Fig. 4From: Taxonomic status of grey-headed Yellow Wagtails breeding in western ChinaFemales photographed in proximity to grey-headed males. Note greyish appearance with limited supercilium, very similar to M. f. feldegg females. a Urumqi, 11 May 2018 (Per Alström). b Fukang, 22 May 2018 (Jonathan Martinez)Back to article page