When cats are happy, they may squeeze their eyes shut.
10
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
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
Sharks, like other fish, have their reproductive organs in their chests.
248
Female kangaroos have three vaginas.
2
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16