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Tag: United States

Asian Carp: The Mississippi River Invaders

Invasive species abound in North America. Some, like the zebra mussel, arrived in the United States unintentionally. Others, like kudzu, the Burmese python, and the common pigeon, were purposefully introduced […]

Off Topic: Terror Birds

Following the extinction of the dinosaurs 65 million years ago, surviving species rapidly radiated across the planet, evolving into myriad bizarre and beautiful forms. In South America, an island continent […]