Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
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
Two dogs were among the Titanic survivors.
262
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
Squirrels forget where they hide about half of their nuts.
698