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  1. Bonaparte's Gull Chroicocephalus philadelphia
    ML201779461 eBird checklist S65238966 Report
    Bonaparte's Gull - ML201779461
    rating 5
    10 ratings
    Don DesJardin
    Ventura, California, United States
    Media notes A first summer bird foraging for bugs on the surface of the water. Elevation: 23…
    Behaviors Foraging or eating
  2. Bonaparte's Gull Chroicocephalus philadelphia
    ML389063751 eBird checklist S97757758 Report
    Bonaparte's Gull - ML389063751
    rating 5
    7 ratings
    Matt Mason
    Muskingum, Ohio, United States
  3. Bonaparte's Gull Chroicocephalus philadelphia
    ML483276 eBird checklist S23827016 Report
    Bonaparte's Gull - ML483276
    rating 4
    7 ratings
    Tompkins, New York, United States
    Media notes Other Behaviors: Walk, Stand, Drink.
    Age and sex Immature Unknown sex - 1
    Behaviors Preening
  4. Bonaparte's Gull Chroicocephalus philadelphia
    ML399545851 eBird checklist S99109411 Report
    Bonaparte's Gull - ML399545851
    rating 5
    6 ratings
    Okaloosa, Florida, United States
    Media notes 50% speed to better show foraging behavior
  5. Bonaparte's Gull Chroicocephalus philadelphia
    ML201818111 eBird checklist S65138795 Report
    Bonaparte's Gull - ML201818111
    rating 4
    6 ratings
    Manicouagan, Quebec, Canada
    Media notes An immature in fresh first winter plumage standing on a rock, preening and preve…
  6. Bonaparte's Gull Chroicocephalus philadelphia
    ML201817661 eBird checklist S65138704 Report
    Bonaparte's Gull - ML201817661
    rating 4
    6 ratings
    La Haute-Côte-Nord, Quebec, Canada
    Media notes Small flocks on the sea and in flight. Elevation: 0 m. Date added to IBC: Januar…
    Behaviors Flying
  7. Bonaparte's Gull Chroicocephalus philadelphia
    ML201817521 eBird checklist S65138699 Report
    Bonaparte's Gull - ML201817521
    rating 4
    5 ratings
    La Haute-Côte-Nord, Quebec, Canada
    Media notes An adult in non-breeding plumage lying on a rock. Elevation: 6 m. Date added to …
  8. Bonaparte's Gull Chroicocephalus philadelphia
    ML483844 eBird checklist S23452549 Report
    Bonaparte's Gull - ML483844
    rating 4
    5 ratings
    Tompkins, New York, United States
    Media notes Other Behaviors: Flap, Ruffle, Stand, Scratch, Walk.
    Age and sex Adult, Unknown sex - 1; Immature Unknown sex - 1
    Behaviors Preening
  9. Bonaparte's Gull Chroicocephalus philadelphia
    ML612017903 eBird checklist S155739762 Report
    Bonaparte's Gull - ML612017903
    rating 5
    3 ratings
    Hamilton, Tennessee, United States
    Behaviors Flying; Foraging or eating
  10. Bonaparte's Gull Chroicocephalus philadelphia
    ML201827221 eBird checklist S65138795 Report
    Bonaparte's Gull - ML201827221
    rating 4
    5 ratings
    Manicouagan, Quebec, Canada
    Media notes Adults in non-breeding plumage swimming on a calm sea. Elevation: 2 m. Date adde…
  11. Bonaparte's Gull Chroicocephalus philadelphia
    ML201817681 eBird checklist S65138706 Report
    Bonaparte's Gull - ML201817681
    rating 4
    5 ratings
    La Haute-Côte-Nord, Quebec, Canada
    Media notes An adult moulting out of breeding plumage in direct flight over the sea (50% spe…
    Behaviors Flying; Molting
  12. Bonaparte's Gull Chroicocephalus philadelphia
    ML200870221 eBird checklist S64983151 Report
    Bonaparte's Gull - ML200870221
    rating 4
    5 ratings
    Joe Angseesing
    Juneau City and Borough, Alaska, United States
    Media notes including ‘walking on water’ to feed. Elevation: 8 m. Date added to IBC: June 23…
    Behaviors Foraging or eating
  13. Bonaparte's Gull Chroicocephalus philadelphia
    ML255305541 eBird checklist S72346392 Report
    Bonaparte's Gull - ML255305541
    rating 4
    4 ratings
    York, Ontario, Canada
    Age and sex Immature Unknown sex - 1
    Behaviors Foraging or eating
  14. Bonaparte's Gull Chroicocephalus philadelphia
    ML415155491 eBird checklist S97214296 Report
    Bonaparte's Gull - ML415155491
    rating 5
    3 ratings
    Barnstable, Massachusetts, United States
    Age and sex Adult, Unknown sex - 1; Immature Unknown sex - 1
    Behaviors Foraging or eating
  15. Bonaparte's Gull Chroicocephalus philadelphia
    ML201827591 eBird checklist S65138808 Report
    Bonaparte's Gull - ML201827591
    rating 4
    4 ratings
    La Côte-de-Gaspé, Quebec, Canada
    Media notes An adult in non-breeding plumage preening on a shoreline. Elevation: 1 m. Date a…
