An open-content, electronic journal published by the Animal Demography Unit
at the University of Cape Town

Bird distribution dynamics 5 – White-browed Sparrow-Weaver Plocepasser mahali in South Africa, Lesotho and Swaziland

H Dieter Oschadleus, María López Gómez and Michael Brooks

...In South Africa, the White-browed Sparrow-Weaver has more grid cells with increases in reporting rate than cells showing decreases, between SABAP1 (1987–1991) and SABAP2 (2007–). The highly urbanised Gauteng region has low reporting rates for the species. This results in a hole in the core of the distribution, which stretches from Limpopo to the Free State. The White-browed Sparrow-Weaver has increased in numbers and range in the Eastern Cape, spreading southwards through the Cradock district since 1950. This species appears to be expanding westwards in KwaZulu-Natal and the Kruger National Park, although reporting rates are currently low. The eastern Free State and the Kgalagadi Transfrontier Park show large increases between SABAP1 and SABAP2. ...

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