Audubon's Shearwaters, vicinity of Veatch's Canyon, MA - August 23rd.

Nice view of the dark undertail coverts.




Image selection from about four Audubon's Shearwaters seen on the most recent BBC Extreme pelagic, all of the identified birds coming from the mid-to-late afternoon period. A fifth bird seen earlier in the day went down as an unidentified small black-and-white shearwater.