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Summary: Winter of 2008 - 2009

This data was gathered by eleven separate parties censusing
seven designated regions of Boston Harbor.
All observations were from land.

Starting with the 20 November 2005 census, TASL data is presented in the new AOU checklist order. See The A.O.U. Check-list of North American Birds, Seventh Edition, incorporating changes made in the 42nd, 43rd, 44th, 45th, and 46th Supplements .


Each column head links to the census sheet for that date.

Species 2008.11.23 2009.01.25 2009.02.08
Brant  743  254  809 
Canada Goose  1241  959  522 
Mute Swan 
American Black Duck  525  497  720 
Mallard  185  188  288 
Green-winged Teal     
Ruddy Duck     
Gadwall     
Widgeon     
Ring-necked Duck     
Greater Scaup  549  384  1759 
King Eider     
Common Eider  2570  3119  2949 
Surf Scoter  527  502  587 
White-winged Scoter  921  1043  1048 
Black Scoter  24  13  17 
scoter sp  63  32  124 
Long-tailed Duck  27  65  33 
Bufflehead  1299  1513  1103 
Common Goldeneye  92  419  429 
Barrow's Goldeneye   
Hooded Merganser  23   
Common Merganser      18 
Red-breasted Merganser  636  356  441 
duck sp.  100     
Red-throated Loon  49  11  11 
Common Loon  29  20  12 
Horned Grebe  139  60  79 
Red-necked Grebe  36  16 
Double-crested Cormorant  30     
Great Cormorant  23 
Great Blue Heron     
Black-crowned Night-Heron     
Bald Eagle     
Northern Harrier   
Cooper's Hawk 
Sharp-shinned Hawk 
Accipiter sp.     
Red-tailed Hawk 
Merlin 
Peregrine Falcon 
Black-bellied Plover     
Ruddy Turnstone 
Purple Sandpiper  31   
Dunlin 
Sanderling   
Bonaparte's Gull     
Iceland Gull     
Black Guillemot 
Common Murre (dead)     
Snowy Owl   
Snow Bunting  98  12  60 
Horned Lark     
Lapland Longspur     
Eastern Meadowlark     
Small shorebird spp  15     
Yellow-breasted Chat     
White-winged Crossbill     
Common Yellowthroat     
Harbor Seal 
Weather  Partly cloudy  Partly cloudy  Mostly cloudy 
Wind  W 15 - 20 mph
(25 - 40 kph) 
W 10 - 15 mph
(16 - 25 kph) 
W 5 - 20 mph
(8 - 32 kph)
windy after 10 AM 
Temperature  24° to 32°F
(-5° to 0°C) 
10° - 23°F
(-12° to -5°C) 
40° - 45°F
(4° to 7°C) 
High tide  8 AM  10:30 AM  9:36 AM 
Visibility  Good  Good  Good 
Seas  Moderate  Calm to moderate  Calm early
choppy after 10 AM 
Party hours  35.75  37  35.25 


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Last Update: 2009.09.24
Compiler: Maury Hall
Email: szendeh@rcn.com