Exploring species in Belgium
Aardvark 
Abdim's stork 
Aechmea gamosepala 
Aelurillus v-insignitus 
African buffalo 
African bush elephant 
African clawed frog 
African Grey Hornbill 
African Grey Parrot 
African Hemp 
African keeled mud turtle 
African pygmy goose 
African Silverbill 
African spurred tortoise 
Agelena labyrithica 
Agile frog 
Aldabra giant tortoise 
Alder Leaf Beetle 
Alfalfa 
Almond Willow 
Alpenrose 
Alpine Columbine 
Alpine pennygrass 
Alsike clover