Main Content
Invertebrate Features
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Photo Gallery: Coral Reefs
About 80 percent of all life on Earth is found in the oceans, which cover 71 percent of the planet's surface. Take a look at how colorful life under the sea can be.
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Oyster
Learn why these slimy-but-tasty invertebrates produce pearls. See how oysters can help humans monitor water quality by serving as “canaries in the coal mine."
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Sea Cucumber
Learn how these amazing echinoderms deter predators by snaring them with sticky threads and even hurling their internal organs about.
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Discoveries in the Dark
Eyeless spiders, translucent millipedes, 175-year-old crayfish, and other odd cave-dwellers face an uncertain future.
Photo Galleries
Animal News
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Tarzan Chameleon Found
The discovery on Madagascar of the new species—given away by its flat snout—is a "Tarzan yell for conservation," a new study says.
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Lizard Evolving for Live Birth
A skink species lays eggs on coasts but births babies in mountains, giving a glimpse of how placentas evolved, scientists say.
Animals A-Z
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School Contest
Enter your idea in the Find Your Footprint contest and your classroom and school could win big!
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Vote Now
Over 14,000 photographs were submitted to the contest. Vote for your favorite finalists!
