Rats multiply so quickly that in 18 months, two rats could have over a million descendants.
33
The octopus does not have a blind spot.
273
One litter of kittens can be produced by more than one father.
57
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
The heart of a mouse beats 650 times per minute!
53
Some breeds of chickens lay colored eggs!
51