Green Guru: How High Do Migrating Birds Fly? By Susan CosierMarch 29, 2011 By Susan CosierMarch 29, 2011 Popular Stories What the Beatles Song 'Blackbird' Was Really About The 2016 Audubon Photography Awards: Top 100 How to Tell a Raven From a Crow Build a Brush Pile for Birds Learn to Identify Five Owls by Their Calls R “The views expressed in user comments do not reflect the views of Audubon. Audubon does not participate in political campaigns, nor do we support or oppose candidates.” 2017 Audubon Photography Awards This year's contest is now open! Submit your best bird photos by February 20th for the chance to win great prizes. Enter Now Become an Audubon Member Membership benefits include one year of Audubon magazine and the latest on birds and their habitats. Your support helps secure a future for birds at risk. Join Today Protect the Birds and You Protect the Earth Birds and the places they call home are under attack, but with your help, we can fight back. Donate Now Spread the word. It’s the least you can do.