Based on 2,843 research-grade iNaturalist observations in Oregon, Gadwall is most often recorded in May; in Oregon it behaves like a spring and fall migrant. It ranks #44 among birds recorded in the state in our data.
Mareca strepera
Gadwall in Oregon by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in Oregon in May
Mallard
American Robin
Canada Goose
Black-headed Grosbeak
Red-winged Blackbird
Bald Eagle
Great Blue Heron
Song Sparrow
Places to look in Oregon
National ForestWillamette National Forest
National ForestMount Hood National Forest
National ForestDeschutes National Forest
Botanical GardenHoyt Arboretum
Botanical GardenLeach Botanical Garden
National ForestUmatilla National Forest
FAQ
When does Gadwall appear in Oregon?
Mainly September–June, with the most records in May.
How common is Gadwall in Oregon?
It ranks #44 by number of iNaturalist observations among birds in Oregon (2,843 records in our sample).