Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Cats and dogs can hear ultrasound.
350
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Parrot parents "name" their children with a signature call.
112
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
A group of kittens is called a "kindle".
10