Paleontologist Michael Novacek’s op-ed in today’s Washington Post discusses what’s being called the Sixth Great Extinction. His article lists the animal classes that are in the greatest danger, and once again the amphibian is, unfortunately, at the top of the list:

“In 2007, of 41,415 species assessed for the International Union for the Conservation of Nature (IUCN) Red List of Threatened Species, 16,306 (39 percent) were categorized as threatened with extinction: one in three amphibians, one quarter of the world’s pines and other coniferous trees, one in eight birds and one in four mammals. “

It doesn’t have to happen, though, as those familiar with Amphibian Ark know.

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