: Breeds. and but increasing May-Aug on Petit Manan Island and nearby Green Island where regularly seen from the visiting Bar Harbor whalewatch boats. Also nested 2019 on Trumpet Island in lower Blue Hill Bay.
: mid/late April-mid May and again mid Sep-mid Oct with to late November. Most likely to be encountered on the southmost peninsulas and .
Miscellany: One of the 2015 Green Island pair was banded elsewhere and the band number read with a telescope. It had been banded initially as a nestling in 2006 on Nantucket, MA, and was sighted again in 2014 near Charleston, SC.
American Oystercatcher is one of the few birds that feeds on salt-water bivalve mollusks. They're efficient too; one of the Green Island birds was seen to extract the meat from a mussel in about three seconds.
Last Updated: May 31st, 2022