Rhino Husbandry Manual
Greater One Horned Rhinoceros

Scientific Name and Origin
Rhinoceros unicornis
Rhinoceros: Greek rhino, meaning “nose” and ceros, meaning “horn”
unicornis: Latin uni, meaning “one” and cornus, meaning “horn”
Common Names
Asian greater one-horned rhinoceros: referring to the single, large horn
Indian/Nepalese rhinoceros: referring to the species’ endemic range
Distribution and Habitat
Northern India, southern Nepal
Floodplains, riverine grasslands
Size
1,800 to 2,200 kg (4,000 to 5,000 lb)
1.75 to 2.0 m (5.75 to 6.5 ft.) tall at shoulder
Single horn 20 to 61 cm (8 to 24 in)
Largest land mammal, after elephants, along with the African white rhino
Physical Description
Brownish-gray, hairless, with rivet-plated (armor-plated), knobby skin
One horn
Upper lip semi-prehensile
Life History Characteristics
Grazer (primarily; will consume some browse)
Mostly solitary: temporary groups of females and young or of subadults possible
Females sexually mature at five to seven years of age; males at ten years
Gestation period approximately 15 to 16 months; interbirth interval of three years