Aye-aye (Daubentonia madagascariensis)

The next creature on our list of weird animals is Aye-aye. It is the world’s largest nocturnal primate native to Madagascar islands. The primate spends its days sleeping and its nights searching for food. 

One of its many weird features is its long, narrow middle finger. It uses it to tap on tree branches to get the grubs and insects under the tree branches. Aye-aye uses the percussive foraging method to search for food. 

It has rodent-like teeth for tearing at grubs and insects and bat-like ears it uses to pick up echoes in trees. Unfortunately, aye-aye is an endangered species.