One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
When cats are happy, they may squeeze their eyes shut.
10
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Jellyfish as a species are actually older than dinosaurs and sharks.
383
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
Moths are unable to fly during an earthquake.
328