Across the history of life on Earth, animals and birds of many species have routinely colonized new country. That's enough a marker of adaptive succe… - Dan Flores

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Across the history of life on Earth, animals and birds of many species have routinely colonized new country. That's enough a marker of adaptive success that biologists apply the term "cosmopolitan" to species that are especially flexible regarding... habitats... Evolving in America, the ancestors of horses spread across Asia, Europe, and Africa, where they became zebras and s. Bovine evolution in Southeast Asia eventually brought bison to North America... But the range expansion of a wild animal [i.e., the coyote] for thousands of miles in every direction, often through dense settlements of humans who in recent history have been committed to that animal's eradication, is truly remarkable. A suite of factors must be involved.