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[[Rhinoceros]] (Greek: ῥῑνόκερως; ''rhinos'' and κέρας ''keras''; "nose-horn") refers to several large [[pachyderm]]atous [[herbivore|herbivorous]] land mammals of Africa and Asia, which bear one or two nasal horns.  Rhinoceros have poor vision but a good sense of smell, and despite their size - which is exceeded only by [[elephant]]s - they can quickly face danger and charge at speeds up to 35 mph.  

'''Rhinoceros''' (Greek: ῥῑνόκερως; ''rhinos'' and κέρας ''keras''; "nose-horn") refers to several large [[pachyderm]]atous [[herbivore|herbivorous]] land mammals of Africa and Asia, which bear one or two nasal horns.  Rhinoceros have poor vision but a good sense of smell, and despite their size - which is exceeded only by [[elephant]]s - they can quickly face danger and charge at speeds up to 35 mph.  

Five species are in existence today, but severely-reduced in numbers; four species currently are near the brink of extinction as a result of the illegal trade in rhino horns:

Five species are in existence today, but severely-reduced in numbers; four species currently are near the brink of extinction as a result of the illegal trade in rhino horns:

Rhinos are heavy-bodied animals, bearing a barrel-shaped body on stout, pillar-like legs with three-toed hooves.  The skin is thick, grey-colored, and except for the Sumatran rhino (which has a thin coat of extensive body hair) nearly hairless; the Indian and Javan rhinos have a folded skin pattern which gives the animals an appearence of being "armored".

Rhinos are heavy-bodied animals, bearing a barrel-shaped body on stout, pillar-like legs with three-toed hooves.  The skin is thick, grey-colored, and except for the Sumatran rhino (which has a thin coat of extensive body hair) nearly hairless; the Indian and Javan rhinos have a folded skin pattern which gives the animals an appearence of being "armored".

At just over 2,000 lbs in weight, the Sumatran rhino is the smallest living species; the white rhino on the other hand has adult bulls which average over 5,000 lbs, with several on record of being over 7,000 lbs.   

At just over 2,000 lbs in weight, the Sumatran rhino is the smallest living species; the white rhino on the other hand has adult bulls which average over 5,000 lbs, with several on record of being over 7,000 lbs.   

The head is large and bears the horns for which it is named.  The genera ''Rhinoceros'' have a single, large horn; the remaining species have two, of which the front horn is longer.  Lacking a bony core, these horns are made entirely of keratin - the same material found in hair and fingernails - which continue to grow throughout life.

The head is large and bears the horns for which it is named.  The genera ''Rhinoceros'' have a single, large horn; the remaining species have two, of which the front horn is longer.  Lacking a bony core, these horns are made entirely of keratin - the same material found in hair and fingernails - which continue to grow throughout life.

[[Category:Odd-toed ungulates]]

[[Category:Odd-toed ungulates]]

[[Category:Rhinoceros]]

[[Category:Rhinoceros]]

[[category:Pachyderms]]

[[Category:Pachyderms]]