Black-thr Green gathering nest material! Either that throws out 
"gathering nest material" as a surrogate for "Nest Building" as an Atlas 
"confirmed" code, or they're expanding their range something 
considerable! Something to think about.

Gail B. Mackiernan wrote:


> Sites visited (all very birdy): Picnic area 17/18, Equitation Field, Stable, 
> Maintenance Yard, Nature Ctr, and Military Field.
> 
> Warblers:
> 
> Black-and-White (8)
> Black-throated Blue (12)
> Black-throated Green (~20) -- one female was observed gathering nesting material -- bits of fluff and feathers -- at ground level near the Maintenance Yard.
> Blackburnian (3)
> Blackpoll (2)
> Blue-winged (2) 
> Cape May (2)
> Chestnut-sided (5)
> Hooded (2)
> Magnolia (1)
> Myrtle (~150)
> Nashville (2)
> Northern Waterthrush (1)
> Ovenbird (10)
> ORANGE-CROWNED (1, seen by Clive as reported earlier)
> Parula (4)
> Palm (1, yellow)
> Redstart (8)
> Tennessee (2)
> Wilson's (1, male)
> Worm-eating (2, one seen very close singing aong horse trail)
> Yellow (1)
> Yellowthroat (4)
> 

> Gail Mackiernan and Barry Cooper
> Colesville, MD
> 
> 

-- 
Fred Fallon
PG Coordinator, MD-DC Breeding Bird Atlas
Bowie MD