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The
Riverine Rabbit - Endangered Inhabitant
of the Central Karoo
The riverine rabbit (Bunolagus monticularis) currently ranks as one
of South Africa’s rarest and most endangered mammal species. It weighs
approximately 1.6 kg, and has remarkably long ears and rusty brown
underparts. It has densely haired hind feet, a fluffy grey-brown tail and
a conspicuous dark brown “moustache”. The eyes are encircled with
distinct white rings.
The riverine rabbit only occurs in the central parts of the Karoo, mainly near the towns of Sutherland, Calvinia, Williston, Loxton, Carnavon, Victoria West and Beaufort West. The distribution of this animal is limited to a specific habitat. These areas are closely linked to the narrow river deposits fringing seasonal watercourses, and associated riverine bush like buchu (Pteronia adenocarpa & P. erythrocaetha), ganna (Salsola glabrescens) and kriedoring (Lycium cinereum).
Possible
reasons for the PRECARIOUS ecological status of the riverine rabbit:
The
occurrence of the riverine rabbit is mainly affected by the alteration and
fragmentation of its habitat along dry river courses. However, its fight
for survival is made even more difficult by a combination of factors.).