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
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
A giraffe's kick is so powerful that it can decapitate a lion.
216
Cats and dogs can hear ultrasound.
350
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
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 puppy is born blind, deaf, and toothless.
16