The cat brain weighs about 30g.
167
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
A dork is a whale's penis.
327
A scorpion can hold its breath for up to 6 days.
19
Rattlesnake mating sessions have been known to last more than 22 hours.
232