American Dipper bird wading through river rapids looking for food

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