Black Grouse (Tetrao tetrix tetrix) - Adult male
Sweden
© Jörgen Wiklund

Black Grouse (Tetrao tetrix tetrix) - Adult male
Poland
Canon EOS 1D Mark II with 400/2.8 L USM IS plus converters
© Grzegorz Leśniewski

Black Grouse (Tetrao tetrix tetrix) - Adult males
Poland
Canon EOS 1D Mark II with 400/2.8 L USM IS plus converters
© Grzegorz Leśniewski