Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Domestic pigs average a top speed of about 11 miles per hour.
182
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
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
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
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11