Cats and dogs can hear ultrasound.
350
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Condoms were originally made of animal intestines or linen.
347
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
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