'Terror bird' arrived in North America before land bridge, study finds

A University of Florida-led study has determined that Titanis walleri, a prehistoric 7-foot-tall flightless "terror bird," arrived in North America from South America long before a land bridge connected the two continents.

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<p><a href="http://www.physorg.com/news88772988.html">'Terror bird' arrived in North America before land bridge, study finds</a></p> <p>A University of Florida-led study has determined that Titanis walleri, a prehistoric 7-foot-tall flightless "terror bird," arrived in North America from South America long before a land bridge connected the two continents.</p>