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

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.

The Fish and Wildlife Service identified the sparrow as needing protection in 2019, but has yet to take action. Sea-level rise, as well as historic losses and degradation of salt marsh habitat, are ...