Dolphins have names for one another.
18
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
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
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Cats sleep for 70% of their lives.
8
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Whales and dolphins can't taste anything other than salt.
11