A lion in the wild usually makes no more than twenty kills a year.
186
Rattlesnake mating sessions have been known to last more than 22 hours.
232
A puppy is born blind, deaf, and toothless.
16
A scorpion can hold its breath for up to 6 days.
19
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23