1. English and Scientific names: Brown Booby Sula leucogaster

2. Number of individuals, sexes, ages, general plumage (e.g., 2 in alternate plumage): 1 adult

3. Locality: Parish:  Plaquemines

   Specific Locality: Mississippi River South of Venice

4. Date(s) when observed: 08/31/2013

5. Time(s) of day when observed: ~0745

6. Reporting observer and address: Dan O’Malley Baton Rouge

7. Other observers accompanying reporter who also identified the bird(s): Erik Johnson, David Muth, Phillip Wallace

8. Other observers who independently identified the bird(s): Erik Johnson, David Muth, Phillip Wallace

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.

10. Optical equipment (type, power, condition): Eagle Optics Ranger 8X42, good.

11. Distance to bird(s): 40 meters at closest

12. Duration of observation: ~2 minutes

13. Habitat: Extreme lower Mississippi River

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.

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.

16. Voice:

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.

18. Photographs or tape recordings obtained? (by whom? attached?): Yes Dan O’Malley


19. Previous experience with this species: None

20. Identification aids: (list books, illustrations, other birders, etc. used in identification):

a. at time of observation:

b. after observation: Sibley’s

21. This description is written from: _____ notes made during the observation (_____notes attached?);_____notes made after the observation (date:_____); ___x__memory.

22. Are you positive of your identification if not, explain: Yes

23. Date:__09/03/2013________Time:____0745___

24. May the LBRC have permission to display this report or
portions of this report on its website? ______________Yes__________

If yes, may we include your name with the report? ______Yes____________


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