Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Dogs have been man's pet for over 14,000 years.
224
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Cats and dogs can hear ultrasound.
350
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
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