LOUISIANA
REPORT FORM
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1. English and Scientific names: Iceland Gull, Larus glaucoides |
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2. Number of individuals, sexes, ages, general plumage
(e.g., 2 in alternate plumage): 1 immature in 1st Winter plumage |
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3. Locality: Parish:
Mandeville, |
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Specific
Locality: Mandeville Lakefront |
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4. Date(s) when observed: 27 November 2013 |
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5. Time(s) of day when observed: ca. 1000 and then again
later at 1320 |
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6. Reporting observer and address: James W. Beck – 100
Aurelien Loop Lot #101 Broussard, LA 70518 |
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7. Other observers accompanying reporter who also identified
the bird(s): Robert C. Dobbs, Marty Guidry |
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8. Other observers who independently identified the
bird(s): Chris Brantley, Janine Robin, Philip Wallace, others |
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9. Light conditions (position of bird in relation to shade
and to direction and amount of light): Initially found backlit, sitting on
breakwater, then flew in closer and landed directly in front of us, to where
the sun shone perfectly on it. |
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10. Optical equipment (type, power, condition): Minolta
7x50 binoculars, excellent condition, Swarovski 8.5x44 binoculars, good
condition & Swarovski scope, excellent condition |
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11. Distance to bird(s): varying – ca. from 8 feet to as
far away as ca. 35 yards |
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12. Duration of observation: 1st observation:
ca. 15-20 minutes, 2nd observation: ca. 5 minutes |
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13. Habitat: Lakefront breakwaters and |
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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): Initially
observed resting on breakwater, the flying in closer to feed on a redfish
carcass on the grass on shore. After this, flew further out to a farther
breakwater, resting on the water briefly before returning again to the
original place of rest (1st breakwater). |
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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):
Overall mostly white gull, larger than Laughing & Ring-billed Gulls; dark
eye, mostly dark bill with pinkish base to the bill, pink legs; soft gray
barring on undertail coverts and greater median coverts; gray vermiculations on shoulder; primaries on open wing appear
mostly white. |
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16. Voice: n/a |
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17. Similar species (include how they were eliminated by
your observation): Glaucous Gull is larger, more overall white, and pinker on
base of bill. Thayer’s Gull at this age is darker overall, with more of a
contrast on mantle (?). |
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18. Photographs or tape recordings obtained? (by whom? attached?): Yes, photographed by many; three
attached by me. |
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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: Rob Dobbs |
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b. after observation: Sibley |
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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. |
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23. Date: 28 November 2013 Time: 1153 |
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