ナショナルジオグラフィックのインスタグラム(natgeo) - 1月15日 13時01分

Photo by @Joel Sartore | The iconic look of the African elephant is a prime example of evolution at work – each feature has a unique function that helps the elephant to survive. Elephant ears radiate heat to help keep these large animals cool, especially when the African heat is on the verge of being too much to handle. An elephant's trunk, which contains up to 100,000 muscles, is actually a long nose used for smelling, breathing, trumpeting, drinking, and also for grabbing things—especially a potential meal. Photo taken @indianapoliszoo. To learn about global efforts to save this and other unique species, follow me @Joel Sartore.

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