Sharp tailed Grouse males birds fighting on lek as mating ritual

grouse family mating wildlife mating season courtship grouse prairie sharptail shallow focus habitat sharp tailed fire grouse long lens territory dancing ground tympanuchus phasianellus sharptailed three adult aggregation field animal male lek game bird fight battle display competitive dominance springtime low angle aggression nature engage ritual native bird behaviour lekking vegetation canada outdoors cock dance upland proving mature perform