Wildlife of
Lesotho

Primary Threats

• Habitat degradation and loss are driven largely by rangeland deterioration (overgrazing and trampling), conversion of valley bottoms and gentler slopes to cropland, and degradation of alpine wetlands and headwater seep systems. In the highlands, repeated disturbance reduces grass cover, accelerates gullying, and fragments montane habitats that many endemic or range-restricted species depend on.
• Warming temperatures and more variable rainfall intensify droughts and extreme storms in a country already prone to erosion. Alpine wetlands and peat-like seep areas are sensitive to drying and physical disturbance; reduced soil moisture and altered runoff timing can shrink wetland habitat and destabilize slopes, while more intense rainfall events deepen gullies and increase sediment loads in rivers.
• Urban and peri-urban pollution (notably around Maseru) includes inadequate wastewater treatment, solid waste leakage into streams, and localized industrial discharges. In rural catchments, sedimentation from erosion acts as a major pollutant, degrading river habitat and water quality; mining areas can add risks from hydrocarbons, sediment, and process-related contaminants if not well managed.
• Non-native plants used historically for fuelwood or erosion control (e.g., some Acacia/wattle types, poplars and willows along streams in places) can outcompete native riparian and grassland vegetation and alter fire and water-use dynamics. Introduced fish (e.g., trout in some waters) can affect native aquatic communities where they establish.
• Disease pressures are most evident at the livestock-wildlife interface: endemic livestock diseases and periodic outbreaks can reduce livestock productivity, increasing grazing pressure elsewhere and sometimes leading to retaliatory actions against wildlife. Pathogens can also pose risks to small, isolated wildlife populations (e.g., amphibians in cool montane streams) if introduced or spread through increasing human movement and environmental stress.
• Wildlife is not a major commercial hunting destination, but local offtake and opportunistic hunting/trapping can affect ground-nesting birds and small mammals, especially near settlements and in accessible valleys. In some areas, predator control to protect livestock can also reduce native carnivore populations.
• Trade is generally small-scale but can involve collection of wild plants for traditional medicine and local markets, and occasional capture of birds or other wildlife. For slow-growing alpine plants and localized endemics, even limited harvesting can be significant when combined with habitat degradation.
• Commercial overfishing is limited (Lesotho is landlocked), but localized overharvest in rivers and reservoirs can affect fish populations, particularly where access is easy and habitats are already stressed by sedimentation and altered flows.
• Highland tourism, off-road vehicle use, trail expansion, and unmanaged recreation can damage fragile alpine soils and wetlands. In some catchments, unregulated sand extraction and frequent movement of livestock across wet areas physically break down wetland structure and accelerate erosion.
• Conflict is most acute with livestock predation by native carnivores (e.g., jackals/caracal in suitable areas), leading to lethal control that can suppress predator populations and disrupt ecosystem function. This conflict is intensified by reliance on extensive grazing and limited alternative livelihoods in remote highland communities.
• Many montane species occur in naturally fragmented 'islands' of suitable habitat; erosion-driven fragmentation, wetland loss, and infrastructure corridors can further isolate small populations. Isolation raises risks of reduced genetic diversity and lowers resilience to climate variability and disease.
• Pressure on biomass and grazing resources is high in many districts: fuelwood and thatching grass collection can degrade local vegetation, while chronic overstocking reduces grassland recovery capacity. Water is a strategic resource; competing demands for domestic use, irrigation, and inter-basin transfer heighten sensitivity to catchment degradation.
• Large water infrastructure associated with the Lesotho Highlands Water Project (dams, tunnels, roads, power lines, worker camps) can fragment habitats, inundate river valleys, and increase human access to previously remote areas. Secondary effects include quarrying, erosion from new roads, and wildlife disturbance.
• River regulation and impoundments alter flow seasonality, sediment transport, and temperature regimes downstream of dams, affecting aquatic and riparian ecosystems. Wetland drainage or channelization in some areas (often linked to erosion control attempts or agriculture) can reduce the natural water-storage function of highland wetlands.
• Cultivation on marginal lands and steep slopes, particularly where soil conservation measures are weak, increases erosion and reduces native grassland cover. Expansion into valley bottoms can also encroach on wetlands and riparian buffers, degrading key habitats and water filtration functions.
• Urban growth centered on Maseru and corridor towns converts land, increases demand for construction materials (including sand), and adds stormwater runoff and wastewater loads to rivers. Expanding peri-urban settlements can also encroach on nearby wetlands and grazing commons.
• Industrial logging is limited, but localized cutting of woody vegetation for fuel and construction materials can degrade riparian zones and shrub/wooded patches where they occur. This can reduce bank stability and exacerbate sedimentation in streams.
• Diamond mining in the highlands and associated access roads, waste rock, and water use can disturb sensitive montane habitats and increase sediment runoff if controls fail. Small-scale extraction (including sand and gravel) along rivers can destabilize channels and worsen erosion, directly affecting aquatic habitat and downstream water quality.