beak bird black blue close-up eye feather head peacock Accipitridae Bird of prey falconiformes Natural landscape plant water birds eyes feathers killdeer legs nature outdoors plover sand wildlife flamingo neck Nyberg Phoenicopterus red wing flightless grass grey leg rhea walk Australian black-bill black-winged-stilt carnivores carnivorous dog-bird foraging himantopus-himantopus-leucocephalus long-beaked long-legged longshanks pied-stilt red-legged reflections ripples rippling sharp-beaked sharp-bill stilt stream thin wader wading water-bird white-headed-stilt orange swan swim white