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.

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 ...

Ornithologists recognize dozens of subspecies of these adaptable birds. Learn how to identify a chipping sparrow. Meet the white-crowned sparrow and white-throated sparrow. This bird constructs a ...