WILSON'S WARBLER
Wilsonia pusilla pusilla. [Case 8], Figs. 73, 74
The female usually lacks the black cap, when she resembles the female Hooded, but is smaller and has no white in the tail. L. 5.
Range. Nests from northern New England and northern Minnesota northward; winters in the tropics.
Washington, rather common T.V., May 1-26; Aug. 27-Oct. 6. Ossining, tolerably common T.V., May 9-30; Aug. 10-Sept. 9. Cambridge, common T.V., May 12-25; uncommon, Sept. 5-20. N. Ohio, tolerably common T.V., May 5-June 2; Sept. 5-15. Glen Ellyn, not common T.V., May 7-June 26; Aug. 16-Sept. 21. SE. Minn., common T.V., May 2-; Aug. 23-Sept. 27.
Wilson's Warbler, a flycatching Warbler of the lower growth, favors bushes near water, but is also found in dryer places. Thayer in "Warblers of North America" says that its "song has much of the ringing clarity of the Canada's and Hooded's songs." It nests on the ground, laying 4 eggs, usually with a wreath of spots at the larger end, early in June.
CANADIAN WARBLER
Wilsonia canadensis. [Case 8], Fig. 53
Above gray, no white in wings or tail; breast with a necklace of black spots, paler and less numerous in the female. L. 5½.
Range. Nests from Massachusetts and central Minnesota northward, south in the mountains to Tennessee ; winters in the tropics.
Washington, very common T.V., May 5-June 2; July 31-Sept. 25. Ossining, common T.V., May 6-June 2; Aug. 10-Oct. 11. Cambridge, common, May 12-30, rare, Sept. 1-15; rare S.R. N. Ohio, common T.V., Apl. 28-May 27; Sept. 1-18. Glen Ellyn, common T.V., May 5-June 6; Aug. 15-Sept. 22. SE. Minn., common T.V., May 8-; Aug. 18-Sept. 5.
The Canadian Warbler haunts the lower growth of deciduous forests. It is "a sprightly, wide-awake, fly-snapping Warbler, vivid in movement and in song" (Thayer). "The song is liquid, uncertain, varied, bright and sweet" (Farwell). It nests on the ground early in June, laying 4-5 eggs much like those of Wilson's Warbler.