National Geographic Society

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An adult reticulated glass frog (Hyalinobatrachium valerioi).  Its named for its transparent skin.  Get close enough and you can see his organs hard at work.

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Whether searching for prey in the tropical canopy or stalking a meal over a spongy moss carpet, forest predators rely on "stealth-like" skills to survive. From the smallest true carnivore on the planet, the least weasel, to some of the largest, including the Bengal tiger and the brown bear --find out what it takes to stalk, hunt and overcome insurmountable odds to make it the wild.