Common summer resident
May - September
Irregular common summer resident; arrives April 27, May 2, 6) 10, departs October 4. —Bagg & Eliot
April - October
Arrives late April–mid-May, departs September–October. —Mass Audubon
April - October
—H.L. Clark, 1887
Local numbers rise and fall as birds move around in response to caterpillar outbreaks. Surveys suggest no major change in overall population in North America.*