Rattlesnake mating sessions have been known to last more than 22 hours.
232
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Dogs sometimes fake being sick to get attention.
26
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