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Location Swaziland, Shiselweni
Central coordinates 31o 3.00' East  27o 1.00' South
IBA criteria A1, A3
Area 2,000 ha
Altitude 950 - 1,390m
Year of IBA assessment 2001





Site description This area is located in south-western Swaziland, between the Mahamba border-post and the village of Gege, along the eastern Drakensberg escarpment of southern Africa. Shiselweni Forestry Company owns land east of this IBA. The site is dominated by the Mahamba Mountain, which rises from c.1,000 m to almost 1,400 m. The sides of the mountain are steep, but the plateau is relatively flat. The Mkhondvo river cuts through this mountain to form a spectacular gorge with sheer cliff-faces on both sides. Sour highland grassveld covers most of the mountain, interspersed with narrow drainage lines. Scrubby vegetation occurs patchily along clear mountain streams. Several forest patches are restricted to the more mesic valleys. Also present are rocky outcrops.

Key Biodiversity See Box and Table 3 for key species. Mahamba Mountain has yet to be properly surveyed. Mahamba holds suitable habitat for many important grassland-dependent species, including Saxicola bifasciata and Geocolaptes olivaceus. The largest breeding colony of Geronticus calvus in Swaziland breeds in the Mahamba Gorge. Several raptors breed here, including Aquila verreauxii and Falco biarmicus. Podica senegalensis and Alcedo semitorquata occur along the Mkhondvo river, while Eupodotis afra has been recorded in an adjoining area. Further ornithological exploration of this site will undoubtedly reveal more key bird species—for instance, it is likely that at least two species of the South African forests EBA and five species of the Afrotropical Highlands biome occur, but have so far been overlooked.

Non-bird biodiversity: Among plants, the near-endemic Cassipourea swaziensis (EN) and the threatened Aloe dyeri occur here. Most of the medium- and large-sized mammals have been hunted to extinction here. This is the only location in Swaziland where the elephant-shrew Elephantulus myurus is known to occur.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Southern Bald Ibis Geronticus calvus resident  present  A1  Vulnerable 
Ground Woodpecker Geocolaptes olivaceus resident  present  A1  Least Concern 
Yellow-throated Woodland-warbler Phylloscopus ruficapilla resident  1998  present  A3  Least Concern 
Buff-streaked Chat Oenanthe bifasciata resident  1998  present  A1, A3  Least Concern 
Swee Waxbill Estrilda melanotis resident  1998  present  A3  Least Concern 

Habitats

IUCN habitat Habitat detail Extent (% of site)
Shrubland   51%
Savanna   14%
Forest   33%

Land use

Land-use Extent (% of site)
tourism/recreation -

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Mahamba Mountain. Downloaded from http://www.birdlife.org on 22/11/2014

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