Midwest · Mississippi Flyway
American Tree Sparrow in Illinois
Spizelloides arborea — Passerellidae
About American Tree Sparrow in Illinois
American Tree Sparrow is a North American backyard bird.
In Illinois, this species is classified as common. It is primarily a winter visitor to Illinois. The best months to observe this bird are January, February, March, April, October, November, December. Peak activity occurs in January, February, March, November, December.
Monthly Activity — American Tree Sparrow in Illinois
Relative frequency of observations by month. Higher bars indicate peak periods for this species.
Identification
Best Time to See American Tree Sparrow in Illinois
Other birds in Illinois
Birds you might also encounter in Illinois.
American Tree Sparrow in other states
American Tree Sparrow in Illinois: Quick Facts
The American Tree Sparrow (Spizelloides arborea) is a common bird in Illinois. It is classified as a winter visitor in the state, falling within the Midwest region and the Mississippi Flyway migration corridor.
The best months to spot this species in Illinois are January, February, March, April, October, November, December. For birders in Chicago and throughout Illinois, knowing the seasonal patterns of American Tree Sparrow can help plan birding trips and backyard feeding strategies.
Use the monthly activity chart above to plan your birding outings, and explore other bird species found in Illinois using the related birds section.