The male seahorse carries babies and 'gives birth' to them instead of the female.
7
The octopus does not have a blind spot.
273
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Moths are unable to fly during an earthquake.
328
Sharks have been on the planet longer than trees.
14