In Australia, there are spiders big enough to eat snakes.
20
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A scorpion can hold its breath for up to 6 days.
19
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
The cat brain weighs about 30g.
167
The largest breed of rabbit is the Flemish Giant.
65
Bats sleep 18-20 hours per day.
5