This form is intended as a convenience in reporting observations of species on the Louisiana Bird Records Committee (LBRC) Review List. The LBRC recommends the use of this form or a similar format when submitting records for review (to assure that all pertinent information is accounted for). Attach additional pages as necessary. Please print or type. Attach xerox of field notes, drawings, photographs, or tape recordings, if available. Include all photos for more obscurely marked species. When completed, mail to Secretary, Louisiana Bird Records Committee, c/o Museum of Natural Science, 119 Foster Hall, Louisiana State University, Baton Rouge, LA 70803-3216.

1. English and Scientific names: 

Thayer’s Gull, Larus thayeri

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

1 - 1st winter

3. Locality: LOUISIANA: (parish)

Cameron Parish

Specific Locality:

About 1 miles offshore from Calcasieu River Pass

4. Date(s) when observed:

January 19, 2013

5. Time(s) of day when observed:

2:45 PM

6. Reporting observer and address:

Dave Patton, davepatton122@gmail.com

7. Other observers accompanying reporter who also identified the bird(s):

Paul Conover, Mac Myers

8. Other observers who independently identified the bird(s):

9. Light conditions (position of bird in relation to shade and to direction and amount of light):

Full sun, several angles, good light

10. Optical equipment (type, power, condition):


11. Distance to bird(s):

50 feet

12. Duration of observation:

10 minutes

13. Habitat:

Open waters offshore

14. Behavior of bird / circumstances of observation (flying, feeding, resting; include and stress habits used in identification; relate events surrounding observation):Mixed in with assorted flock of winter gulls. Came in to boat while chumming popcorn

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):Best explaned by photos. Wings a dull pale brown. Body mostly bleached dull brown barring. Rounded head, brown eye, pink legs, dark faded brown tail, outer webbing of flight feathers darker than inner webbing. Bill mostly dark with some pale patches near base on upper and lower. Size between Herring and Ring-billed.

16. Voice:No

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

Kumlien, maybe??

18. Photographs or tape recordings obtained? (by whom? attached?):

Yes, 300mm lens

19. Previous experience with this species:

A few that looked similar in LA

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

a. at time of observation:

b. after observation:

Sibley’s; Gulls of NA, Howell and Dunn

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

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

Looked good. Maybe Kumlien??

23. Signature of reporter: Dave Patton

Date:_____Dec 6, 2013_____

Time:___5:00 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?


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