The term elephant ear, while literally meaning a notable part of the anatomy of certain pachyderms, is a term widely used as a common name for items bearing resemblance to the external ear flap of elephants:
Species of arums (a plant group) having especially large leaves (see Elephant ear plant or 'Ape).
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Interestingly, temperature control for an elephant is a constant problem because it has a low surface to volume ratio; despite an elephant's relatively lower metabolic rate, it is more difficult to lose heat through radiation because of its small surface area compared to its volume.
The ear of the African elephant is significantly larger--measuring 183 cm by 114 cm in the bush elephant.
To the average observer of elephants it may seem as though the elephant is incapable of listening and communicating with elephant in the distance.
Elephant tusks are the major source of ivory, but because of the increased rarity of elephants, hunting and ivory trade is now restricted, and in some countries illegal.
Elephants have also been used as mounts for safaris, especially on tiger hunts, and as ceremonial mounts for royal and religious occasions, whilst Asian elephants have been used for transport and entertainment, and are common to circuses around the world.
Elephant Reintroduction Foundation,The foundation is dedicated to a management system for rehabilitation of captive elephants and habitat preparation to ensure successful long-term sustainability after their return to the wild.