Rattlesnake mating sessions have been known to last more than 22 hours.
232
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
Early American humans hunted car-size armadillos and used their shells for houses.
12
Cats recognise the voice of their owner, but never evolved to care.
22
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
A scorpion can hold its breath for up to 6 days.
19
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10