Vidua fischeri

Scope: Global

Language: English

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Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
Animalia	Chordata	Aves	Passeriformes	Viduidae

Scientific Name:

Vidua fischeri (Reichenow, 1882)

Common Name(s):

English	–	Straw-tailed Whydah, Straw-tailed Widow
French	–	Veuve à queue de paille

Taxonomic Source(s):

del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.

Assessment Information [top]

Red List Category & Criteria:	Least Concern ver 3.1
Year Published:	2016
Date Assessed:	2016-10-01
Assessor(s):	BirdLife International
Reviewer(s):	Butchart, S. & Symes, A.
Facilitator/Compiler(s):	Ekstrom, J., Butchart, S.
Justification: This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size has not been quantified, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
Previously published Red List assessments:	2012 – Least Concern (LC) Download assessment 2009 – Least Concern (LC) Download assessment 2008 – Least Concern (LC) Download assessment 2004 – Least Concern (LC) Download assessment 2000 – Lower Risk/least concern (LR/lc) Download assessment 1994 – Lower Risk/least concern (LR/lc) Download assessment 1988 – Lower Risk/least concern (LR/lc) Download assessment

Geographic Range [top]

Countries occurrence:

Native:

Ethiopia; Kenya; Somalia; South Sudan; Sudan; Tanzania, United Republic of; Uganda

Additional data:

♦ Continuing decline in area of occupancy (AOO):	Unknown
♦ Extreme fluctuations in area of occupancy (AOO):	No	♦ Estimated extent of occurrence (EOO) - km2:	2460000
♦ Continuing decline in extent of occurrence (EOO):	Unknown	♦ Extreme fluctuations in extent of occurrence (EOO):	No
♦ Continuing decline in number of locations:	Unknown
♦ Extreme fluctuations in the number of locations:	No

Range Map:

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Population [top]

Population:

The population size of this species has not been quantified, but it is described as locally fairly common.

Trend Justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.

Current Population Trend:

Stable

Additional data:

♦ Number of mature individuals:	Unknown	♦ Continuing decline of mature individuals:	Unknown
♦ Extreme fluctuations:	No	♦ Population severely fragmented:	No
♦ Continuing decline in subpopulations:	Unknown
♦ Extreme fluctuations in subpopulations:	No	♦ All individuals in one subpopulation:	No

Habitat and Ecology [top]

Citation:	BirdLife International. 2016. Vidua fischeri. The IUCN Red List of Threatened Species 2016: e.T22719977A94654129. . Downloaded on 24 September 2017.
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