Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
In Australia, there are spiders big enough to eat snakes.
20
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
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 rare breed of pig that looks like a sheep.
14
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
Lurch, a Watusi bull, had the largest horns in the world.
32
Cows can sleep standing up, but they can only dream lying down.
745