Dogs have been man's pet for over 14,000 years.
224
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Elephants are terrified of Bees and actually have a special, distinct vocalization for “Run away the Bees are angry”
49
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
When cats are happy, they may squeeze their eyes shut.
10
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19