スミソニアン国立動物園のインスタグラム(smithsonianzoo) - 7月11日 02時47分

Fitted with a GPS device the weight of a paperclip, a gray catbird in the Washington, D.C., area flies south, unaware that the device records its every move. That data is key for conservation biologists, like Brandt Ryder of the Smithsonian Migratory Bird Center, who aim to understand the threats these animals face in a changing world. FOLLOW THE FLIGHT: http://s.si.edu/2uJtS8u. (Link in our profile) #WeSaveSpecies

[BIHAKUEN]UVシールド(UVShield) 更年期に悩んだら

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