One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
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
Sharks have been on the planet longer than trees.
14
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
A 42-foot sperm whale has about 7 tons of oil in it.
209
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10