Condoms were originally made of animal intestines or linen.
347
Cats recognise the voice of their owner, but never evolved to care.
22
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
When you shave a guinea pig it looks like a little hippo.
19
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