LOUISIANA BIRD RECORDS COMMITTEE
REPORT FORM
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1. English and Scientific names: Brown Booby Sula leucogaster |
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2. Number of individuals, sexes, ages, general plumage
(e.g., 2 in alternate plumage): 1 adult |
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3. Locality: Parish:
Plaquemines |
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Specific
Locality: Mississippi River South of Venice |
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4. Date(s) when observed: 08/31/2013 |
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5. Time(s) of day when observed: ~0745 |
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6. Reporting observer and address: Dan O’Malley Baton
Rouge |
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7. Other observers accompanying reporter who also identified
the bird(s): Erik Johnson, David Muth, Phillip Wallace |
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8. Other observers who independently identified the
bird(s): Erik Johnson, David Muth, Phillip Wallace |
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9. Light conditions (position of bird in relation to shade
and to direction and amount of light): Sun to right of observers at ~90
degrees. Soft morning light. |
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10. Optical equipment (type, power, condition): Eagle
Optics Ranger 8X42, good. |
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11. Distance to bird(s): 40 meters at closest |
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12. Duration of observation: ~2 minutes |
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13. Habitat: Extreme lower Mississippi River |
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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): Flying upriver,
about 40 meters in altitude. Briefly banked west when the boat turned to
chase it, but then turned back to the north and continued upriver. |
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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): Immediately
identified as a Sula sp. by Erik Johnson, who called out the bird to the
group. Light colored bill. Brown hood coming down to the breast, white below
that ventrally. Solid brown on dorsal side, including rump and nape. Underside
of remiges brown, secondary coverts white. |
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16. Voice: |
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17. Similar species (include how they were eliminated by
your observation): Masked Booby (1st year) – brown hood extended
well onto breast on our bird. Also, a 1st year Masked Booby would
have had a white nape and rump, which our bird did not. |
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18. Photographs or tape recordings obtained? (by whom?
attached?): Yes Dan O’Malley |
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Attached |
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19. Previous experience with this species: None |
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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: Sibley’s |
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21. This description is written from: _____ notes made
during the observation (_____notes attached?);_____notes
made after the observation (date:_____); ___x__memory. |
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22. Are you positive of your identification if not,
explain: Yes |
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23. Date:__09/03/2013________Time:____0745___ |
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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____________ |
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