English and Scientific names:

Black-throated Gray Warbler (Dendroica nigrescens)

Number of individuals: 

3 individuals; 2 immature females and one male (apparently adult)

Locality: LOUISIANA: 

Plaquemines Parish

Specific Locality:

A. First female - approximately 1 mile upriver from Ft. Jackson, across Hwy. 23. B. Male - In big woods immediately downriver from Ft. Jackson. C. Second female - Triumph (Morrell's) Woods, approximately 2 miles upriver from Ft. Jackson.

Date(s) when observed:

A. Discovered by Dan Purrington on 16 December, 2007. Relocated by Purrington and Christie Riehl on 30 December, 2007 B and C observed on 30 December, 2007.

Time(s) of day when observed:  

A. 12:30-1:00 p.m. B. 2:30-3:00 p.m. C. 4:00-4:05 p.m.

Reporting observer and address:

Phillip Wallace

New Orleans, LA 70125

Other observers accompanying reporter who also identified the bird(s):

Dan Purrington and Christie Riehl saw and identified all three birds. (A)was discovered by Purrington on 16 December, 2007. (B) was discovered by Wallace and Riehl, and (C) was discovered by Wallace. 

Other observers accompanying reporter who independently identified the bird(s):

None that I know of.

Light conditions (position of bird in relation to shade and to direction and amount of light):

LIght was adequate to good in all three observations, with the birds alternately in shade and light.

Optical equipment: 

Zeiss 10x40 binoculars.

Distance to bird(s): 

10-20 meters

Duration of observation:

Approximately 30 minutes for A and B and 5 minutes for C.


Live oaks.

Behavior of bird: 

Actively feeding with mixed flocks. The flock A was in included a Prairie Warbler. The flock C was in included a Black-throated Green, Yellow-throated, and Northern Parula. Some sally-gleaning by the male.


A. Warbler with white underparts with heavy black streaks on the flanks. The face showed a broad black eye patch bordered by white above and below. There was a partial black band on the upper breast extending from the shoulder toward the bill. There was a yellow supraloral spot. Upper parts were gray and there were two white wingbars. B. The male had gray upper parts and two white wingbars. It had white underparts with black streaks on the flanks. Face pattern like female described above. Had black throat patch. Showed much white in spread tail. C. Same as A above. But yellow supraloral spot not noted. 


Call note by male similar to Black-throated Green.

Similar species:

The face pattern, wingbars, and streaked white underparts eliminate all other species. Feeding behavior unlike Black-and-white; no creeping along branches. 

Photographs or tape recordings obtained?

Stills grabbed from video accompany this report. Video will be submitted to LBRC. Purrington has photos of A from 16 December and may have photos of B and C.

Previous experience with this species: 

I've seen several times out west and in LA.

Identification aids:

at time of observation:

after observation:
Sibley and "Warblers" by Dunn and Garrett.

This description is written from: 

From notes written on 31 December and video.

Are you positive of your identification? If not, explain: 




Phillip Wallace

Date and time: 

8 January, 2008 6:30 p.m.