PHOTOS: Coin-Size Frog Found -- One of World's Smallest

PHOTOS: Coin-Size Frog Found -- One of World's Smallest
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A new species of frog in the Noblella genus grasps her two eggs, which she will watch over and keep moist until they hatch into froglets, a February 2009 study says.

The smallest frog in South America's Andes region and one of the smallest frogs in the world, the newfound amphibian has some unusual traits. For instance, females hatch only two eggs--a small number for a frog--and each egg is nearly a third the size of the adult.

The tiny amphibian is also rarescientists estimate there are between 30 and 75 frogs in each hectare (2.5 acres) of their highland habitat, which is located in a transition zone between forests and grasslands.

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—Photograph courtesy Alessandro Catenazzi
 
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