LOUISIANA BIRD RECORDS COMMITTEE
REPORT FORM
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1. English and Scientific names: Brown-crested Flycatcher
(Myiarchus tyrannulus) |
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2. Number of individuals, sexes, ages, general plumage
(e.g., 2 in alternate plumage): One adult, possibly of subspecies magister |
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3. Locality: Parish:
Plaquemines |
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Specific
Locality: Diamond |
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4. Date(s) when observed: 27 December 2012 |
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5. Time(s) of day when observed: 9:30-10:20 a.m. |
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6. Reporting observer and address: Phillip Wallace
New Orleans, LA 70125 |
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7. Other observers accompanying reporter who also identified
the bird(s): David Muth |
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8. Other observers who independently identified the
bird(s): |
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9. Light conditions (position of bird in relation to shade
and to direction and amount of light): Good |
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10. Optical equipment (type, power, condition): Eagle
10x40 binoculars |
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11. Distance to bird(s): 5-10 m |
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12. Duration of observation: 10 minutes |
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13. Habitat: Wood copse adjacent to Mississippi River
levee with tallow, hackberry, mulberry scrub. |
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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): Perching,
peering, flycatching, calling. |
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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):
Myiarchus with fairly bright yellow belly, gray breast, and pale gray throat.
Brownish-olive back and crown, dark brown wings with 2 whitish wingbars. Very
long, wide, and deep all-dark bill. Gray face. Rufous in spread tail extends
to tail tip. |
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16. Voice: In response to BCFL tape, responded with
partial song (whit-will-do) and loud “whit” call notes. |
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17. Similar species (include how they were eliminated by
your observation): Bill size and paler coloration plus tertial edgings
eliminate Great-crested, which is absent in winter. Closest contender is
Ash-throated, which is eliminated by rectrix pattern and voice. |
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18. Photographs or tape recordings obtained? (by whom? attached?): Photos by Wallace submitted with this
report. |
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19. Previous experience with this species: I’ve seen on
several trips out west and have seen several times in LA. This is the 5th
winter the species has been at this location. |
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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: |
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b. after observation: Pyle and
myiarchus article by Cardiff and Dittmann for subspecies. |
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21. This description is written from: Notes made the afternoon of the observation and photos. |
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22. Are you positive of your identification if not,
explain: Yes. |
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23. Date: 28 December 2012
Time: 5:00 p.m. |
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