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Weaver Wednesday 3 [261] - Range changes [24]: Long-tailed Widowbird

2017-06-14 (785)

gravit8 Weaver Wednesday 3: range changes in S Africa (species text)

Long-tailed Widowbird Euplectes progne

Long-tailed Widowbird, Range-change map between SABAP1 (1987-1991) and SABAP2 (2007-current).
Red, orange and yellow = cells with very large, large, and small relative decreases
Blue, dark green and light green = cells with very large, large and small relative increases.
Cells = quarter-degree grid cells; Only cells with at least 4 checklists in both SABAP1&2 shown. All cells had this species recorded in SABAP1 or in SABAP2 or in both (more about interpretation at Biodiversity Observations 7.62: 1-13).

Long-tailed Widowbird
Long-tailed Widowbird,
figure from Birdpix

Range changes in SA

Range change summary
More 4 lists 30 lists
increases n % n %
Decrease 270 36 124 37
Tiny change 237 32 119 36
Increase 232 32 91 27
Total 739 100 334 100
In South Africa the Long-tailed Widowbird has more grid cells with decreases in reporting rate than cells showing increases, between SABAP1 (1987-1991) and SABAP2 (2007-).

The points below match the points on the map above.

Areas with increases include:
1. Central highveld.

Areas with very large decreases include:
2. Many edges of its range in South Africa show decreases, especially KwaZulu-Natal.
3. Humansdorp area - a small population persists - it has been present historically, and initially must have been joined to the rest of the South African population.

Range changes elsewhere

None known.

All news items relating to this species

The headers below refer to Weaver News items featuring this species. Click on a header to see the News item, which includes the full news item. (The number in brackets is the date that the news item appeared on Weaver Watch).

Weaver Wednesday 3 [261] - Range changes [24]: Long-tailed Widowbird (2017-06-14)
Weaver Wednesday [128] - Discovery [11]: Long-tailed Widowbird (2014-11-26)
Weaver Wednesday [82]: Long-tailed Widowbird (2014-01-08)
Eggs of Angolan weavers (2012-07-15)