: mid Jun-late Jul, usually over water where foraging or on barren mountain tops, the likely nesting location. First confirmed breeding record Mount Desert, July 31-Aug 1, 2022.
: mid/late May to early Jun and early Aug-mid Sep, except for a brief period mid-late Aug when , and with to early Oct.
Miscellany: Common Nighthawk has declined noticeably in the last 50 years but it's still possible for a brief period in the early fall to see twisting flocks of 10-20 birds moving rapidly west in late afternoon/early evening just over the treetops.
Last Reviewed: June 1st, 2026