Acanthosaura cardamomensis 
Acanthosaura crucigera 
Achilles tang 
Acorn Woodpecker 
Addax 
Adelaide's warbler 
Adélie penguin 
Admiralty Island cuscus 
Aesculapian snake 
Afghan Pika 
African barred owlet 
African black duck 
African black swift 
African blue flycatcher 
African blue tit 
African broadbill 
African buffalo 
African bullfrog 
African bush elephant 
African Bush Viper 
African chaffinch 
African citril 
African clawed frog 
African Crested-Flycatcher