Michigan Radio: Environmental groups say climate change is the biggest threat in the 21st century to migratory birds in the Great Lakes. Every year, hundreds of migratory bird species pass through the Great Lakes region. But a new National Wildlife Federation report says climate change is reducing the range that these birds need to survive the journey. The report says climate change is affecting where migratory birds can feed and raise their young. We are seeing birds starting to change their habits based on...