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1. gulfotsvartbak Larus livens

   ML317161081 eBird checklist S83344777 Rapporter
   
   vurdering 5

   7 vurderinger

   Andrew Spencer

   12. mar 2021

   Ensenada, Baja California, Mexico
   Kommentarer Adult feeding and long-calling.

   Age and sex Adult, Unknown sex - 1; Immature Unknown sex - 1

   Lyder Lokkelyd

   Oppførsel Foraging or eating; Lydytrende
2. gulfotsvartbak Larus livens

   ML201806221 eBird checklist S65137881 Rapporter
   
   vurdering 4

   5 vurderinger

   Greg Baker

   17. apr 2013

   Loreto, Baja California Sur, Mexico
   Kommentarer Third calendar year (second summer) sub-adults on the shoreline, with one acting…
3. gulfotsvartbak Larus livens

   ML201806271 eBird checklist S65137881 Rapporter
   
   vurdering 4

   5 vurderinger

   Greg Baker

   17. apr 2013

   Loreto, Baja California Sur, Mexico
   Kommentarer A mixed flock of adults and immatures gathered on the beach and then feeding on …

   Oppførsel Foraging or eating
4. gulfotsvartbak Larus livens

   ML201806261 eBird checklist S65137881 Rapporter
   
   vurdering 4

   4 vurderinger

   Greg Baker

   17. apr 2013

   Loreto, Baja California Sur, Mexico
   Kommentarer Second calendar immatures in a variety of transitional plumages - from late firs…
5. gulfotsvartbak Larus livens

   ML201806251 eBird checklist S65137881 Rapporter
   
   vurdering 4

   4 vurderinger

   Greg Baker

   17. apr 2013

   Loreto, Baja California Sur, Mexico
   Kommentarer A second calendar year immature in first summer plumage, showing its wing patter…
6. gulfotsvartbak Larus livens

   ML201806241 eBird checklist S65137881 Rapporter
   
   vurdering 4

   4 vurderinger

   Greg Baker

   17. apr 2013

   Loreto, Baja California Sur, Mexico
   Kommentarer A second calendar year immature in the early stages of first summer plumage. Ele…
7. gulfotsvartbak Larus livens

   ML201806231 eBird checklist S65137881 Rapporter
   
   vurdering 4

   4 vurderinger

   Greg Baker

   17. apr 2013

   Loreto, Baja California Sur, Mexico
   Kommentarer A second calendar year immature in advanced second winter plumage. Elevation: 27…
8. gulfotsvartbak Larus livens

   ML201806211 eBird checklist S65137875 Rapporter
   
   vurdering 4

   4 vurderinger

   Greg Baker

   16. apr 2013

   Loreto, Baja California Sur, Mexico
   Kommentarer An adult cautiously approaching a feeding site. Elevation: 27 m. Date added to I…

   Oppførsel Foraging or eating
9. gulfotsvartbak Larus livens

   ML201806201 eBird checklist S65137876 Rapporter
   
   vurdering 4

   4 vurderinger

   Greg Baker

   16. apr 2013

   Loreto, Baja California Sur, Mexico
   Kommentarer Adults on the shoreline, with one acting aggressively towards another and showin…
10. gulfotsvartbak Larus livens

    ML201806171 eBird checklist S65137874 Rapporter
    
    vurdering 4

    4 vurderinger

    Greg Baker

    16. apr 2013

    Loreto, Baja California Sur, Mexico
    Kommentarer An adult with a nearby nest site flying from a rock to mob an intruder before re…

    Oppførsel I flukt

    Merker Nest
11. gulfotsvartbak Larus livens

    ML201806161 eBird checklist S65137873 Rapporter
    
    vurdering 4

    4 vurderinger

    Greg Baker

    16. apr 2013

    Loreto, Baja California Sur, Mexico
    Kommentarer Adults standing on rocks, the first initially briefly calling. Elevation: 312 m.…

    Lyder Lokkelyd

    Oppførsel I flukt; Lydytrende
12. gulfotsvartbak Larus livens

    ML201806031 eBird checklist S65137860 Rapporter
    
    vurdering 4

    4 vurderinger

    Greg Baker

    15. apr 2013

    La Paz, Baja California Sur, Mexico
    Kommentarer Adult in flight over the sea. Elevation: 355 m. Date added to IBC: June 23, 2016…

