Male Black grouse on their springtime lek showing one bird mating with a single female in a frenzy of flapping wings

black grouse nature wildlife spring lek bird game wild grouse morning male birdwatching ornithology cock sunrise lekking fauna animal mating feather springtime birding wilderness early eyebrow action season background beak tetrao tetrix gorgeous mating season blackgame hunt plumage display mating call breeding blackcock environment birds flight leksite game bird lyrurus tetrix fighting birds early morning natural habitat courting