wilsonia (for Alexander Wilson) canadensis (of Canada)
Wednesday, May 21, 1980 — 4:15 pm
Barrington, Illinois — Crabtree Nature Center
I hung around Crabtree for much of the afternoon. I was walking along the path through the woods next to Bulrush Pond. I came upon another small wave of warblers. This Canada Warbler was foraging in the wave.