Perhaps you can understand why this tiny sea slug is sometimes called the ‘sea sheep’ or ‘leaf sheep’? It grazes on algae just as a sheep grazes on grass, and it bears more than a little resemblance to an actual sheep. Sea sheep don’t digest the chloroplasts in the algae they eat—instead, they absorb the energy-producing cells. As a result, the leaf-like fins all over the sea sheep’s back are loaded with working chloroplasts, making the sea sheep one of the only non-plant life forms on Earth with the ability to photosynthesize—that is, produce its own energy using sunlight and water. Who knew an evolutionary advancement could be so cute?
Adorably evolutionary sea sheep
Today in History
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The Kelpies statues in Falkirk, Scotland
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National Aviation Day
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Float on
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Bear Hole Brook, Catskill Mountains, New York
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Talk like a pirate—or walk the plank
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To the 155th on the 155th
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The ‘Night of Nights’
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A desert arts pop-up, just popped up
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Birds of the Drömling
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A lush, green escape
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Hollywood s big night
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2022 Winter Paralympics
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In the Supertree Grove
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International Day for Biosphere Reserves
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The Canary Islands, Spain
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Cumberland Island National Seashore
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Salmon return to the Copper River
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What happened to these clouds?
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Happy Birthday, Eiffel Tower
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Spreadsheet Day
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Spring awakens
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Casting a vote for women s history
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National Mountain Climbing Day
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Reflections on Memorial Day
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Joshua Tree National Park
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Pretty in pink, and purple, and red…
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Moselle River loop near Kröv, Germany
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Sligachan Old Bridge, Isle of Skye, Scotland
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Saint Nicholas Day in Verbier, Switzerland
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Spring blooms in the Netherlands