Northern Cardinals are year-round residents across nearly half of the United States. Their range extends from the eastern seaboard to the desert southwest, and they have been steadily expanding northward thanks to backyard feeders and warmer winters.
Cardinal Range
| Region | Status |
|---|
| Eastern US | Abundant - native range from Maine to Florida |
| Southeastern US | Most common - highest population density |
| Midwest | Common - Iowa, Ohio, Indiana, Illinois |
| Texas | Common throughout the state |
| Southwest | Present in southern New Mexico and eastern Arizona |
| Southern California | Introduced population, present year-round |
| Southeastern Canada | Expanding range - now regular in Ontario and Quebec |
| Mexico and Central America | Native range extends through much of Mexico |
Where Cardinals Are NOT Found
| Region | Notes |
|---|
| Pacific Northwest | No records in Washington, Oregon, or Idaho |
| Mountain West | Rare vagrants in Utah, Nevada, Colorado |
| Northern Canada | Too far north - limited food and harsh conditions |
| Europe | Not found - entirely a New World species |
Preferred Habitats
| Habitat | Why cardinals like it |
|---|
| Woodland edges | Mix of trees for cover and open areas for foraging |
| Suburban gardens | Bird feeders, ornamental shrubs, good cover |
| Dense thickets | Nesting protection and predator shelter |
| Hedgerows | Travel corridors between feeding and nesting sites |
| City parks | Trees, shrubs, and supplemental food from people |
| Desert scrub | Southwest populations adapted to arid shrublands |
| Marshland edges | Dense vegetation near water |
Seasonal Behaviour
| Season | Where cardinals go |
|---|
| Spring/Summer | Breeding territories, defended aggressively by males |
| Autumn | Begin forming small flocks, range slightly |
| Winter | Stay in same territory, roost in dense evergreens |
| Night | Dense shrubs, thick foliage, sometimes tree cavities |
Why Cardinals Have Expanded North
| Factor | How it helps |
|---|
| Backyard feeders | Reliable winter food source |
| Warmer winters | Climate change extending survivable range |
| Suburban development | Creates edge habitat cardinals prefer |
| Non-migratory nature | Once established, they stay year-round |
Cardinals are state bird of seven US states - more than any other species. Their range has expanded significantly over the past century, driven by the popularity of backyard bird feeding. Where feeders provide consistent winter food, cardinals can now survive in areas that were historically too cold for year-round residence.