_Dendroica pensylvanica. Case 8, Figs. 43, 44_
Adults are distinguished by their chestnut sides,
yellow crown and wing-bars, but the young are
wholly different, silky white below, yellowish
green above. L. 5-1/2.
_Range._ Nests from northern New Jersey and, in
the Alleghanies, South Carolina, north to Canada;
winters in the tropics.
Washington, abundant T.V., Apl. 19-May 30; Aug.
10-Oct. 14. Ossining, tolerably common S.R., May
2-Sept. 24. Cambridge, abundant S.R., May 5-Sept.
10. N. Ohio, T.V., May 2-25. Glen Ellyn, rare
S.R., common T.V., May 1-Sept. 26. SE. Minn.,
common S.R., May 3-Sept. 15.
Scrubby second growths undergrown with bushes, roadside borders of trees
and bushes, and the brushy margins of woods are all resorts of the
Chestnut-side. Here he attracts our attention by his rather loud,
frequently uttered song, which strongly suggests that of the Yellow
Warbler. The nest is built within a few feet of the ground and the
white, brown-marked eggs are laid the latter part of May.