Black grouse (Lyrurus tetrix) fights at dawn in a peat bog, Finland

tetrao tetrix lyrurus tetrix peat bog hoarfrost spring winter sunrise adult flap wings posing fight to shout courtship behaviour profile shot overview backlighting chill finland pink morning pair one on one black grouse lyrurus tetrix lyrurus breath cock lek mating arena call nobody peat bogs boggy marsh boggy marshes hoar frosts hoarfrosts hoar frost sunrises adults flapping wings flaps wings flutter posed pose settlings settling fighting disputed dispute disputing fighters fighter be in confrontation being in confrontation facing confrontation confrontations necking fights shouts shouting exclaims exclaim exclaiming parading parade parades seducing courtship behaviours seduce attractive seduction profile sights profile sight profile shots profile view profile views side view overviews global sight global sights full length backlightings backlit chilly icy cold as ice cold dawn daybreak daybreaks mornings day rise cockcrow duet pairs duets 2 two face to face black grouses lyrurus tetrix breaths cocks rooster roosters least concern species calls with nobody freshwater wetland area area frost meteorological phenomenon meteorology science temperate season seasons ambiance sun space stage of development individual locomotion motion behavior vocal communication sound communication communicate social behaviour reproductive behaviour shot light effect european union europe colour twilight enumeration grouse tetras gallinacean bird sauropsid vertebrate chordate wild animal animal tetraonidae galliformes aves sauropsida tetrapoda tetrapodomorpha rhipidistia sarcopterygii euteleostomi gnathostomata vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota morphology zoology morphology organism male species