アメリカ内務省のインスタグラム(usinterior) - 3月12日 00時25分

Here's a rare sight: A herd of elk crossing the dunes at #GreatSandDunes National Park in #Colorado. What would cause a large mammal to venture into the seemingly barren sand? The elk find food in patches of ricegrass and blowout grass; perceived shelter from predators like mountain lions and coyotes that may attack their young; and space to run. Photo by Patrick Myers, #NationalPark Service.

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