The most important difference to the above scheme is the inclusion of the extant southwestern subspecies from Namibia in " D . b . bicornis " instead of in its own subspecies, whereupon the nominal subspecies is not considered extinct.
22.
Poaching is another problem, indeed the black rhinoceros ( " Diceros bicornis " ) and northern white rhinoceros ( " Ceratotherium simum cottoni " ) were formerly native to the ecoregion but have been eliminated through over-hunting.
23.
The skull of a "'black rhinoceros " "'( Diceros bicornis ) ", a horns on the skull are made of keratin, with the larger front horn typically 50 cm ( 20 in ) long.
24.
The "'western black rhinoceros "'( " Diceros bicornis longipes " ) or "'West African black rhinoceros "'is a subspecies of the black rhinoceros, declared extinct by the IUCN in 2011.
25.
The "'south-western black rhinoceros "'( " Diceros bicornis occidentalis " ) is a subspecies of the black rhinoceros, living in southwestern Africa ( northern Namibia and southern Angola, introduced to South Africa ).
26.
Each fruit contains a single very large, starchy seed . " T . natans " and " T . bicornis " have been cultivated in China and the Indian subcontinent for at least 3, 000 years for the edible seeds.
27.
The casque appears U-shaped when viewed from the front, and the top is concave, with two ridges along the sides that form points in the front, whence the Latin species epithet " bicornis " ( two-horned ).
28.
Today Ezemvelo KZN Wildlife is involved with saving a subspecies of the South-Central Black Rhino ( " Diceros bicornis minor " ), of which virtually all of the animals now living in South Africa are descended from the remnant population of Umfolozi.
29.
For example, the recent disappearance of the Black Rhinoceros ( " Diceros bicornis " ) from Cameroon spells not only the local extinction of rhinoceroses in Cameroon, but also the global extinction of the Western Black Rhinoceros ( " Diceros bicornis longipes " ).
30.
For example, the recent disappearance of the Black Rhinoceros ( " Diceros bicornis " ) from Cameroon spells not only the local extinction of rhinoceroses in Cameroon, but also the global extinction of the Western Black Rhinoceros ( " Diceros bicornis longipes " ).
