Condoms were originally made of animal intestines or linen.
347
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Tigers can see 6 times better at night than humans.
305
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
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16