In Australia, there are spiders big enough to eat snakes.
20
Condoms were originally made of animal intestines or linen.
347
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
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Cats recognise the voice of their owner, but never evolved to care.
22
The head of a jellyfish is called the "Bell."
6
Jellyfish as a species are actually older than dinosaurs and sharks.
383
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10