Male Sharp-tailed Grouse plumps feathers on cold breezy morning, CU

animal bird grouse feather plump breeze closeup male sharptail plumage prairie lek plain display tail sharp tail wildlife avian nature outdoor dance mating flock season ground fowl meadow ritual ornithology bird watching wild tympanuchus phasianellus tympanuchus phasianellus mottled prairie chicken courtship behaviour behavior grass breed fight dominance coo lekking ground grassland close up