[SBB] Common Mergansers at Lexington Res.

[Ginger Langdon-Lassagne <[[email protected]]>]

At 2:30pm on Sunday (2/25) Barry Langdon-Lassagne and I made a quick  
stop at Lexington Reservoir to look for anything interesting. It was  
raining lightly and the temperature was in the upper 50's. Signs of  
spring's approach were everywhere.

On the lake itself, a large flock of COMMON MERGANSERS were moving  
together across the water and actively feeding. We counted sixty or  
more total birds on several different occasions, although the  
constant diving made precise counting difficult. Our smallest count  
was 58 mergansers at the surface at one time; the highest number was  
64. The flock was primarily female/juvenile plumage individuals with  
reddish heads, grey flanks and white throat patch. Some of these had  
minor crests while others were more rounded. Of the approximately  
sixty birds, ten were wearing male alternate plumage (deep green  
heads, white breast & flanks, dark upper backs) with six of those  
having intensely red bills that seemed to nearly glow in the dim  
light of the misty rain.

EARED GREBES were also plentiful on the lake, some coming into  
alternate plumage already. Two female BUFFLEHEAD were also sighted.  
An OSPREY was heard but never seen. There were the expected VARIED  
THRUSH (1 male, 2 females, and 2 more seen without gender ID). One  
male was singing for us beautifully.

Good birding,
Ginger Langdon-Lassagne
Sunnyvale

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