A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
A 42-foot sperm whale has about 7 tons of oil in it.
209
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
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
A group of unicorns is called a blessing.
304
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18