Cats recognise the voice of their owner, but never evolved to care.
22
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Woodpecker scalps, porpoise teeth and giraffe tails have all been used as money.
46
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
Many hamsters only blink one eye at a time.
185
A cow produces 200 times more gas a day than a person.
90
The elephant is one of the few mammals that can't jump!
30
The ant can lift things 10 times its own weight.
33