Bats sleep 18-20 hours per day.
5
The cat brain weighs about 30g.
167
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
There's a rare breed of pig that looks like a sheep.
14