Black grouse,Tetrao tetrix, illustrated by Nils Tirén (1885-1935)

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The Black Grouse or Blackgame (Tetrao tetrix) is a large bird in the grouse family. It is a sedentary species, breeding across northern Eurasia in moorland and bog areas near to woodland, mostly boreal. The Black Grouse is closely related to the Caucasian Black Grouse. These birds have a group display or lek in early spring. As with many Gamebirds, the male is larger than the female at 49-55 cm compared to her 40-45 cm length. The cock is very distinctive, with black plumage, apart from red wattles and a white wingbar, and a lyre-shaped tail, which appears forked in flight. His song is loud, bubbling and somewhat dove-like. The female is greyish-brown and has a cackling call. She takes all responsibility for nesting and caring for the chicks, as is typical with gamebirds. The male and female are sometimes referred to by their folk names, Blackcock and Greyhen respectively.

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Size: 5350px × 3321px
Photo credit: © markku murto/art / Alamy / Afripics
License: Royalty Free
Model Released: No

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