Silhouette of American Dipper bird dipping on wet river rocks

water ouzel american dipper ouzel cinclus mexicanus dipper cinclus beak wildlife stream bird avian british columbia plumage passerine bobbing birdwatching ornithology creek aquatic songbird water animal rapids atnarko hunt eat river feed bella coola rock nature shallow stone plump flow fat wild dip riffles feather wet belarko food chunky black silhouette monochrome current outdoor