The cat brain weighs about 30g.
167
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
A lion in the wild usually makes no more than twenty kills a year.
186
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
The colossal squid has the largest eyes in the world.
4
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
Early American humans hunted car-size armadillos and used their shells for houses.
12