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Monday, November 23, 2009

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The barking frog—named for its throaty, dog-like call—guards his brood after the female lays her eggs under rocks or logs in the U.S. Southwest.

The frog hangs out by the eggs for several weeks, wetting the eggs with his urine if they dry out.

In other frog species, males carry their larvae on their backs or swallow their newly hatched tadpoles to shelter them in special mouth sacs, Forbes added, giving the offspring a safe haven to develop.

—Photograph by Rolf Nussbaumer, Photolibrary