スミソニアン国立動物園のインスタグラム(smithsonianzoo) - 1月12日 03時02分

From milk samples we can learn about: the evolution of reproductive strategies, infant growth, lactation physiology, signaling mechanisms between mother and offspring, and other information that helps us build self-sustaining populations of animals. #NationalMilkDay

[BIHAKUEN]UVシールド(UVShield)

>> 飲む日焼け止め！「UVシールド」を購入する