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Weaver Wednesday 3 [245] - Range changes [8]: Red-headed Weaver

2017-02-22 (768)

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

Red-headed Weaver Anaplectes rubriceps

Red-headed Weaver, 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).

Red-headed Weaver
Red-headed Weaver,
figure from Birdpix

Range changes in SA

Range change summary
More 4 lists 30 lists
increases n % n %
Decrease 90 41 47 38
Tiny change 36 16 30 24
Increase 95 43 45 37
Total 221 100 122 100
In South Africa the Red-headed Weaver has 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.

Areas with very large increases include:
1. Western Limpopo Province.

Vagrant records:
2. Zululand, KwaZulu-Natal - new vagrant records show as blue grids, and vagrant records from SABAP1 are red.

3. It occurs at low density between 24 and 26 S.

Range changes elsewhere

Guinea: Pinselli Forest Reserve, range extension (Demey 2012b).
Kenya: Changoto woodlands near Dakatcha, range extension (Demey 2011a).

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 [245] - Range changes [8]: Red-headed Weaver (2017-02-22)
Weaver Wednesday [171] - Discovery [54]: Red-headed Weaver (2015-09-23)
History of a Red-headed Weaver pair (2013-06-02)
Weaver Wednesday [1]: Red-headed Weaver (2012-06-20)
PAPER: Red-headed Weaver colony revisited. (2012-04-24)
PAPER: Largest Red-headed Weaver colony (2011-08-31)
PAPER: Gabar Goshawk attack on weavers (2011-02-23)
Narrative of a name: red-headed or black-eared? (2010-12-20)
Red-headed Weaver ringing trip (2010-02-08)
PAPER: Correct name of the Red-headed Weaver (2009-07-16)