This warbler is easily recognized by its habit of "wagging its tail", leading to the sobriquet, "wagtail warbler" and "yellow tip-up". Their underparts vary from yellow to whitish buff, depending on age and geography.
Both sexes look very much alike.
"Palm Warblers" are one of the first warblers to arrive in the spring. They can be found feeding on the ground among flocks of sparrows. The species breeds across much of Canada and parts of New England, Minnesota, Wisconsin and Michigan.
Calls or song.
The songs of the male "Palm Warbler" are longish, dull trills: tsee tsee tsee tsee tsee tsee, peacie peacie peacie peacie peacie or sawee sawee sawee sawee sawee.
Population and distribution.
This warbler winters along the East, West and Gulf Coasts and in the Caribbean.
Unlike others of its species, denizens of forest canopy, the "Palm Warbler" prefers open areas with scattered trees, shrubby habitats and bogs, building its nest on the ground in a hammock often at the base of a tree. This nest is made of moss or grass, lined with feathers and rootlets, and holds four or five white eggs, blotched with brown.