Two Sharp-tailed grouse battle on lek, part of mating ritual

courtship behavior prairie chicken courtship mating dance courting display wildlife mating ritual short tail grouse territorial fire grouse animal behaviour galliformes nature conservation prairie sharptail rattle tail feathers grassland bird behaviour aves animalia small game saskatchewan competing sharptailed territory gamebird ornithology birdwatching phasianidae lekking species battle bird watching lek tetraonidae tympanuchus phasianellus wild nature competitive chickenlike fighting springtime dominance display vigour north america performance canada capercaillie tympanuchus