|Scientific Name:||Batis minor|
|Species Authority:||Erlanger, 1901|
|Taxonomic Source(s):||Louette, M. 2005. Western Black-headed Batis Batis erlangeri: a separate species consisting of two subspecies. Bulletin of the African Bird Club 12(2): 99-105.|
|Taxonomic Notes:||Batis minor (Sibley and Monroe 1990, 1993) was split into B. minor and B. erlangeri by Louette (2005) but this treatment was not followed by the BirdLife Taxonomic Working Group because cited morphological and vocal differences were thought to be slight or undetectable. Subsequently F. Dowsett-Lemaire reported that erlangeri has a ‘very different voice’ from coastal minor. Assuming this vocal difference to be major, and referring to our previous notes, erlangeri can be accepted as specifically distinct from minor on the basis of: very different voice’ (3); larger size (2, based on measurements [no SDs however] in Lawson 1987); darker mantle in male (1); more olive wash in female (1).|
|Red List Category & Criteria:||Least Concern ver 3.1|
This species has a very 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). Despite the fact that the population trend appears to be decreasing, the decline is not believed to be sufficiently rapid to 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:|
Native:Kenya; Somalia; Tanzania, United Republic of
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||The global population size has not been quantified, but the species is reported to be frequent to common (Urban et al. 1997).|
Trend Justification: This population is estimated to have decreased recently (del Hoyo et al. 2006).
|Current Population Trend:||Decreasing|
|Citation:||BirdLife International. 2013. Batis minor. The IUCN Red List of Threatened Species 2013: e.T22725117A50440036.Downloaded on 29 July 2016.|
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