Trilobites: Coyotes Conquered North America. Now They’re Heading South. New maps seek to update the historical range of our continent’s toughest canids, which have thrived as other predators experienced decline. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Federal Electricity Study Hints at Future Support for CoalWhat ‘Clean Coal’ Is — and Isn’tCheers! Heavy drinkers live longer and are less likely to get dementia, shock study findsHunting a Killer: Sex, Drugs and the Return of SyphilisHas the baffling mystery of the ALIEN MEGASTRUCTURE star finally been solved?Exxon Misled the Public on Climate Change, Study Says