Peacock shakes feathers and closed tail lying on tiled floor at garden, Cecilio Rodriguez, in Retiro Park, Madrid

peacock peafowl peacock train covert feathers avian ocellated feathers plumage display feathers bird ocellated tail coverts cecilio rodriguez garden feather oviparous ornithology phasianidae tiled floor retiro plumes tail male tile pavonini animal ocelli phasianinae tiled retiro park wing garden cecilio rodriguez colouration iridescent sexual dimorphism structural colouration madrid barbules barb vibrant colorful eyespots