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The Rhino's single horn is present in both males and females, but not on newborn young. The black horn, like human fingernails, is pure keratin and starts to show after about 6 years. In most adults, the horn reaches a length of about 25 cm (9.8 in), but has been recorded up to 57.2 cm (22.5 in) in length. The nasal horn is slightly back-curved with a base of about 18.5 cm (7.3 in) by 12 cm (4.7 in) that rapidly narrows until a smooth, even stem part begins about 55 mm (2.2 in) above base. In captive animals, the horn is frequently worn down to a thick knob. The Indian rhinoceros has thick, silver-brown skin, which becomes pinkish near the large skin folds that cover its body. Its upper legs and shoulders are covered in wart-like bumps. It has very little body hair, aside from eyelashes, ear-fringes and tail-brush. Males develop thick neck-folds.[4
One-horned rhinos once ranged across the entire northern part of the Indian subcontinent, along the Indus, Ganges and Brahmaputra River basins.
Photographed in Kaziranga National Park ( Assam)
Spotted on Dec 11, 2007
Submitted on Nov 11, 2011
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