A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
The colossal squid has the largest eyes in the world.
4
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Dogs have been man's pet for over 14,000 years.
224
Cats and dogs can hear ultrasound.
350