REPORT FORM
1. English and Scientific names: Iceland Gull, Larus glaucoides |
2. Number of individuals, sexes, ages, general plumage (e.g., 2 in alternate plumage): 1 first-year |
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3. Locality: Parish:
St. Tammany |
Specific
Locality: Lake Pontchartrain at Bayou Castine along
Mandeville Lakefront. |
4. Date(s) when observed: 23, 25, 28 November 2013; 7
December 2013; 1 January 2014 |
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5. Time(s) of day when observed: usually before 7 am on
most days of observation; afternoon on 7 December 2013. |
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6. Reporting observer and address: Christopher G.
Brantley, Mandeville, LA 70448; cell number 985-237-5399 |
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7. Other observers accompanying reporter who also identified
the bird(s): John Sevenair on 23 November 2013 after initial observation |
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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): Adequate. |
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10. Optical equipment (type, power, condition): B&L
Elite 10x42 in good condition |
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11. Distance to bird(s): 5 - 50 feet |
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12. Duration of observation: Initially about 15 minutes and
in subsequent visits less than 5 minutes |
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13. Habitat: Lakeshore/Developed shoreline of Lake
Pontchartrain |
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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): On initial date of observation, bird flew
in from open lake with 2 Ring-billed Gulls and perched on concrete jetty
before sunrise. Several minutes later,
the three birds flew and landed within feet of my location to feed on
fish/crab parts left on a wooden courtesy pier next to a small boat
launch. On other dates of observation,
observed the bird come to food usually in association with Ring-billed and
Laughing Gulls. |
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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): Bird
noticeably larger than associated Ring-billed and Laughing Gulls. Pale with brown spots or streaks on back
and wings. Primaries whitish and no
tail banding noted. Bill appeared
dark, but lighter towards base. |
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16. Voice: Single hoarse shriek. |
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17. Similar species (include how they were eliminated by
your observation): Herring and Thayer’s darker overall with dark primaries;
Glaucous Gull larger in size. |
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18. Photographs or tape recordings obtained? (by whom? attached?): Photos by Christopher G. Brantley and
John Sevenair taken on 23 November 2013 sent by separate email. |
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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: Sibley |
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b. after observation: Audubon, Sibley, National Geographic |
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21. This description is written from: _____ notes made
during the observation (_____notes attached?);__X___notes made after the observation (date: 23 November
2013); _____memory. |
22. Are you positive of your identification if not,
explain: Yes. |
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23. Date: 17 February 2014 Time: 9:35 pm |
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