Jellyfish as a species are actually older than dinosaurs and sharks.
383
Whales and dolphins can't taste anything other than salt.
11
When cats are happy, they may squeeze their eyes shut.
10
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6