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
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
A group of unicorns is called a blessing.
304
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
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Rattlesnake mating sessions have been known to last more than 22 hours.
232
A lion in the wild usually makes no more than twenty kills a year.
186