nycticorax immature bird disguised as streamside rocks

alert animal autumn backdrop barely bird blackcrowned blending brown camouflage camouflaged color creek disguise disguised ducks enhancing environment eyes feathers fishing flower habitat heron immature indistinguishable juvenile making marsh movements nature night nycticorax perceptible perch plumage predator reflection resembling river rocks rocky seamlessly shoreline standing stealth still stones streaked stream streamside subtle surrounding texture undefined wading water waterbird waterfowl wetland white wilderness wildlife wings