Black grouse (Lyrurus tetrix) portrait

tetrao tetrix lyrurus tetrix lyrurus tetraonidae galliformes aves vertebrata boreal forest peat bog spring adult male alone head courtship behaviour portrait black grouse lyrurus tetrix lyrurus cock least concern iucn lc may lek mating arena copy space nobody forest area freshwater wetland area temperate season seasons atmosphere stage of development individual enumeration general morphology morphology organism reproductive behaviour behavior shot grouse tetras gallinacean bird wild animal tetraonidae galliformes aves vertebrata low risk iucn lr iucn red list of threatened species species boreal forests north forest scandinavian forest scandinavian forests peat bogs boggy marsh boggy marshes adults males single lonely only solo one lone heads parading parade parades seducing courtship behaviours seduce attractive seduction portraits black grouses lyrurus tetrix cocks rooster roosters least concern species with nobody tetrao tetrix lyrurus tetrix