スミソニアン国立動物園のインスタグラム(smithsonianzoo) - 12月7日 02時29分

After days of non-stop flights and weeks of travel, a weary Canada warbler touches down on a Cecropia tree in Peru, ready to gorge itself on insects. SCBI scientists are studying which trees in shade coffee farms supply the most food for migratory birds. LEARN MORE: s.si.edu/2DZGXBr. (Link in our profile.)

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