
Based on 2,476 research-grade iNaturalist observations in Oregon, Barn Swallow is most often recorded in May; in Oregon it behaves like a summer visitor / breeder. It ranks #51 among birds recorded in the state in our data.
Hirundo rustica
Barn Swallow 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
Mount Hood National Forest
National ForestDeschutes National Forest
Hoyt Arboretum
Leach Botanical Garden
Umatilla National Forest
FAQ
When does Barn Swallow appear in Oregon?
Mainly April–August, with the most records in May.
How common is Barn Swallow in Oregon?
It ranks #51 by number of iNaturalist observations among birds in Oregon (2,476 records in our sample).