus | 7174 | click here |
| culex annulioris | Yes | species | eukaryota | invertebrates | species | 667566 | click here |
| culex annulirostris | Yes | species | eukaryota | invertebrates | species | 162997 | click here |
| culex annulus | Yes | species | eukaryota | invertebrates | species | 182211 | click here |
| culex australicus | Yes | species | eukaryota | invertebrates | species | 260110 | click here |
| culex bidens | Yes | species | eukaryota | invertebrates | species | 707279 | click here |
| culex bitaeniorhynchus | Yes | species | eukaryota | invertebrates | species | 69822 | click here |
| culex camposi | Yes | species | | | species | 1461356 | click here |
| culex caudelli | Yes | species | eukaryota | invertebrates | species | 707275 | click here |
| culex cedecei | Yes | species | | | species | 1085688 | click here |
| culex cinereus | Yes | species | eukaryota | invertebrates | species | 667563 | click here |
| culex coronator | Yes | species | eukaryota | invertebrates | species | 526217 | click here |
| culex decens | Yes | species | eukaryota | invertebrates | species | 299630 | click here |
| culex declarator | Yes | species | eukaryota | invertebrates | species | 707281 | click here |
| culex dunni | Yes | species | | | species | 1273079 | click here |
| culex erraticus | Yes | species | eukaryota | invertebrates | species | 42427 | click here |
| culex erythrothorax | Yes | species | eukaryota | invertebrates | species | 42428 | click here |
| culex fuscocephala | Yes | species | eukaryota | invertebrates | species | 345740 | click here |
| culex gelidus | Yes | species | eukaryota | invertebrates | species | 308713 | click here |
| culex globocoxitus | Yes | species | | | species | 1806176 | click here |
| culex gnomatos | Yes | species | eukaryota | invertebrates | species | 284516 | click here |
| culex idottus | Yes | species | | | species | 1899248 | click here |
| culex interfor | Yes | species | | | species | 571208 | click here |
| culex iolambdis | Yes | species | | | species | 1085689 | click here |
| culex laticinctus | Yes | species | | | species | 1464561 | click here |
| culex maxi | Yes | species | | | species | 549330 | click here |
| culex mimeticus | Yes | species | eukaryota | invertebrates | species | 421623 | click here |