Blackcock or Black-Grouse - Tetrao tetrix, circa 1910, . From Britains Birds and Their Nests, by A. Landsborough Thomson. [The Waverley Book Company,...
black grouse (lyrurus tetrix, formerly tetrao tetrix), male at a lek in spring, perthshire, scotland, uk - 黑松雞 個照片及圖片檔
a black grouse with a distinctive red wattle stands on frosty ground in a natural habitat, calling out - 黑松雞 個照片及圖片檔
örebro county, sweden: a black grouse (lyrurus tetrix) perches on a tree with its wings spread out in a spring-like setting - 黑松雞 個照片及圖片檔
black grouse (lyrurus tetrix, formerly tetrao tetrix), males at a lek in spring, perthshire, scotland, uk - 黑松雞 個照片及圖片檔
old engraved illustration of the black grouse, northern black grouse, eurasian black grouse, blackgame or blackcock (lyrurus tetrix) a large bird in the grouse tribe - 黑松雞 個照片及圖片檔
