A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Rattlesnake mating sessions have been known to last more than 22 hours.
232
A scorpion can hold its breath for up to 6 days.
19
Bats sleep 18-20 hours per day.
5
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The elephant brain weighs about 6,000g.
274
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25