OF VIRGINIA 317 
[G86]. Wilsonia canadensis (Linneus). Canada 
Warbler. 
Rance,—KEastern North America. Breeds in the 
Canadian zone and casually in the Transition from central 
Alberta, southern Keewatin, northern Ontario, northern 
Quebec, and Newfoundland south to central Minnesota, 
central Michigan, southern Ontario, central New York, 
and Massachusetts, and along the Alleghenies to North 
Carolina and Tennessee; winters in Ecuador and Peru, 
and casually to Guatemala; in migration to eastern 
Mexico (Puebla and Tamaulipas) ; casual in Colorado. 
May 1st to 5th finds these warblers passing northward, 
one of the latest of the warbler family to reach us from 
the south. They do not breed with us except in the 
highest mountains or Canadian zone, and then not 
abundantly. They migrate southward early in September. 
Like the Kentucky and Hooded Warblers, they are a bird 
of the lower foliage, gathering their food of beetles, 
mosquitoes, small caterpillars, flies, grubs, spiders, and 
other insects, seldom above fifteen feet, in the breeding 
season. The nests are rather bulky affairs, resembling 
those of the Kentucky Warbler, of dry leaves, weed stems, 
strips of bark, moss, and lined with fine grass, or fine 
rootlets. Fresh eggs May 25th to June 5th, four to five 
in number, a dull glossy-white, specked and_ blotched, 
mostly on the larger end, with reddish-brown, and under- 
markings of lavender. Size, .67x.50. Probably only one 
brood a season. They are experts at concealing their 
nests, placing them on or near the ground, in some thick 
clump of ferns, root sprouts, or bank, and usually near 
wet or swampy ground. Nesting as they do in such high 