    Oppførsel I flukt
13. gulfotsvartbak Larus livens

    ML201806011 eBird checklist S65137860 Rapporter
    
    vurdering 4

    4 vurderinger

    Greg Baker

    15. apr 2013

    La Paz, Baja California Sur, Mexico
    Kommentarer An adult standing on a rock. Elevation: 355 m. Date added to IBC: June 23, 2016.…

    Age and sex Adult, Unknown sex - 1
14. gulfotsvartbak Larus livens

    ML201806001 eBird checklist S65137860 Rapporter
    
    vurdering 4

    5 vurderinger

    Greg Baker

    15. apr 2013

    La Paz, Baja California Sur, Mexico
    Kommentarer A pair, one standing and one sitting on a rock. Elevation: 355 m. Date added to …
15. gulfotsvartbak Larus livens

    ML618007248 eBird checklist S170038048 Rapporter
    
    vurdering 5

    2 vurderinger

    Russell Campbell

    23. apr 2024

    Los Angeles, California, United States
16. gulfotsvartbak Larus livens

    ML317033921 eBird checklist S83344777 Rapporter
    
    vurdering 5

    1 vurdering

    Andrew Spencer

    12. mar 2021

    Ensenada, Baja California, Mexico
    Age and sex Immature Unknown sex - 1

    Oppførsel Foraging or eating
17. gulfotsvartbak Larus livens

    ML200941831 eBird checklist S64964373 Rapporter
    
    vurdering 3

    4 vurderinger

    Thore Noernberg

    5. mar 2014

    Ensenada, Baja California, Mexico
    Kommentarer adult nonbreeding on a rock close to shore at Bahia de Los Angeles . Elevation: …
18. gulfotsvartbak Larus livens

    ML200792771 eBird checklist S64968126 Rapporter
    
    vurdering 3

    4 vurderinger

    Thore Noernberg

    25. feb 2019

    Ensenada, Baja California, Mexico
    Kommentarer adult catched a fish and is followed by a heron . Elevation: 5 m. Date added to …
19. gulfotsvartbak Larus livens

    ML394667431 eBird checklist S97833966 Rapporter
    
    vurdering 4

    1 vurdering

    Chris Wood

    20. nov 2021

    De Baca, New Mexico, United States
20. gulfotsvartbak Larus livens

    ML539117771 eBird checklist S128599925 Rapporter
    
    vurdering 4

    1 vurdering

    Alan Kneidel

    17. feb 2023

    La Paz, Baja California Sur, Mexico
21. gulfotsvartbak Larus livens

    ML539117761 eBird checklist S128599925 Rapporter
    
    vurdering 4

    1 vurdering

    Alan Kneidel

    17. feb 2023

    La Paz, Baja California Sur, Mexico
22. gulfotsvartbak Larus livens

    ML370938591 eBird checklist S94899940 Rapporter
    
    vurdering 4

    1 vurdering

    Chris Benesh

    19. sep 2021

    Mohave, Arizona, United States
23. gulfotsvartbak Larus livens

    ML613154446 eBird checklist S158202788 Rapporter
    
    vurdering 3

    1 vurdering

    steve b

    5. jan 2024

    Clark, Nevada, United States
24. gulfotsvartbak Larus livens

    ML394665471 eBird checklist S97833966 Rapporter
    
    vurdering 3

    1 vurdering

    Chris Wood

    20. nov 2021

    De Baca, New Mexico, United States
    Age and sex Immature Unknown sex - 1
25. gulfotsvartbak Larus livens

    ML618135736 eBird checklist S170038047 Rapporter
    
    Omar Alui

    23. apr 2024

    Los Angeles, California, United States
26. gulfotsvartbak Larus livens

    ML617875067 eBird checklist S169856078 Rapporter
    
    Ian Becker

    22. apr 2024

    Los Angeles, California, United States
27. gulfotsvartbak Larus livens

    ML617861080 eBird checklist S170033316 Rapporter
    
    Paul Clarke

    23. apr 2024

    Los Angeles, California, United States
28. gulfotsvartbak Larus livens

    ML617750266 eBird checklist S169731290 Rapporter
    
    Omar Alui

    21. apr 2024

    Los Angeles, California, United States
29. gulfotsvartbak Larus livens

    ML436903071 eBird checklist S107358350 Rapporter
    
    Holly Merker

    17. apr 2022

    Clark, Nevada, United States
30. gulfotsvartbak Larus livens

    ML436903051 eBird checklist S107358350 Rapporter
    
    Holly Merker

    17. apr 2022

    Clark, Nevada, United States