クラーク・リトルのインスタグラム(clarklittle) - 9月21日 05時19分

Weeeeee!!! ・・・
Emperor penguins may not have the ability of flight, but they sure look like they do as they rocket out of the sea after feeding on fish and krill. To get out of the water, these penguins sometimes must clear many feet of ice, which is made possible by their impressive swimming speed. Emperor penguins use an interesting tactic to increase their propulsion while underwater. Before entering the frigid waters, they raise their feathers to let air in. Once they dive and descend deeper into the ocean, the air volume under their feathers shrinks, so when they are ready to exit the water, they depress their feathers and utilize the compressed air to propel themselves towards the surface. This speed strategy is extremely useful as they are hurrying to return home to feed their hungry chicks. Photo @paulnicklen

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