Michael G Harvey
18 Aug 2009
- NE of Chatham; South Beach; bay side 3 km N of juncture with South Monomoy Island
- 41.6145 -69.9757
- Brackish Shoreline
- NAGRA ARES-BB+
- Telinga Pro 6
Weather: Sunny, hazy, strong south wind, falling tide.
Open mud flats with scattered grass (pres. Spartina) tussocks bordering shallow bay; also 1 Chlidonias niger in flock. Flock of 200-250 S. hirundo and 50+ S. dougallii resting on flats, birds occasionally arriving to and departing from flock, at which point they would generally call repeatedly.