Weaver Wednesday 3: range changes in S Africa
Red-collared Widowbird Euplectes ardens
Range changes in SA
Range change summary
In South Africa the Red-collared Widowbird has slightly more grid cells with increases in reporting rate than cells showing decreases, between SABAP1 (1987-1991) and SABAP2 (2007-).
The points below match the points on the map above.
1. The core range of this widowbird in South Africa lies from eastern Mpumalanga to southern KwaZulu-Natal, excluding Zululand (this core has high reporting rates in SABAP2)
2. The Eastern Cape overall has slightly more decreases than increases between SABAP1 and SABAP2.
Overall the Red-collared Widowbird shows a fairly stable population between SABAP1 and SABAP2. There are many grids with large or small changes, but these are fairly patchy.
Range changes elsewhere
No major range changes known elsewhere, but it may wander in response to rainfall, eg. recorded 170km west of its known range at Selukwe, Zimbabwe, probably due to rainfall (Donnelly 1973a).