The elephant brain weighs about 6,000g.
274
Tigers can see 6 times better at night than humans.
305
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
Sharks have been on the planet longer than trees.
14
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
The cat brain weighs about 30g.
167
The Basenji dog is the only dog that is not able to bark.
4