Dolphins have names for one another.
18
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Sharks have been on the planet longer than trees.
14
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
Domestic pigs average a top speed of about 11 miles per hour.
182