By grrlscientist on January 29, 2008. tags: birds, Black Grouse, Tetrao tetrix, ornithology, Image of the Day Data in the climatic atlas show that the distribution of the Black Grouse, Tetrao tetrix, is likely to be affected by climate change Image: Chris Gomersall/RSPB Images. Tags image of the day ornithology zoology birds black grouse Tetrao tetrix image of the day ornithology zoology More like this New and Exciting in PLoS this weekThere are new articles in four PLoS journals today. New and Exciting in PLoS ONEThere are 33 new articles in PLoS ONE today.