look a bit like native North American species such as chipping sparrows (Spizella passerina), they aren't closely related. These invasive and aggressive birds can spell trouble in your yard ...

Now, some bird organizations list the chipping sparrow as breeding in the eastern half of Oklahoma, which includes the Ada area. Others list it as breeding only in the eastern fifth of the state.

Each year thousands of people across the country and throughout the world count birds during the four-day Great Backyard Bird ...

At that season it is frequently mistaken for the chipping sparrow, but the 2 rarely overlap in winter. The American tree sparrow often occurs in flocks of up to 50 birds. In habitat and behavior ...

University of Massachusetts Amherst graduate student Sarah Goodwin and her advisor, Jeffrey Podos, played chipping sparrow songs on loud speakers near a fake sparrow rival. They found that male birds ...