Green Guru: How High Do Migrating Birds Fly? By Susan CosierMarch 29, 2011 By Susan CosierMarch 29, 2011 Popular Stories Rare Albino Raven Murdered An Elegy for America's Oldest Bald Eagle Cat Owners Turn a Blind Eye to Pets’ Violence Against the ‘Bird Killer Amendment’ How to Make a Bird-Friendly Sanctuary R Shut Down Bird Death Traps Every year, millions of birds die because of oil pits, power lines, communications towers, and other hazards. Take Action Watch Live Birds Follow Osprey and Atlantic Puffin families wherever you go. Watch the Birds You Can Make a Difference Save birds and their habitats with a donation to Audubon today. Donate to Save Birds Spread the word. It’s the least you can do.