Cats recognise the voice of their owner, but never evolved to care.
22
A group of kittens is called a "kindle".
10
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
The oldest recorded elephant lived for 82 years.
213
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Condoms were originally made of animal intestines or linen.
347
There's a lizard known as the 'Jesus Lizard' that can run across water.
11