LOUISIANA
REPORT FORM
This
form is intended as a convenience in reporting observations of species on the
Louisiana Bird Records Committee (LBRC) Review List. The LBRC recommends the
use of this form or a similar format when submitting records for review (to
assure that all pertinent information is accounted for). Attach additional
pages as necessary. Please print or type. Attach xerox of field notes,
drawings, photographs, or tape recordings, if available. Include all photos for
more obscurely marked species. When completed, mail to Secretary, Louisiana
Bird Records Committee, c/o
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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, age/sex
unknown |
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3. Locality: |
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Specific Locality: Big
Mar levee batture, nr. Braithwaite GC off LA-39, Braithwaite |
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4. Date(s) when observed:
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5. Time(s) of day when observed: ~ |
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6. Reporting observer and address: Devin
Bosler
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7. Other observers accompanying reporter who also identified
the bird(s): none |
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8. Other observers who independently identified the
bird(s): none |
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9. Light conditions (position of bird in relation to shade and to direction and amount of light): Partly cloudy sky
with fair |
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10. Optical equipment (type, power, condition): Zeiss
Victory FL 8x42, Kowa TSN 881 Angled 88mm scope w/ 20-60x optical zoom (all
equipment in excellent condition). |
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11. Distance to bird(s): within ca. 30-40 meters |
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12. Duration of observation: ~10
min. total |
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13. Habitat: Rural
residential, semi-open abandoned golf course w/ mature live oaks,
hackberry-willow-tallow batture woods, freshwater canal and other waterways,
scrubby wooded edges, marshy edges along water bodies, short-grass levees,
etc. |
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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): Actively
fly-catching from willow/tallow subcanopy in batture woods. Becoming agitated and quite vocal by
presence of nearby Eastern Phoebe (Sayornis phoebe). Generally moving west-east along batture
woods. And finally losing track of
bird while attempting to get positioned for photos. No playback available and attempts to
relocate failed. |
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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): A large Myiarchus
flycatcher, nearly twice the size of accompanying phoebe. Dark grayish-brown head, paler face, and
contrastingly pale throat. Medium gray breast sharply contrasting with bright
lemon-yellow belly and vent. Retrix
pattern not clearly visible from viewing angle. Proportionately long, heavy, all-black
bill. Dark irides. Blackish legs and feet. |
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16. Voice: A
loud, sharp ‘whip’ call, and occasionally followed by other slurred,
burry ‘burrk’ notes and complex tremulous whistles when agitated. |
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17. Similar species (include how they were eliminated by your observation): Great Crested
Flycatcher (Myiarchus crinitus) can be safely eliminated by voice and
probability of occurrence (no verified winter records for LA). Ash-throated Flycatcher (Myiarchus
cinerascens) can be eliminated by large size, and overall brightness of
plumage. |
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18. Photographs or tape recordings obtained? (by whom?
attached?): Unfortunately, no. |
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19. Previous experience with this species: Very
familiar with this species from several years of birding in s. TX (M. t.
cooperi) and multiple trips to se. AZ/ sw. NM (M. t. magister). Plus, one wintering individual at Diamond (Plaquemines
Parish) observed on |
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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:
National Geographic Complete
Birds of N.A. (Alderfer et al. 2005). |
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21. This description is written from: __Yes___ notes made during the
observation (_____notes attached?);__Yes___notes
made after the observation (date:_____); __Yes___memory. |
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22. Are you positive of your identification if not,
explain: Yes, very positive. |
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23. Signature of reporter:
Devin Bosler Date:
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24. May the LBRC have permission to display this report or
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If yes, may we include your name with the report? Yes |
