Aardvark 
Aardwolf 
Abantiades labyrinthicus 
Abbot's Bagworm Moth 
Abbott's Day Gecko 
Abdim's stork 
Abdopus aculeatus 
Aberts squirrel 
Abisara geza 
Abisara neavei 
Aborted entoloma 
Abracris flavolineata 
Abrosoma festinatum 
Abrosoma gibberum 
Abrupt Epiblema Moth 
Abyssinian Ground Hornbill 
Abyssinian roller 
Acacia angustissima 
Acacia nilotica 
Acacia peuce 
Acacia pied barbet 
Acacia shield bug 
Acacus sapuani 
Acadian hermit crab