Mapping winter ground: As technology improves, researchers learn more about animal migrations December 28, 2014 Montana

Montana Deer Population,Management News and Information Archive

... "When we started with radio collars (tracked by aircraft), it could sometimes take one or two weeks between flights,” he said. “Now with GPS or satellite collars, we can download a year or two worth of data and get those movements in live time.” ...   there’s a lot of maternal knowledge passed to offspring ... It’s all a result of animals moving because they need food ...

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