Based on 5,595 research-grade iNaturalist observations in Colorado, House Finch is most often recorded in May; in Colorado it behaves like a year-round resident. It ranks #8 among birds recorded in the state in our data.
Haemorhous mexicanus
House Finch 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 May
Red-winged Blackbird
Canada Goose

Mallard

American Robin
Black-billed Magpie
Bullock's Oriole

Spotted Towhee

Great Blue Heron
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 House Finch appear in Colorado?
Mainly April–March, with the most records in May.
How common is House Finch in Colorado?
It ranks #8 by number of iNaturalist observations among birds in Colorado (5,595 records in our sample).