A group of unicorns is called a blessing.
304
Sloths take two weeks to digest their food.
243
The cat brain weighs about 30g.
167
When dragonflies mate, their tails form a love heart.
22
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
Early American humans hunted car-size armadillos and used their shells for houses.
12
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20