LOUISIANA BIRD RECORDS COMMITTEE
REPORT FORM
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1. English and Scientific names: Black-throated Gray Warbler, Setophaga nigrescens |
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2. Number of individuals, sexes, ages, general plumage (e.g., 2 in alternate plumage): |
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3. Locality: Parish: _Jefferson______________________________________ |
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Specific Locality: __Landry-Leblanc tract (Sureway Woods), Grand Isle________ |
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4. Date(s) when observed: 27 January 2014 |
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5. Time(s) of day when observed: 0900 |
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6. Reporting observer and address: Robert C. Dobbs, Lafayette, LA 70503 |
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7. Other observers accompanying reporter who also identified the bird(s): N/A |
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8. Other observers who independently identified the bird(s): This bird was likely the same observed in December 2013 (Grand Isle CBC) and may be the same bird present the previous winter (2012-13) |
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9. Light conditions (position of bird in relation to shade and to direction and amount of light): Seen both in direct sunlight above the canopy, and among shade of oak branches in the canopy |
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10. Optical equipment (type, power, condition): Swarovski 8x30 binos |
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11. Distance to bird(s): 12-18 m |
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12. Duration of observation: 7 min |
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13. Habitat: maritime live oak forest |
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14. Behavior of bird / circumstances of observation (flying, feeding, resting; include and stress habits used in identification; relate events surrounding observation): Foraging by gleaning leaves in canopy of live oaks, in mixed-spp flock including Myrtle and Orange-crowned warblers and Ruby- and Golden-crowned kinglets. |
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15. Description (include only what was actually seen, not what "should" have been seen; include if possible: total length/relative size compared to other familiar species, body bulk, shape, proportions, bill, eye, leg, and plumage characteristics. Stress features that separate it from similar species): “Dendroica”-type warbler in shape/structure and behavior. Coal-gray/blackish auriculars, crown, nape and back, contrasting with white supercilium, submoustachial/malar area, and throat; small yellow supraloral spot; coal-gray/blackish wings except for two bold white wingbars; coal-gray/blackish streaking on sides contrasting with white underparts; white outer tail feathers |
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16. Voice: Not vocal |
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17. Similar species (include how they were eliminated by your observation): Townsend's Warbler has yellow supercilium, submalar, throat, and breast ground color. Black-and-white Warbler has white stripes on back, white central crown stripe, and lacks yellow supraloral spot. Black-and-white Warbler also forages nearly exclusively on bark surfaces (unlike this bird). |
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18. Photographs or tape recordings obtained? (by whom? Attached?): Photos by Rob Dobbs, attached |
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19. Previous experience with this species: Extensive experience with this species in the intermountain west and southwest US, where I lived 10+ years |
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20. Identification aids: (list books, illustrations, other birders, etc. used in identification): |
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a. at time of observation: None |
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b. after observation: None |
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21. This description is written from: __X___ notes made during the observation (_____notes attached?);_____notes made after the observation (date:_____); _____memory. |
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22. Are you positive of your identification if not, explain: Yes, positive |
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23. Date:_29 January 2014_____Time:_1600 CST______ |
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One,
female-type (adult female or imm male)
