1. English and Scientific names: Glaucous Gull (Larus hyperboreus)


2. Number of individuals, sexes, ages, general plumage (e.g., 2 in alternate plumage): One in worn first-cycle plumage

3. Locality: LOUISIANA: (parish)  Cameron


Specific Locality: W. Jetty Beach nr. Calcasieu River mouth, ca. 2.0 mi. S of Cameron


4. Date(s) when observed: 2 May 2011

5. Time(s) of day when observed: 5:00 PM CDT

6. Reporting observer and address:

Justin Bosler

1300 Laban Ave., Apt. 165

Houma, LA 70363

7. Other observers accompanying reporter who also identified the bird(s): None

8. Other observers who independently identified the bird(s): Rosemary Seidler (29 Apr), Sue Broussard, Ed Wallace, Joelle Finley, m. ob. (30 Apr-1 May).

9. Light conditions (position of bird in relation to shade and to direction and amount of light): Good light under mostly cloudy to overcast skies, so no backlighting or glare issues.

10. Optical equipment (type, power, condition): Kowa TSN-4 spotting scope with 20-60x zoom eyepiece

11. Distance to bird(s): ca. 450-475 meters (as calculated on Google Earth)

12. Duration of observation: about 15 minutes.

13. Habitat: Shell spoil beach adjacent to river mouth at Gulf of Mexico.

14. Behavior of bird / circumstances of observation (flying, feeding, resting; include and stress habits used in identification; relate events surrounding observation): Gull was preening and loafing on shell spoil with multiple Herring Gulls.

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, nearly all white gull with heavy build and compact structure. Flight feathers and rectrices pure white. Short wingtip projection. Relatively stout and sharply bicolored bill with basal 2/3 flesh-pink and distal 1/3 black. Dark, beady eyes on relatively large head. Legs and feet pink.

16. Voice: None heard.

17. Similar species (include how they were eliminated by your observation):

First-cycle Iceland Gull eliminated by large size, bulky proportions, relatively flat, gently sloping crown, longish tail imparting short wings/ wingtip projection, and sharply bicolored bill with black tip and basal 2/3 flesh-pink. Bleached or worn first-cycle Herring Gull eliminated by nearly pure white plumage, including all flight feathers and rectrices, short wingtip projection, and stout,  bicolored bill.

18. Photographs or tape recordings obtained? (by whom? attached?): No. Way too distant for photos.

19. Previous experience with this species: Fairly extensive experience across New England and Mid-Atlantic regions in addition to a few first cycles seen previously 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: _____ notes made during the observation (_____notes attached?);__X___notes made after the observation (date: 2 May 2011); ___X__memory.

22. Are you positive of your identification if not, explain: Yes, 100% positive.

23. Signature of reporter: Justin Bosler    Date: 16 June 2011    Time: 8:00 PM

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

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


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