Summer
/Migration: Non-breeder.
Uncommon
to
fairly common
offshore
late May-early Sep with a peak late Jul-late Aug and
outliers
to mid Sep. Species
probably
occurs
offshore
from early May and to mid Oct. Numbers depend on seasonally and annually variable food supplies.
Rare
from Schoodic Point and undocumented from MDI.
Miscellany: Bar Harbor whale watch vessels with
offshore
itineraries visit the best Sooty Shearwater areas.