324 046 OUTER BREWSTER ISLAND, MASSACHUSETTS 



LOCATION: 

 ISLAND SIZE: 

 COLONY SIZE: 

 HABITAT: 



42° 21' N; 70°53'W 



7 



7 



Island - coastal 



NEST SUBSTRATE: Rock 



OWNERSHIP: Public- Dept. Environmental Management 



SPECIES 



Great Blk.-bk. Gull 



Herring Gull 



DATE 

 June 



June 



NESTING PAIRS 

 60 



750 



324 047 MIDDLE BREWSTER ISLAND, MASSACHUSETTS 



42° 21' N; 70° 53' W 

 5 



LOCATION: 



ISLAND SIZE: 



COLONY SIZE: 5 



HABITAT: Island - coastal 



NEST SUBSTRATE: Rock, shrubs 



OWNERSHIP: Public- Dept. Environmental Management 



SPECIES 



Blk.-cr. Night Heron 

 Great Blk.-bk. Gull 

 Herring Gull 



DATE 



April 12 

 June 1 

 June 1 



NESTING PAIRS 



20 



48 

 535 



324 048 GREAT BREWSTER ISLAND, MASSACHUSETTS 



LOCATION: 

 ISLAND SIZE: 

 COLONY SIZE: 

 HABITAT: 



42° 20' N; 70° 54' W 



7 



2 



Island - coastal 



NEST SUBSTRATE: Grass - upland 



OWNERSHIP: Public - Dept. Environmental Management 



SPECIES 



Great Blk.-bk. Gul 

 Herring Gull 



DATE 



June 1 

 June 1 



NESTING PAIRS 



17 

 130 



INVENTORY METHOD 



Adult estimate - air & 

 nest count (sample) 

 Adult estimate - air & 

 nest count (sample) 



INVENTORY METHOD 



Nest estimate - sample 

 Adult estimate - air 

 Adult estimate - air 



INVENTORY METHOD 



Adult estimate- air 

 Adult estimate - air 



245 



