It started as a joke. How do you put an elephant in a refrigerator? You open the door and put it in. So, how do you put in a giraffe? You open the door, take out the elephant, and put the giraffe in.

Feb 13 (Reuters) - An elephant's trunk is essential for most aspects of the animal's life, from interacting with its environment and with other elephants to eating and drinking. And the roughly 1,000 ...