Aonyx capensis: Information
Aotus azarai: Information
Aotus lemurinus: Information
Aotus trivirgatus: Information
Apalone spinifera: Information
Aphelocoma ultramarina: Information
Aplacophora: Information
Aplodontia rufa: Information
Aplodontidae: Information
Aplysia californica: Information
Aplysia dactylomela: Information
Apodemus agrarius: Information
Apodemus sylvaticus: Information
Apodidae: Information
Aptenodytes forsteri: Information
Aptenodytes patagonicus: Information
Apteryx australis: Information
Apteryx haastii: Information
Apteryx owenii: Information
Apus melba: Information