  16. Bonaparte's Gull Chroicocephalus philadelphia
    ML201827211 eBird checklist S65138795 Report
    Bonaparte's Gull - ML201827211
    rating 4
    4 ratings
    Manicouagan, Quebec, Canada
    Media notes A juvenile moulting into first winter plumage preening on a rock. Elevation: 2 m…
    Behaviors Molting
  17. Bonaparte's Gull Chroicocephalus philadelphia
    ML201817671 eBird checklist S65138705 Report
    Bonaparte's Gull - ML201817671
    rating 4
    4 ratings
    La Haute-Côte-Nord, Quebec, Canada
    Media notes An adult moulting out of breeding plumage in direct flight over the sea. Elevati…
    Behaviors Flying; Molting
  18. Bonaparte's Gull Chroicocephalus philadelphia
    ML201817511 eBird checklist S65138699 Report
    Bonaparte's Gull - ML201817511
    rating 4
    4 ratings
    La Haute-Côte-Nord, Quebec, Canada
    Media notes An frontal view of an adult in non-breeding plumage standing on a rock. This was…
  19. Bonaparte's Gull Chroicocephalus philadelphia
    ML201793451 eBird checklist S65137490 Report
    Bonaparte's Gull - ML201793451
    rating 4
    4 ratings
    North East Northern Region, Manitoba, Canada
    Media notes Juvenile eating small morsels while swimming and then flying. Elevation: 216 m. …
    Behaviors Flying
  20. Bonaparte's Gull Chroicocephalus philadelphia
    ML201436481 eBird checklist S64822761 Report
    Bonaparte's Gull - ML201436481
    rating 4
    4 ratings
    Anchorage Municipality, Alaska, United States
    Media notes A group of birds preening on an island among several Mew Gulls. Elevation: 4 m. …
  21. Bonaparte's Gull Chroicocephalus philadelphia
    ML201436471 eBird checklist S64822761 Report
    Bonaparte's Gull - ML201436471
    rating 4
    4 ratings
    Anchorage Municipality, Alaska, United States
    Media notes Several birds (most in breeding plumage) swimming on the lagoon, and one of them…
    Behaviors Flying
  22. Bonaparte's Gull Chroicocephalus philadelphia
    ML449180 Report
    Bonaparte's Gull - ML449180
    rating 4
    4 ratings
    Timothy Barksdale
    Manitoba, Canada
    Media notes pan to adult on nest. [SUBJECT Bonaparte's Gull] ISCI:TB1_B027_009.
  23. Bonaparte's Gull Chroicocephalus philadelphia
    ML448903 Report
    Bonaparte's Gull - ML448903
    rating 4
    4 ratings
    Timothy Barksdale
    Manitoba, Canada
    Media notes perch on rock, preen. [SUBJECT Bonaparte's Gull] ISCI:TB1_B018_025.
  24. Bonaparte's Gull Chroicocephalus philadelphia
    ML448901 Report
    Bonaparte's Gull - ML448901
    rating 4
    4 ratings
    Timothy Barksdale
    Manitoba, Canada
    Media notes perch on rock, preen. [SUBJECT Bonaparte's Gull] ISCI:TB1_B018_023.
  25. Bonaparte's Gull Chroicocephalus philadelphia
    ML448900 Report
    Bonaparte's Gull - ML448900
    rating 4
    4 ratings
    Timothy Barksdale
    Manitoba, Canada
    Media notes perch on rock, preen. [SUBJECT Bonaparte's Gull] ISCI:TB1_B018_022.
  26. Bonaparte's Gull Chroicocephalus philadelphia
    ML448760 Report
    Bonaparte's Gull - ML448760
    rating 4
    4 ratings
    Timothy Barksdale
    Manitoba, Canada
    Media notes walk from rock to water, swim. [SUBJECT Bonaparte's Gull] ISCI:TB1_B015_004.
  27. Bonaparte's Gull Chroicocephalus philadelphia
    ML402064 Report
    Bonaparte's Gull - ML402064
    rating 4
    4 ratings
    Timothy Barksdale
    Santa Barbara, California, United States
    Media notes flock rest, preen. TALK. [SUBJECT Black-headed Gull] ISCI:TB1_OSD071_042.
    Age and sex Adult, Unknown sex - 21
    Behaviors Preening
  28. Bonaparte's Gull Chroicocephalus philadelphia
    ML402060 Report
    Bonaparte's Gull - ML402060
    rating 4
    4 ratings
    Timothy Barksdale
    Santa Barbara, California, United States
    Media notes flock bathe. [SUBJECT Black-headed Gull] ISCI:TB1_OSD071_038. Other Behaviors: B…
    Age and sex Adult, Unknown sex - 2
  29. Bonaparte's Gull Chroicocephalus philadelphia
    ML401184 Report
    Bonaparte's Gull - ML401184
    rating 4
    4 ratings
    Timothy Barksdale
    Missouri, United States
    Media notes fly, forrage,. [SUBJECT Bonaparte's Gull] ISCI:TB1_OSD040_073. Other Behaviors: …
    Age and sex Unknown age, Unknown sex - 1
    Behaviors Flying; Foraging or eating
  30. Bonaparte's Gull Chroicocephalus philadelphia
    ML401175 Report
    Bonaparte's Gull - ML401175
    rating 4
    4 ratings
    Timothy Barksdale
    Missouri, United States
    Media notes fly. [SUBJECT Bonaparte's Gull] ISCI:TB1_OSD040_064.
    Age and sex Unknown age, Unknown sex - 1
    Behaviors Flying