Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
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
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
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Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2