Weaver Wednesday 3: range changes in S Africa
Spectacled Weaver Ploceus ocularis
Range changes in SA
Range change summary
In South Africa the Spectacled Weaver has more grid cells with increases in reporting rate than cells showing decreases, between SABAP1 (1987-1991) and SABAP2 (2007-). Not shown in this map is current SABAP2 distribution which shows that the core of the range of the Spectacled Weaver in South Africa as coastal KwaZulu-Natal; there is good SABAP2 coverage in the Kruger National Park but the Spectacled Weaver occurs at a low reporting rate there.
The points below match the points on the map above.
Areas with very large increases include:
1. Eastern Cape.
3a,b,c. The western edge of its range in South Africa (other than the western edge in the Eastern Cape).
Large decreases appear to have occurred:
4. The western edge in the Eastern Cape.
Range changes elsewhere
Equatorial Guinea: at Río Muni, appears to be addition to country list (Demey 2015b).