Hybrid between Black grouse and Willow ptarmigan (Lyrurus tetrix ♂ x lagopus lagopus ♀) illustrated by the von Wright...

Hybrid between Black grouse and Willow ptarmigan (Lyrurus tetrix ♂ x lagopus lagopus ♀) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska Fåglar Efter Naturen Och Pa Sten Ritade.

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ID :
326039