
Based on 6,771 research-grade iNaturalist observations in Colorado, Eastern Fox Squirrel is most often recorded in April; in Colorado it behaves like a year-round resident. It ranks #4 among mammals recorded in the state in our data.
Sciurus niger
Eastern Fox Squirrel in Colorado 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 Colorado in April
Places to look in Colorado
White River National Forest
Denver Botanic Gardens
Rio Grande National Forest
National ForestSan Juan National Forest
Roxborough State Park
Mancos State Park
FAQ
When does Eastern Fox Squirrel appear in Colorado?
Mainly March–February, with the most records in April.
How common is Eastern Fox Squirrel in Colorado?
It ranks #4 by number of iNaturalist observations among mammals in Colorado (6,771 records in our sample).




