black grouse (Lyrurus tetrix, Tetrao tetrix), two fighting males, Germany

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Size: 5197px × 3897px
Location: Deutschland
Photo credit: © blickwinkel/S. Meyers / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: animal, animals, behaviour, bird, birds, black, blackcock, blackcocks, bouleaux, bruyè, cock, cocks, colouration, competition, competitor, competitors, conflict, des, europe, european, fighting, format, gallo, german, germany, grouse, grouses, horizontal, lira, liras, lyre, lyres, male, males, nuptial, petit, rival, rivalry, rivals, étras, ú