Albert's lyrebird 
Alborz Lizard 
Alburzi viper 
Aldabra flying fox 
Aldabra giant tortoise 
Alexandrine parakeet 
Allen's Coral Snake 
Allen's gallinule 
Allen's Shrimpgoby 
Allen's tubelip 
Allens hummingbird 
Alligator gar 
Alligator pipefish 
Alligator snapping turtle 
Alpaca 
Alpine accentor 
Alpine chough 
Alpine Ibex 
Alpine Marmot 
Alpine Newt 
Alpine swift 
Altai vole 
Altamira oriole 
Alticus monochrus