Based on 1,980 research-grade iNaturalist observations in Oregon, American White Pelican is most often recorded in September; in Oregon it behaves like a summer visitor / breeder. It ranks #68 among birds recorded in the state in our data.
Pelecanus erythrorhynchos
American White Pelican 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 September

Mallard

Great Blue Heron

Turkey Vulture
California Scrub-Jay

Steller's Jay

Red-tailed Hawk

American Crow

Northern Flicker
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 American White Pelican appear in Oregon?
Mainly April–October, with the most records in September.
How common is American White Pelican in Oregon?
It ranks #68 by number of iNaturalist observations among birds in Oregon (1,980 records in our sample).