Rattlesnake mating sessions have been known to last more than 22 hours.
232
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
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Cats sleep for 70% of their lives.
8
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271