Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Condoms were originally made of animal intestines or linen.
347
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27