
Based on 3,894 research-grade iNaturalist observations in Colorado, Bighorn Sheep is most often recorded in July; in Colorado it behaves like a seasonal. It ranks #8 among mammals recorded in the state in our data.
Ovis canadensis
Bighorn Sheep 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 July

Mule Deer
Common Golden-mantled Ground Squirrel

Yellow-bellied Marmot
Moose

Wapiti
American Pika

Black-tailed Prairie Dog

Mountain Goat
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 Bighorn Sheep appear in Colorado?
Mainly March–October, with the most records in July.
How common is Bighorn Sheep in Colorado?
It ranks #8 by number of iNaturalist observations among mammals in Colorado (3,894 records in our sample).