Gebirgsstelze

Motacilla cinerea, Grey Wagtail

Tyler, S. (2019). Grey Wagtail (Motacilla cinerea). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/57830 on 25 February 2019).
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