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The Black Wheatear never has a white crown.
Moller used a play-back technique to investigate the effects of singing by the Black Wheatear (Oenanthe leucura) on the behaviour of both conspecifics and heterospecifics.
The Black Wheatear (Oenanthe leucura) is a wheatear, a small passerine bird that was formerly classed as a member of the Thrush family Turdidae, but is now more generally considered to be an Old World flycatcher, Muscicapidae.
The similar Black Wheatear, Oenanthe leucura, also breeds in the western part of the White-crowned Wheatear's range, but the latter has a black inverted T on its white tail, whereas White-crowned has only a black centre to its tail.
Moller used a play-back technique to investigate the effects of singing by the Black Wheatear (Oenanthe leucura) on the behaviour of both conspecifics and heterospecifics.
The Black Wheatear (Oenanthe leucura) is a wheatear, a small passerine bird that was formerly classed as a member of the Thrush family Turdidae, but is now more generally considered to be an Old World flycatcher, Muscicapidae.
The similar Black Wheatear, Oenanthe leucura, also breeds in the western part of the White-crowned Wheatear's range, but the latter has a black inverted T on its white tail, whereas White-crowned has only a black centre to its tail.
Wörterbuch für ornithologische Begriffe