Canada geese have been spending their winters farther north. Scientists have figured out geese are drawn to cities for safety more so than for food. Michael Ward is an associate professor in the Department of Natural Resources and Environmental Sciences at the University of Illinois at Urbana-Champaign. He’s an author of a study on Canada geese in the Chicago region. Ward and his team fitted Canada geese with radio collars and tracked them for two years, trying to understand why there are so