A White and Yellow Wagtail Sitting on the Rocks
A (Motacilla alba) or White Wagtail (upper) and a (Motacilla flava) Yellow Wagtail (lower) sitting on the rocks in a grassy area. “The White Wagtail - Head black, with a broad mask of white across forehead and along side; the black extending on the fore-breast; wings blackish, with much white edging and tipping of the quills and greater coverts; tail black, the two lateral feathers on each side mostly white; back and sides ashy; lower parts mostly white; bill and feet black. In winter black more restricted, in part replaced by gray. The Yellow Wagtail has characters of the Motacilla alba; tail shorter, not exceeding the wing length; hind claw lengthened and straightish; hind toe and claw nearly as long as the tarsus. Coloration chiefly yellow and greenish.” Elliot Coues, 1884
Keywords
migratory birds, birds, wagtail, ornithology, North American birds, passerine birds, Motacilla flava, insectivorous birds, White Wag-Tail, Yellow Wag-Tail, Motacilla albaGalleries
Birds: W-ZSource
Elliot Coues Key to North American Birds (Boston, MA: Estes and Lauriat, 1884)
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