Based on 7,287 research-grade iNaturalist observations in Colorado, Common Golden-mantled Ground Squirrel is most often recorded in July; in Colorado it behaves like a summer visitor / breeder. It ranks #3 among mammals recorded in the state in our data.
Callospermophilus lateralis
Common Golden-mantled Ground 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 July
Mule Deer
Yellow-bellied Marmot
Moose
Wapiti
American Pika
Black-tailed Prairie Dog
Bighorn Sheep
Mountain Goat
Places to look in Colorado
National ForestWhite River National Forest
Botanical GardenDenver Botanic Gardens
National ForestRio Grande National Forest
National ForestSan Juan National Forest
State ParkRoxborough State Park
State ParkMancos State Park
FAQ
When does Common Golden-mantled Ground Squirrel appear in Colorado?
Mainly June–August, with the most records in July.
How common is Common Golden-mantled Ground Squirrel in Colorado?
It ranks #3 by number of iNaturalist observations among mammals in Colorado (7,287 records in our sample).