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  1. Winter Wren Troglodytes hiemalis
    ML646558617 eBird记录 S287734349 报告 发声 鸣叫
    Winter Wren - ML646558617
    条评分 4
    1 条评分
    Bucks, Pennsylvania, United States
  2. Pileated Woodpecker Dryocopus pileatus
    ML646546171 eBird记录 S287734349 报告
    Pileated Woodpecker - ML646546171
    条评分 2
    1 条评分
    Bucks, Pennsylvania, United States
    年龄和性别 成年雄鸟 - 1
  3. Northern Harrier Circus hudsonius
    ML646546151 eBird记录 S287734349 报告
    Northern Harrier - ML646546151
    条评分 3
    1 条评分
    Bucks, Pennsylvania, United States
    年龄和性别 未成年性别未知 - 1
    行为 飞行
  4. Northern Harrier Circus hudsonius
    ML646546150 eBird记录 S287734349 报告
    Northern Harrier - ML646546150
    条评分 3
    1 条评分
    Bucks, Pennsylvania, United States
    年龄和性别 未成年性别未知 - 1
    行为 飞行
  5. Northern Harrier Circus hudsonius
    ML646546152 eBird记录 S287734349 报告
    Northern Harrier - ML646546152
    条评分 3
    1 条评分
    Bucks, Pennsylvania, United States
    年龄和性别 未成年性别未知 - 1
    行为 飞行
  6. Eastern Phoebe Sayornis phoebe
    ML646467136 eBird记录 S287553238 报告
    Eastern Phoebe - ML646467136
    Bucks, Pennsylvania, United States
  7. Long-eared Owl Asio otus
    ML646202763 报告
    Long-eared Owl - ML646202763
    未知
    Montgomery, Pennsylvania, United States
  8. Ash-throated Flycatcher Myiarchus cinerascens
    ML646128425 eBird记录 S286831619 报告
    Ash-throated Flycatcher - ML646128425
    条评分 2
    1 条评分
    Chester, Pennsylvania, United States
  9. Ash-throated Flycatcher Myiarchus cinerascens
    ML646128423 eBird记录 S286831619 报告
    Ash-throated Flycatcher - ML646128423
    条评分 2
    1 条评分
    Chester, Pennsylvania, United States
  10. Ash-throated Flycatcher Myiarchus cinerascens
    ML646128421 eBird记录 S286831619 报告
    Ash-throated Flycatcher - ML646128421
    条评分 2
    1 条评分
    Chester, Pennsylvania, United States
  11. Rufous Hummingbird Selasphorus rufus
    ML646128363 eBird记录 S286830991 报告
    Rufous Hummingbird - ML646128363
    条评分 3
    2 条评分
    Chester, Pennsylvania, United States
  12. Rufous Hummingbird Selasphorus rufus
    ML646128364 eBird记录 S286830991 报告
    Rufous Hummingbird - ML646128364
    条评分 3
    2 条评分
    Chester, Pennsylvania, United States
  13. Rufous Hummingbird Selasphorus rufus
    ML646128365 eBird记录 S286830991 报告
    Rufous Hummingbird - ML646128365
    条评分 3
    2 条评分
    Chester, Pennsylvania, United States
  14. Rufous Hummingbird Selasphorus rufus
    ML646128367 eBird记录 S286830991 报告
    Rufous Hummingbird - ML646128367
    条评分 3
    2 条评分
    Chester, Pennsylvania, United States
  15. Rufous Hummingbird Selasphorus rufus
    ML646128366 eBird记录 S286830991 报告
    Rufous Hummingbird - ML646128366
    条评分 3
    2 条评分
    Chester, Pennsylvania, United States
  16. Swamp Sparrow Melospiza georgiana
    ML646087542 eBird记录 S286663574 报告 发声 鸣叫
    Swamp Sparrow - ML646087542
    条评分 3
    1 条评分
    Bucks, Pennsylvania, United States
  17. Savannah Sparrow (Savannah) Passerculus sandwichensis [sandwichensis Group]
    ML646057941 eBird记录 S286663574 报告
    Savannah Sparrow (Savannah) - ML646057941
    条评分 4
    1 条评分
    Bucks, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 1
  18. Savannah Sparrow (Savannah) Passerculus sandwichensis [sandwichensis Group]
    ML646057940 eBird记录 S286663574 报告
    Savannah Sparrow (Savannah) - ML646057940
    条评分 5
    2 条评分
    Bucks, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 1
  19. American Tree Sparrow Spizelloides arborea
    ML646057892 eBird记录 S286663574 报告
    American Tree Sparrow - ML646057892
    条评分 3
    2 条评分
    Bucks, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 1
  20. American Tree Sparrow Spizelloides arborea
    ML646057890 eBird记录 S286663574 报告
    American Tree Sparrow - ML646057890
    条评分 4
    2 条评分
    Bucks, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 1
  21. American Tree Sparrow Spizelloides arborea
    ML646057891 eBird记录 S286663574 报告
    American Tree Sparrow - ML646057891
    条评分 3
    2 条评分
    Bucks, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 1
  22. Hooded Merganser Lophodytes cucullatus
    ML646057880 eBird记录 S286663574 报告
    Hooded Merganser - ML646057880
    条评分 2
    1 条评分
    Bucks, Pennsylvania, United States
    年龄和性别 成年雌鸟 - 1; 成年雄鸟 - 1
  23. Snow Goose Anser caerulescens
    ML646057874 eBird记录 S286663574 报告
    Snow Goose - ML646057874
    Bucks, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 4
    行为 飞行
  24. Snow Goose Anser caerulescens
    ML646057875 eBird记录 S286663574 报告
    Snow Goose - ML646057875
    Bucks, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 4
    行为 飞行
  25. Wilson's Snipe Gallinago delicata
    ML645577178 eBird记录 S285377306 报告
    Wilson's Snipe - ML645577178
    Bucks, Pennsylvania, United States
  26. Wilson's Snipe Gallinago delicata
    ML645577180 eBird记录 S285377306 报告
    Wilson's Snipe - ML645577180
    Bucks, Pennsylvania, United States
  27. Common Grackle Quiscalus quiscula
    ML645362121 eBird记录 S284794895 报告
    Common Grackle - ML645362121
    条评分 2
    1 条评分
    Bucks, Pennsylvania, United States
    标签 鸟群
  28. Red-shouldered Hawk (lineatus Group) Buteo lineatus [lineatus Group]
    ML645362098 eBird记录 S284794895 报告
    Red-shouldered Hawk (lineatus Group) - ML645362098
    条评分 2
    1 条评分
    Bucks, Pennsylvania, United States
    年龄和性别 未成年性别未知 - 1
    行为 飞行
  29. Red-shouldered Hawk (lineatus Group) Buteo lineatus [lineatus Group]
    ML645362096 eBird记录 S284794895 报告
    Red-shouldered Hawk (lineatus Group) - ML645362096
    条评分 3
    1 条评分
    Bucks, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 1
    行为 飞行
  30. Red-shouldered Hawk (lineatus Group) Buteo lineatus [lineatus Group]
    ML645362097 eBird记录 S284794895 报告
    Red-shouldered Hawk (lineatus Group) - ML645362097
    条评分 3
    1 条评分
    Bucks, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 1
    行为 飞行