A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Giant Anteaters' front legs look like a panda.
48
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
The cat brain weighs about 30g.
167
The largest breed of rabbit is the Flemish Giant.
65
The male seahorse carries babies and 'gives birth' to them instead of the female.
7