Feral hogs root through history

From Inside Science: Feral Hogs Root Through History.

Feral swine, first introduced by some of the earliest European explorers to America, have been roaming Florida for the past 500 years, and are now present in at least 35 states. The invasive pigs are well-known as a destructive environmental menace, tearing up sensitive habitats and endangered plants and animals in their search for food. But the hogs can also dig up important archaeological sites, destroying an irreplaceable historical record.

“The damage feral pigs do to everything else — crops, wetlands, endangered species — it can all grow back,” said Richard Engeman, a biologist with the U.S. Department of Agriculture. “But once you move artifacts around, that doesn’t grow back.”

When rooting for food, the pigs regularly dig several inches or more below the surface, potentially moving or destroying artifacts. The trails they make also speed up erosion. [continue]

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