A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The Basenji dog is the only dog that is not able to bark.
4
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
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
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
In Australia, there are spiders big enough to eat snakes.
20
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5