Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The octopus does not have a blind spot.
273
When dragonflies mate, their tails form a love heart.
22
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
Domestic pigs average a top speed of about 11 miles per hour.
182
A group of unicorns is called a blessing.
304