The reindeer is the only mammal that can see UV light.
17
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
There are approximately three chickens for every human on Earth.
13
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
A scorpion can hold its breath for up to 6 days.
19
The Basenji dog is the only dog that is not able to bark.
4