Chipping Sparrows vary across their extensive North American range. There is minor geographic variation in appearance, and there is significant geographic variation in behavior. Ornithologists often divide the chipping sparrow into two major groups: the eastern chipping sparrow and the western chipping sparrow. However, there is additional plumage and behavioral variation within the western group.
Palm Warblers forage on the ground much more than other warblers, sometimes flying to catch insects. These birds mainly eat insects and berries. Their constant tail bobbing is an identifying characteristic. Kirtland’s prairie, and palm warblers are the only Setophaga species that incessantly bob their tails.