The cat brain weighs about 30g.
167
How does a shark find fish? It can hear their hearts beating.
31
An ant brain has about 250 000 brain cells. A human brain has 10,000 million so a colony of 40,000 ants has collectively the same size brain as a human.
118
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Goldfish remember better in cold water than warm water.
29
Lurch, a Watusi bull, had the largest horns in the world.
32
