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Black Grouse Tetrao tetrix L 40-45cm. Bulky moorland gamebird. Males display at traditional leks to interest nearby females. Sexes are dissimilar. Adult male has mainly dark plumage with red wattle above eye. Displaying birds elevate and spread tails (which look lyre-shaped) and reveal white undertail coverts. In flight, tail looks long and forked; wings have white bars. Adult female has orange-brown plumage finely marked with dark bars. In flight wings show narrow white bar. Juvenile resembles a small female with subdued markings. Voice Displaying male utters a bubbling, cooing call. Status Scarce and declining in many areas. Does best on moorland comprising mosaic of grassland, heather moorland, bilberry stands and adjacent woodland.
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Black Grouse Tetrao tetrix L 40-45cm. Bulky moorland gamebird. Males display at traditional leks to interest nearby females. Sexes are dissimilar. Adult male has mainly dark plumage with red wattle above eye. Displaying birds elevate and spread tails (which look lyre-shaped) and reveal white undertail coverts. In flight, tail looks long and forked; wings have white bars. Adult female has orange-brown plumage finely marked with dark bars. In flight wings show narrow white bar. Juvenile resembles a small female with subdued markings. Voice Displaying male utters a bubbling, cooing call. Status Scarce and declining in many areas. Does best on moorland comprising mosaic of grassland, heather moorland, bilberry stands and adjacent woodland.

Filename: 137613.jpg
Size: 3543x2320 / 6.7MB
Source:
Date: 27 Jun 2013
Location:
Credit: Richard Revels/NPL
Copyright:
Model Release: No
Property Release: No
Restrictions: Nature Photographers Ltd., West Wit, New Road, Little London, Tadley, Hampshire, RG26 5EU. Tel: +44(0)1256 850661 web: www.naturephotographers.co.uk
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