Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
The octopus does not have a blind spot.
273
When dragonflies mate, their tails form a love heart.
22
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
A 42-foot sperm whale has about 7 tons of oil in it.
209