Common Merganser
Mergus merganser
Common mergansers observed on the Deschutes River along the Steelhead Falls Trail downstream of Steelhead Falls, Deschutes Canyon-Steelhead Falls Wilderness Study Area (BLM).......April 25, 2018.
Juvenile common mergansers on Rock Lake, Indian Heaven Wilderness........August 20, 2024.
Paul Slichter