Green Guru: How High Do Migrating Birds Fly? Susan CosierPublished Mar 29, 2011 Susan CosierPublished Mar 29, 2011 Popular Stories Welcome to the New Audubon.org Who's Who The Lesser Prairie-Chicken Dodges a Bullet Birding Without Borders: Day 26 Which Came First: the Dinosaur or the Bird? R BP: Your Delaying Tactics are Harming the Gulf BP continues its campaign of deception and denial, even as evidence of the catastrophic effects of the 2010 oil spill continues to roll in. Take Action 2015 Audubon Photography Awards Submit your best bird photo by February 23rd for the chance to win fantastic trips, high-end photo gear, and other great prizes. Enter Today You Are What Hope Looks Like Save birds and habitats with a donation to Audubon. Donate to Save Birds Spread the word. It’s the least you can do.