|
English
and Scientific names: |
Black-throated
Gray Warbler
(Dendroica nigrescens)
|
|
Number
of individuals: |
1 (presumably a hatch-year female) |
|
Locality:
LOUISIANA: |
Jefferson |
|
Specific
Locality: |
Grand Isle State Park, E end of Grand Isle |
|
Date(s)
when observed: |
28 October 2006 |
|
Time(s)
of day when observed: |
first discovered at 0835h, observed through 0930h |
|
Reporting
observer and address: |
Devin Bosler Baton Rouge, LA |
|
Other observers accompanying
reporter who also identified the bird(s): |
Justin Bosler, and many others |
|
Other observers who
independently identified the bird(s) |
|
|
Light conditions
(position of bird in relation to shade and to direction and amount of light): |
Overcast skies, however lighting was fairly ideal |
|
Optical
equipment: |
Nikon Monarch 8x42, Nikon Venturer LX 8x32 (both in excellent condition) |
|
Distance
to bird(s): |
less than 5 meters |
|
Duration
of observation: |
~1 hour (only visible sporadically) |
|
Habitat:
|
Dune/scrub habitat along beachfront, predominant vegetaion consisted of Wax Myrtle (most dead), Saltbox, Croton. Other various dune grasses and debris/driftwood also present. |
|
Behavior
of bird: |
actively foraging low in dune vegetation w/ several Palm Warbler |
|
Description: |
Typical Dendroica warbler shape and feeding style. Dark gray cheek with a broad white supercilium and yellow supraloral spot. Plain gray back with white wing-bars and faint streaking on flanks (slight yellowish wash on undersides). Overall drab markings in first fall female plumage. |
|
Voice: |
|
|
Similar species: |
No other strikingly similar species |
|
Photographs or tape
recordings obtained? |
video recording by Jane Patterson, file sent separately |
|
Previous experience with
this species: |
moderate experience (seen many times in TX, AZ, and ID) |
|
Identification
aids: |
after observation: consulted Peterson's Field Guides to
Warblers for sex/age classification |
|
This
description is written from: |
memory |
|
Are you positive of your
identification? If not, explain: |
yes, very positive |
|
Reporter:
|
Devin Bosler
|
|
Date
and time: |
6 November at 2150h |