Cattle are the only mammals that pee backwards.
33
Sheep can survive for up to two weeks buried in snow drifts.
260
Lobsters have blue blood.
476
There wasn't a single pony in the Pony Express, just horses!
57
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
A hippo can open its mouth wide enough to fit a 4 foot tall child inside!
23
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13