The elephant brain weighs about 6,000g.
274
Cats recognise the voice of their owner, but never evolved to care.
22
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
Cats and dogs can hear ultrasound.
350
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268