Date: 5/17/13 8:00 am
From: Gail B. Mackiernan %<3Ckatahdinss...>%3E <katahdinss...>
Subject: [MDBirding] Upper NW Branch/Trolley Museum today
Hi all,

A trip up to the area surrounding the new Trolley Museum building always proves good for "old-field" birds although incursion by invasive Bradford Pears threatens this important habitat, rare in lower Montgomery Co. I did the breeding bird atlas here in the '80s as well as the more recent effort, and while there has been a gradual loss of species -- e.g. Meadowlark, Bobwhite and Pheasant have been gone for a long time -- it still looks promising for a rarity. Only a modest investment in invasive tree removal could ensure this area remains good for birds for the future. It is especially good for sparrows in autumn.

Most interesting today were several pairs of Brown Thrashers, 4 Bobolinks, a singing Blue Grosbeak and good numbers of Yellow Warblers, Yellowthroats and both Orioles. No sign yet of the usual Willow Flycatchers at the retention ponds, nor any sign of last year's Chats. Will keep checking. One warning to anyone going up there -- *very* ticky!

Gail Mackiernan and Barry Cooper
Colesville, MD

Birds of interest:

Red-shouldered Hawk 2
Red-tailed Hawk 1
Chimney Swift 3
Acadian Flycatcher 1
Great Crested Flycatcher 2
Eastern Kingbird 2
White-eyed Vireo 2
Red-eyed Vireo 2
Blue Jay 16 14 were in one fly-over flock heading NE
Tree Swallow 2
House Wren 1
Blue-gray Gnatcatcher 1
Wood Thrush 1
Gray Catbird 3
Northern Mockingbird 4
Brown Thrasher 5 2 pairs and one singing male at widely separated locations
Cedar Waxwing 4
Common Yellowthroat 4
Yellow Warbler 8
Eastern Towhee 3
Chipping Sparrow 2
Field Sparrow 2
Song Sparrow 12
Scarlet Tanager 1
Blue Grosbeak 1 singing male
Indigo Bunting 4
Bobolink 4 all females
Red-winged Blackbird 12
Orchard Oriole 6
Baltimore Oriole 2


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