The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Alligators can live up to 100 years.
337
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
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17