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1. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

   ML597786371 eBird checklist S145701437 Rapporter
   
   Anonymous eBirber

   26. jul 2023

   Cook, Illinois, United States
   Kommentarer Mirrors on P10 and P9, dark on P9 and P8 goes all the way up to coverts

   Oppførsel I flukt
2. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

   ML597786361 eBird checklist S145701437 Rapporter
   
   Anonymous eBirber

   26. jul 2023

   Cook, Illinois, United States
3. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

   ML597786351 eBird checklist S145701437 Rapporter
   
   Anonymous eBirber

   26. jul 2023

   Cook, Illinois, United States
4. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

   ML597621541 eBird checklist S145655317 Rapporter
   
   Anonymous eBirber

   25. jul 2023

   Cook, Illinois, United States
5. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

   ML597621521 eBird checklist S145655317 Rapporter
   
   vurdering 5

   1 vurdering

   Anonymous eBirber

   25. jul 2023

   Cook, Illinois, United States
   Kommentarer wingtip notes: P8 outer web goes farther up towards base of feather with smudgy …

   Oppførsel I flukt
6. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

   ML597621511 eBird checklist S145655317 Rapporter
   
   vurdering 5

   1 vurdering

   Anonymous eBirber

   25. jul 2023

   Cook, Illinois, United States
   Kommentarer spotty pinkish color around orbital
7. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

   ML597590031 eBird checklist S145655317 Rapporter
   
   vurdering 5

   1 vurdering

   Anonymous eBirber

   25. jul 2023

   Cook, Illinois, United States
8. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

   ML471618881 eBird checklist S116030375 Rapporter
   
   vurdering 4

   2 vurderinger

   Anonymous eBirber

   30. jul 2022

   Cook, Illinois, United States
   Kommentarer Bird 2 with Herring Gulls at various angles, showing smaller size, darker mantle…
9. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

   ML471616221 eBird checklist S116030375 Rapporter
   
   vurdering 4

   1 vurdering

   Anonymous eBirber

   30. jul 2022

   Cook, Illinois, United States
   Kommentarer Bird 2 with one Herring and other Ring-billed Gulls at various angles, showing i…
10. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML471326371 eBird checklist S114197818 Rapporter
    
    vurdering 3

    1 vurdering

    Anonymous eBirber

    1. jul 2022

    Cook, Illinois, United States
11. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML471313551 eBird checklist S115975609 Rapporter
    
    vurdering 3

    1 vurdering

    Anonymous eBirber

    28. jul 2022

    Cook, Illinois, United States
    Kommentarer July 1st bird just right of center with yellow legs. This bird fits in size-wise…
12. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML471313521 eBird checklist S115975609 Rapporter
    
    vurdering 4

    1 vurdering

    Anonymous eBirber

    28. jul 2022

    Cook, Illinois, United States
    Kommentarer July 1st bird
13. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML471313501 eBird checklist S115975609 Rapporter
    
    vurdering 5

    1 vurdering

    Anonymous eBirber

    28. jul 2022

    Cook, Illinois, United States
    Kommentarer July 1st bird
14. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML471313451 eBird checklist S115975609 Rapporter
    
    vurdering 3

    1 vurdering

    Anonymous eBirber

    28. jul 2022

    Cook, Illinois, United States
    Kommentarer July 26 bird on left, July 1 bird in middle, and juvenile that follows July 26 b…
15. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML471312831 eBird checklist S115975609 Rapporter
    
    vurdering 3

    1 vurdering

    Anonymous eBirber

    28. jul 2022

    Cook, Illinois, United States
    Kommentarer The bird seen on July 1st in the back, the July 26 bird in front
16. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML471309891 eBird checklist S116047607 Rapporter
    
    vurdering 5

    1 vurdering

    Anonymous eBirber

    26. jul 2022

    Cook, Illinois, United States
17. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML471309851 eBird checklist S116047607 Rapporter
    
    vurdering 5

    1 vurdering

    Anonymous eBirber

    26. jul 2022

    Cook, Illinois, United States
18. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML471309811 eBird checklist S116047607 Rapporter
    
    vurdering 5

    1 vurdering

    Anonymous eBirber

    26. jul 2022

    Cook, Illinois, United States
19. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML471309751 eBird checklist S116047607 Rapporter
    
    vurdering 5

    1 vurdering

    Anonymous eBirber

    26. jul 2022

    Cook, Illinois, United States
20. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML471309741 eBird checklist S116047607 Rapporter
    
    vurdering 5

    1 vurdering

    Anonymous eBirber

    26. jul 2022

    Cook, Illinois, United States
21. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML464101461 eBird checklist S114197818 Rapporter
    
    vurdering 4

    3 vurderinger

    Anonymous eBirber

    1. jul 2022

    Cook, Illinois, United States
    Age and sex Adult, Unknown sex - 1

    Oppførsel I flukt
22. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML464101441 eBird checklist S114197818 Rapporter
    
    vurdering 4

    2 vurderinger

    Anonymous eBirber

    1. jul 2022

    Cook, Illinois, United States
    Age and sex Adult, Unknown sex - 1

    Oppførsel I flukt
23. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML464101391 eBird checklist S114197818 Rapporter
    
    vurdering 4

    3 vurderinger

    Anonymous eBirber

    1. jul 2022

    Cook, Illinois, United States
    Age and sex Adult, Unknown sex - 1
24. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML464099851 eBird checklist S114197476 Rapporter
    
    Jayne L

    1. jul 2022

    Cook, Illinois, United States
25. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML464096661 eBird checklist S114188863 Rapporter
    
    Matthew Cvetas

    1. jul 2022

    Cook, Illinois, United States
26. amerikagråmåke x præriegråmåke (hybrid) Larus smithsonianus x californicus

    ML464063791 eBird checklist S114188863 Rapporter
    
    Matthew Cvetas

    1. jul 2022

    Cook, Illinois, United States