ナショナルジオグラフィックのインスタグラム(natgeo) - 1月30日 01時56分

Photo @Keith Ladzinski / If you’re a #Giraffe, a drink from the watering hole is a vulnerable time. The stream of water seen here occurs when these animals whip their heads up while drafting water to survey for predators. Any other animal would likely faint from such a rapid motion but giraffes have special blood vessels in their head to keep from passing out, coupled with the largest heart of any land animal. A full grown giraffe has a heart that weighs upwards of 25 pounds, necessary to pump blood to the brain. To see more photos from Africa please visit @Keith Ladzinski

[BIHAKUEN]UVシールド(UVShield)

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