Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Cats and dogs can hear ultrasound.
350
Sharks have been on the planet longer than trees.
14
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Cows can sleep standing up, but they can only dream lying down.
745
Mosquitoes don't just bite you, they also pee on you.
11