I led my waterfowl class on a field trip to Sauvie Island and Dawson Creek. We had a few big misses (Gadwall and Wood Duck) but the diversity was pretty good.
Westmoreland Park, in southeast Portland, is always worth a quick visit in winter.
Westmoreland is also a good spot for studying the various subspecies of the white-cheeked goose complex. This is a Taverner’s Cackling Goose, identified by her medium bill (covered in down for some reason), blocky head, and pale breast.
Western Canada Goose bathing
Here are some random shots of some of the many waterfowl species that winter in the Willamette Valley