Black Grouse on their lekking site with hazy North Pennine hills in background

black grouse lekking lek nature displays wildlife spring bird shooting sustainable heather game grouse north pennines birdwatching springtime birding background birds tetrao tetrix plumage breeding environment game bird natural habitat hunting moor conservation concern biodiversity natural environment guns shoot habitat display courting ritual wildlife spectacles strut comical jump fly black cock fanned tails field sports wings early morning dance displaying dawn