搜索媒体——Macaulay Library和eBird

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  1. Tree Swallow - ML238913901
    条评分 4
    2 条评分
    Martin Flack
    Queens, New York, United States
  2. Tree Swallow - ML204743421
    条评分 4
    4 条评分
    Martin Flack
    Queens, New York, United States
    媒体文件注释 A pair of adults at a nest box, the male perched on top, the female looking out
  3. Tree Swallow - ML204743411
    条评分 4
    4 条评分
    Martin Flack
    Queens, New York, United States
    媒体文件注释 Adult male perched on a nest box. Elevation: 0 m. Date added to IBC: September 9
    年龄和性别 成年雄鸟 - X
  4. Tree Swallow - ML204743431
    条评分 5
    4 条评分
    Martin Flack
    Queens, New York, United States
    媒体文件注释 Adult male perched on top of a nest box . Elevation: 0 m. Date added to IBC: Sep
    年龄和性别 成年雄鸟 - X