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  1. Northern Rough-winged Swallow Stelgidopteryx serripennis
    ML646355480 eBird记录 S287275199 报告
    Northern Rough-winged Swallow - ML646355480
    条评分 3
    1 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 3
    行为 飞行
  2. Tree Swallow Tachycineta bicolor
    ML646355390 eBird记录 S287275199 报告
    Tree Swallow - ML646355390
    条评分 3
    2 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 1
  3. Canada Goose Branta canadensis
    ML646315457 eBird记录 S287166784 报告
    Canada Goose - ML646315457
    条评分 2
    1 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 3
  4. Canada Goose Branta canadensis
    ML646315458 eBird记录 S287166784 报告
    Canada Goose - ML646315458
    Montgomery, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 5
  5. Brown Creeper Certhia americana
    ML646124702 eBird记录 S286800718 报告
    Brown Creeper - ML646124702
    条评分 3
    2 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 1
    行为 觅食或者进食
  6. Northern Rough-winged Swallow Stelgidopteryx serripennis
    ML646124596 eBird记录 S286800718 报告
    Northern Rough-winged Swallow - ML646124596
    条评分 3
    2 条评分
    Montgomery, Pennsylvania, United States
    行为 飞行
  7. Blue-headed Vireo Vireo solitarius
    ML646124541 eBird记录 S286800718 报告
    Blue-headed Vireo - ML646124541
    条评分 2
    2 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 1
  8. Blue-headed Vireo Vireo solitarius
    ML646124542 eBird记录 S286800718 报告
    Blue-headed Vireo - ML646124542
    条评分 3
    2 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 1
    行为 飞行
  9. Red-throated Loon Gavia stellata
    ML646065080 eBird记录 S286661827 报告
    Red-throated Loon - ML646065080
    条评分 1
    1 条评分
    Montgomery, Pennsylvania, United States
  10. Red-throated Loon Gavia stellata
    ML646065078 eBird记录 S286661827 报告
    Red-throated Loon - ML646065078
    条评分 1
    1 条评分
    Montgomery, Pennsylvania, United States
  11. Red-throated Loon Gavia stellata
    ML646065079 eBird记录 S286661827 报告
    Red-throated Loon - ML646065079
    条评分 1
    1 条评分
    Montgomery, Pennsylvania, United States
  12. Red-shouldered Hawk Buteo lineatus
    ML645901913 eBird记录 S286223996 报告
    Red-shouldered Hawk - ML645901913
    条评分 3
    1 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 未成年性别未知 - 1
    行为 飞行
  13. Red-shouldered Hawk Buteo lineatus
    ML645901912 eBird记录 S286223996 报告
    Red-shouldered Hawk - ML645901912
    条评分 3
    1 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 未成年性别未知 - 1
    行为 飞行
  14. Red-shouldered Hawk Buteo lineatus
    ML645901911 eBird记录 S286223996 报告
    Red-shouldered Hawk - ML645901911
    条评分 3
    1 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 未成年性别未知 - 1
    行为 飞行
  15. Northern Rough-winged Swallow Stelgidopteryx serripennis
    ML645848807 eBird记录 S286115556 报告
    Northern Rough-winged Swallow - ML645848807
    条评分 3
    2 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 1
  16. Merlin Falco columbarius
    ML645730231 eBird记录 S285821116 报告
    Merlin - ML645730231
    条评分 3
    1 条评分
    Bucks, Pennsylvania, United States
    年龄和性别 成年雌鸟 - 1
  17. Merlin Falco columbarius
    ML645730230 eBird记录 S285821116 报告
    Merlin - ML645730230
    条评分 3
    1 条评分
    Bucks, Pennsylvania, United States
    年龄和性别 成年雌鸟 - 1
  18. Merlin Falco columbarius
    ML645730229 eBird记录 S285821116 报告
    Merlin - ML645730229
    条评分 3
    1 条评分
    Bucks, Pennsylvania, United States
    年龄和性别 成年雌鸟 - 1
  19. Tree Swallow Tachycineta bicolor
    ML645672688 eBird记录 S285333412 报告
    Tree Swallow - ML645672688
    条评分 2
    1 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 1
  20. Northern Rough-winged Swallow Stelgidopteryx serripennis
    ML645672685 eBird记录 S285333412 报告
    Northern Rough-winged Swallow - ML645672685
    条评分 2
    1 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 14
  21. Northern Rough-winged Swallow Stelgidopteryx serripennis
    ML645672682 eBird记录 S285333412 报告
    Northern Rough-winged Swallow - ML645672682
    条评分 2
    1 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 2
  22. Northern Rough-winged Swallow Stelgidopteryx serripennis
    ML645672683 eBird记录 S285333412 报告
    Northern Rough-winged Swallow - ML645672683
    条评分 2
    1 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 7
  23. Northern Rough-winged Swallow Stelgidopteryx serripennis
    ML645672684 eBird记录 S285333412 报告
    Northern Rough-winged Swallow - ML645672684
    Montgomery, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 3
  24. Lesser Black-backed Gull Larus fuscus
    ML645662225 eBird记录 S285633211 报告
    Lesser Black-backed Gull - ML645662225
    条评分 3
    2 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成鸟，性别未知 - 1
    行为 飞行
  25. Wilson's Warbler Cardellina pusilla
    ML645662045 eBird记录 S285633211 报告
    Wilson's Warbler - ML645662045
    条评分 3
    1 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成年雄鸟 - 1
  26. Wilson's Warbler Cardellina pusilla
    ML645662044 eBird记录 S285633211 报告
    Wilson's Warbler - ML645662044
    条评分 3
    2 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成年雄鸟 - 1
  27. Greater Scaup Aythya marila
    ML645662030 eBird记录 S285633211 报告
    Greater Scaup - ML645662030
    条评分 2
    2 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成年雌鸟 - 1
  28. Greater Scaup Aythya marila
    ML645662029 eBird记录 S285633211 报告
    Greater Scaup - ML645662029
    条评分 3
    2 条评分
    Montgomery, Pennsylvania, United States
  29. Greater Scaup Aythya marila
    ML645662031 eBird记录 S285633211 报告
    Greater Scaup - ML645662031
    条评分 2
    2 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成年雌鸟 - 1
  30. Tree Swallow Tachycineta bicolor
    ML645507902 eBird记录 S285177578 报告
    Tree Swallow - ML645507902
    条评分 3
    2 条评分
    Montgomery, Pennsylvania, United States
    年龄和性别 成年雄鸟 - 1