This 2019 video says about itself:
Aye-aye is one of the most bizarre mammals. It is the largest nocturnal primate in the world. Local people on Madagascar greatly fear this animal and kill it if they can. They believe that aye-aye is a bad spirit and they will die if it appears in the village.
In fact, it is specialized in eating grubs, which it gets our of the holes in the wood by its long middle finger. It taps on the wood before and detects the grub with its huge ears. Aye-aye has always growing incisors which enable it to bite to the wood. Apart from insects, it eats also fruits and seeds and that is why it comes to the plantations. Nobody knows how many aye-ayes are left in the forest of Madagascar.