The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
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
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Mosquitoes don't just bite you, they also pee on you.
11
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Cats sleep for 70% of their lives.
8