Yellow Wagtail (Motacilla flava): A Comprehensive Biological and Ecological Study The Yellow Wagtail (Motacilla flava) is a slender, long-tailed passerine bird renowned for its vivid yellow underparts, graceful movements, and remarkable migratory journeys across continents. As one of the most geographically variable wagtail species, it exhibits extensive plumage diversity, making it a subject of […]