The eastern black-headed batis (''Batis minor'') is a

passerine A passerine () is any bird of the order Passeriformes (; from Latin 'sparrow' and '-shaped') which includes more than half of all bird species. Sometimes known as perching birds, passerines generally have an anisodactyl arrangement of their ...

bird in the family Platysteiridae from eastern Africa. It was formerly treated as

conspecific Biological specificity is the tendency of a characteristic such as a behavior or a biochemical variation to occur in a particular species. Biochemist Linus Pauling stated that "Biological specificity is the set of characteristics of living organism ...

with the

western black-headed batis The western black-headed batis (''Batis erlangeri'') or Von Erlanger's batis, is a species of passerine bird in the wattle-eye family Platysteiridae.Louette, M. (2019)"Western Black-headed Batis (''Batis erlangeri'')" In: del Hoyo, J., Elliott, ...

Taxonomy

The eastern black-headed batis was described by the German ornithologist

Carlo von Erlanger Carlo von Erlanger (5 September 1872 – 4 September 1904) was a German ornithologist and explorer born in Ingelheim am Rhein. He was a cousin to musicology, musicologist Rodolphe d'Erlanger, and a member of the Frédéric Émile d'Erlanger#Erlan ...

in 1901 who considered the taxon as a subspecies of the grey-headed batis (''Batis orientalis'') and introduced the

trinomial name In biology, trinomial nomenclature is the system of names for taxa below the rank of species. These names have three parts. The usage is different in zoology and botany. In zoology In zoological nomenclature, a trinomen (), trinominal name, or t ...

''Batis orientalis minor''. Two

subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...

are recognised: * ''B. m. minor'' Erlanger, 1901 – southern Somalia * ''B. m. suahelica'' Neumann, 1907 – southeastern Kenya and eastern Tanzania

Description

The eastern black-headed batis is in length and weighs . It is a small, stocky, rather restless, flycatcher like bird with a white, black and grey plumage. The forehead, crown and nape are blackish grey with a white supercilium and loral spot, the mask is glossy bluish black and there is a white spot on the nape. The mantle and back are dark grey with a paler rump, females have a greyer mantle. The underparts are white with a glossy black breast band, which is dark reddish brown in the females. The tail is black with white outer tail feathers while the wings are mainly black with a white stripe. The bill and legs are black and the eyes are yellow. Juveniles are similar to females but browner.

Distribution and habitat

The eastern black-headed batis occurs in a wide variety of habitats so long as trees are present. These vary from arid savannah woodlands through to

juniper Junipers are coniferous trees and shrubs in the genus ''Juniperus'' ( ) of the cypress family Cupressaceae. Depending on the taxonomy, between 50 and 67 species of junipers are widely distributed throughout the Northern Hemisphere as far south ...

on the edge of montane evergreen forest, and including parks and gardens.

Behaviour

The eastern black-headed batis' biology is little known, they are seemingly typical batises and live in pairs or small family groups. Its diet is insects which it forages for by searching foliage or flycatching.

References

{{Taxonbar, from=Q1308702 Batis (bird) Birds of East Africa Birds described in 1901 Taxonomy articles created by Polbot