Based on 12,331 research-grade iNaturalist observations in Oregon, Mallard is most often recorded in April; in Oregon it behaves like a year-round resident. It ranks #1 among birds recorded in the state in our data.
Anas platyrhynchos
Mallard 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 April
Canada Goose
American Robin
White-crowned Sparrow
Red-winged Blackbird
Song Sparrow
Bald Eagle
Dark-eyed Junco
Golden-crowned 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 Mallard appear in Oregon?
Mainly March–February, with the most records in April.
How common is Mallard in Oregon?
It ranks #1 by number of iNaturalist observations among birds in Oregon (12,331 records in our sample).