When cats are happy, they may squeeze their eyes shut.
10
Cats recognise the voice of their owner, but never evolved to care.
22
The cat brain weighs about 30g.
167
There's a rare breed of pig that looks like a sheep.
14
Squirrels forget where they hide about half of their nuts.
698
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18