Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Cows can sleep standing up, but they can only dream lying down.
745
The colossal squid has the largest eyes in the world.
4
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13