Wednesday, October 15, 2008

Cancer of the Devil


Tasmanian devils live on the island of (surprise!) Tasmania, off the south coast of Australia. They are marsupials: their young are born tiny (about a third of a gram — that’s a hundredth of an ounce), then fed on milk and carried in a pouch. As adults, devils are thick-set, thuggish-looking animals, with massive teeth that they use to chomp up carcasses, bones and all. Although they are far from enormous — the biggest males weigh in at around 14 kilograms (30 pounds), about the size of a French bulldog — Tasmanian devils are the largest carnivorous marsupials to have, so far, escaped extinction.

But over the last 12 years, the population has crashed — in some areas, population numbers have fallen by 90 percent. The dramatic decline has led the IUCN to move the species from “least concern” a decade ago to “endangered” now. Some think it could be extinct within 25 years. The reason? An infectious cancer.

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