ナショナルジオグラフィックのインスタグラム(natgeo) - 8月13日 06時51分

Photo by @BrianSkerry.
A pod of spinner dolphin mothers and calves socialize in the shallow waters off of Oahu, Hawaii. Spinners are among the most social species of dolphins, often seen in larger groups.

For several hours each morning they play together in locations close to shore, then rest. But even when sleeping, dolphins keep one half of their brain awake. As voluntary breathers, they must remain partially awake to breathe and to be alert to predators. Coverage from the May 2015 cover story about dolphin intelligence in @ナショナルジオグラフィック.

Photograph made under NMFS (NOAA) permit #17941.

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#spinner #dolphin #dolphins #NatGeo #national #geographic #magazine #hawaii #nature #photography #underwater #social #animals #photooftheday

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