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Elephants average 3–4 hours of sleep per day. [87] Both males and family groups typically move no more than 20 km (12 mi) a day, but distances as far as 180 km (112 mi) have been recorded in the Etosha region of Namibia. [88] Elephants go on seasonal migrations in response to changes in environmental conditions. [89]
First described by J. Illiger in 1811, it encompasses the elephants and their close relatives. [1] Three living species of elephant are currently recognised: the African bush elephant, the African forest elephant, and the Asian elephant. Extinct members of Proboscidea include the deinotheres, mastodons, gomphotheres and stegodonts.
Elephantidae is a family of large, herbivorous proboscidean mammals which includes the living elephants (belonging to the genera Elephas and Loxodonta), as well as a number of extinct genera like Mammuthus (mammoths) and Palaeoloxodon.
First appearing in Africa during the Oligocene, they dispersed into Eurasia and North America during the Miocene and arrived in South America during the Pleistocene as part of the Great American Interchange. Gomphotheres are a paraphyletic group ancestral to Elephantidae, which contains modern elephants, as well as Stegodontidae.
Between 1976 and 1980, about 830 t (820 long tons; 910 short tons) raw ivory was exported from Africa to Hong Kong and Japan, equivalent to tusks of about 222,000 African elephants. [60] The first continental elephant census was carried out in 1976. At the time, 1.34 million elephants were estimated to range over 7,300,000 km 2 (2,800,000 sq mi ...
Proper housing for elephants in zoos and other exhibits across North America is currently a matter of great concern to wildlife biologists and elephant researchers, which is why there has been ...
Captive elephants have been kept in animal collections for at least 3,500 years. The first elephant arrived in North America in 1796. [1] London Zoo, the first scientific zoo, housed elephants beginning in 1831. [2] Before the 1980s, zoos obtained their elephants by capturing them from the wild.
The two African Elephants greeted each other for the first time at the San Diego Zoo. But before this precious moment, 41-year-old Mila led a life of solitude performing in the circus, before ...