The elephant brain weighs about 6,000g.
274
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
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
Nicole Kidman is scared of butterflies.
65
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
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13