American dipper (Cinclus mexicanus) standing still in frothy water. Bird almost constantly bobs up and down doing knee bends. Feeds underwater.

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Size: 4896px × 3264px
Location: Giant Springs State Park near Great Falls, MT
Photo credit: © Craig Larcom / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., animalia, aquatic, aves, bobbing, chordata, cinclidae, cinclus, dipper, fast, fast-flowing, feeder, habitat, mexicanus, ouzel, passeriformes, rocky, songbird, streams, underwater, water