
Based on 6,229 research-grade iNaturalist observations in Oregon, Mule Deer is most often recorded in July; in Oregon it behaves like a year-round resident. It ranks #1 among mammals recorded in the state in our data.
Odocoileus hemionus
Mule Deer 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 July
Common Golden-mantled Ground Squirrel

Douglas's Ground Squirrel
Douglas's Squirrel

Townsend's Chipmunk

Wapiti

Common Raccoon

Coypu
Coyote
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 Mule Deer appear in Oregon?
Mainly June–May, with the most records in July.
How common is Mule Deer in Oregon?
It ranks #1 by number of iNaturalist observations among mammals in Oregon (6,229 records in our sample).