Researchers issue warning after observing unexpected change in wild animal behavior: 'Fragmentation'

Researchers issue warning after observing unexpected change in wild animal behavior: 'Fragmentation'

The population of one of Canada's caribou herds has been dropping drastically in recent years. New research is shedding light on possible causes, including human activity.  What's happening? Two new maps published by the Global Initiative on Ungulate Migration show the Bathurst caribou herd's dwindling range and numbers, CBC News reported in late December. One of the maps focuses on the herd's migration over the past 27 years and shows the locat…