The American tree sparrow often occurs in flocks of up to 50 birds. In habitat and behavior, they are much like field sparrows, but American tree sparrows are more frequent at bird feeders.

Native plants and an overall welcoming habitat can also create the opportunity ... can result in a major increase in sparrow ...

American tree sparrows are very common visitors at ... Discover fascinating sparrow facts you should know. White-throated sparrows are another common visitor at ground bird feeders and seed ...