When cats are happy, they may squeeze their eyes shut.
10
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Lobsters have blue blood.
476
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Whales and dolphins can't taste anything other than salt.
11
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11