LOUISIANA BIRD RECORDS COMMITTEE
REPORT FORM
|
1. English and Scientific names: Glaucous Gull (Larus
hyperboreus) |
|
2. Number of individuals, sexes, ages, general plumage
(e.g., 2 in alternate plumage): 1 first cycle |
|
|
|
3. Locality: Parish:
Orleans |
|
Specific
Locality: Seabrook Bridge; on seawall |
|
4. Date(s) when observed: 12 March 2013 |
|
|
|
5. Time(s) of day when observed: 11:45-12:30 |
|
|
|
6. Reporting observer and address: Phillip Wallace
New Orleans, LA 70125 |
|
|
|
7. Other observers accompanying reporter who also identified
the bird(s): None |
|
|
|
8. Other observers who independently identified the
bird(s): Discovered by David Muth in 2012 (November or December); reported by
several other birders |
|
|
|
9. Light conditions (position of bird in relation to shade
and to direction and amount of light): Good light; sun behind observer |
|
|
|
10. Optical equipment (type, power, condition): 10x40
binoculars; 22-60x Kowa spotting scope |
|
|
|
11. Distance to bird(s): 75-100 m |
|
|
|
12. Duration of observation: 30 minutes |
|
|
|
13. Habitat: Seawall at Lake Pontchartrain |
|
|
|
14. Behavior of bird / circumstances of observation
(flying, feeding, resting; include and stress habits used in identification;
relate events surrounding observation): Resting, preening, walking, flying |
|
|
|
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): Large gull, approximate size of
adjacent Herring Gull; plumage essentially all white with some scattered pale
coffee coloration (minimal); bright pink legs; bill long and straight with
minimal gonydial angle, pinkish with black tip (distal 20%), black not as
clearly demarcated as usual with 1st cycle GLGU; dark eye appeared
small on white head; all white wings and tail. |
|
|
|
16. Voice: None |
|
|
|
17. Similar species (include how they were eliminated by
your observation): Nothing in plumage indicates a leucistic Herring; bill
pattern with size and plumage indicates Glaucous |
|
|
|
18. Photographs or tape recordings obtained? (by whom?
attached?): Photos by Wallace at https://www.dropbox.com/sh/kh0wc0h01n2zql9/r9_86v3gpb
|
|
|
|
19. Previous experience with this species: I’ve seen quite
a few times in LA. |
|
|
|
20. Identification aids: (list books, illustrations, other
birders, etc. used in identification): |
|
|
|
a. at time of observation: None |
|
|
|
b. after observation: None |
|
|
|
21. This description is written from: X notes made during the observation |
|
22. Are you positive of your identification if not,
explain: Yes |
|
|
|
23. Date: 19 May
2013 Time: 4:30 p.m. |
|
|
|
|
|
|