Sick Coyotes Are More Likely to Come into Cities

Run-ins are on the rise between coyotes and city-dwelling humans, and scientists aren't sure why. Now researchers in Alberta think they've found a piece of the puzzle. Coyotes are more likely to creep into human spaces if they're unhealthy. Conflict between humans and coyotes has increased during the last 20 years, write University of Alberta graduate student Maureen Murray and her coauthors. Yet coyotes were expanding their range for decades before that. They've spread to inhabit nearly