Rattlesnake mating sessions have been known to last more than 22 hours.
232
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
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
A scorpion can hold its breath for up to 6 days.
19
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156