The Eastern Meadowlark is threatened in New Hampshire. Populations of most grassland birds are in strong decline across the Northeast. Eastern Meadowlarks breed in a variety of grassland habitats, including natural grasslands, hayfields, pastures, abandoned grassy fields, and airports. Because it often nests in hayfields, the nests can be destroyed by mowing. One of the best known birds of farmlands it has a clear mellow whistle and cheerful song.