Sahel Bush Sparrow
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The Sahel bush sparrow (''Gymnoris dentata'') or bush petronia, is a
species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
of bird in the family
Passeridae Old World sparrows are a group of small passerine birds forming the family Passeridae. They are also known as true sparrows, a name also used for a particular genus of the family, '' Passer''. They are distinct from both the New World sparrows, ...
. It is found in Africa from Mauritania to Guinea and east to Eritrea and the south-western Arabian Peninsula in its natural
habitat In ecology, habitat refers to the array of resources, biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species' habitat can be seen as the physical manifestation of its ...
s of dry
savanna A savanna or savannah is a mixed woodland-grassland (i.e. grassy woodland) biome and ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach th ...
and
subtropical The subtropical zones or subtropics are geographical zone, geographical and Köppen climate classification, climate zones immediately to the Northern Hemisphere, north and Southern Hemisphere, south of the tropics. Geographically part of the Ge ...
or tropical dry
shrubland Shrubland, scrubland, scrub, brush, or bush is a plant community characterized by vegetation dominance (ecology), dominated by shrubs, often also including grasses, herbaceous plant, herbs, and geophytes. Shrubland may either occur naturally o ...
.


Description

The Sahel bush sparrow is a small bird with a large, conical beak and a short tail. It grows to a length of about . The male has a grey crown, a wide but ill-defined reddish-brown
supercilium The supercilium is a plumage feature found on the heads of some bird species. It is a stripe which runs from the base of the bird's beak above its eye, finishing somewhere towards the rear of the bird's head.Dunn and Alderfer (2006), p. 10 Also k ...
and greyish-brown face and throat, surrounding the creamy-white bib. The male's beak is black during the breeding season but horn-coloured during the rest of the year. The plumage on the upper parts and tail is mainly brown, with no white on the tail. The upper throat has an ill-defined yellowish spot and the breast is creamy-buff, becoming whiter on the belly. The female is similar, but has a better-defined white supercilium, brownish rather than grey crown and face, horn-coloured beak all year round and two white wing bars. The juvenile is similar to the female.


Distribution and habitat

This bush sparrow is found in suitable habitat in a broad belt across the Sahel region of Africa, its range extending from Senegal to Eritrea and Yemen. Its habitat is typically semi-arid savannah with scattered trees and cultivated clearings near settlements, at altitudes up to about .


Status

This species has an extremely wide range and is described as common in some parts of its range. The population seems to be steady and no specific threats have been identified, so the
International Union for Conservation of Nature The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. Founded in 1948, IUCN has become the global authority on the stat ...
has assessed its conservation status as being of "
least concern A least-concern species is a species that has been evaluated and categorized by the International Union for Conservation of Nature (IUCN) as not being a focus of wildlife conservation because the specific species is still plentiful in the wil ...
".


References

Sahel bush sparrow Birds of the Sahel Birds of Sub-Saharan Africa Birds of the Arabian Peninsula Sahel bush sparrow Taxonomy articles created by Polbot {{Passeridae-stub