Green Guru: How High Do Migrating Birds Fly? By Susan CosierMarch 29, 2011 By Susan CosierMarch 29, 2011 Popular Stories Pigeon Portraits Reveal the City Bird’s True Beauty Day 259: A New Big Year World Record 7 Birds Who Will Never Leave You and 1 That Really Ought To Watch a Kiwi Re-Learn to Walk on a Custom Treadmill New World Record Set for Most Species of Birds Seen in One Year R Act for Greater Sage-Grouse Voice your support for U.S. Fish and Wildlife Service efforts to save the Greater Sage-Grouse. Take Action The Audubon Bird Guide App 821 North American birds at your fingertips, now free. Who’s the Coolest Bird? Who? Who? It’s the Owl! Celebrate this “Owl-o-ween” by bringing home an adorable owl plush. Adopt yours today Spread the word. It’s the least you can do.