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Invasive Species
Is America's wild horse an invasive species, or a reintroduced native?
Is America's wild horse an invasive species, or a reintroduced native?

Pleistocene, shmeistocene. To lovers of North America’s wild horses, the mustangs’ link to their Ice Age relatives is far more important than their descent from introduced, domesticated horses. The fans of today’s wild horses are petitioning the U.S. Fish and Wildlife Service to list the animals as an endangered species because open rangeland is reduced and also less fit to graze. Cattlemen see the horses as pests who take up public land that would be better used for grazing herds; they favor continuing to herd them up and ship them...anywhere. Many environmentalists see both the cattle and the horses as invasive species that compact the land in unnatural ways, making...

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