Synalpheus townsendi
Alpheidae
Synaptomys cooperi
Cricetidae
Synchelidium americanum
Oedicerotidae
Synelmis albini
Pilargidae
Synoicum adareanum
Polyclinidae
Syrnolopsis lacustris
Paludomidae
Syrrhoe nodulosa
Synopiidae
Systasea pulverulenta
Hesperiidae
Systenopora contracta
Sclerodomidae
Tachybaptus dominicus
Podicipedidae
Tachycineta bicolor
Hirundinidae
Tadarida brasiliensis
Molossidae
Tadarida cynocephala
Molossidae
Tagelus divisus
Solecurtidae
Tagelus plebeius
Solecurtidae
Tamias amoenus
Sciuridae
Tamiasciurus hudsonicus
Sciuridae
Tamias minimus
Sciuridae
Tamias quadrivittatus
Sciuridae
Tamias striatus
Sciuridae