Green Guru: How High Do Migrating Birds Fly? By Susan CosierMarch 29, 2011 By Susan CosierMarch 29, 2011 Popular Stories The Catbird Has a Simple Trick to Outsmart Deadbeat Brood Parasites How to Make Hummingbird Nectar How to Tell a Raven From a Crow Meet the Tiniest Owl in the World Scientists Pinpoint the Secret Password That Unlocks Cowbirds' Self-Identity 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.” Protect the Arctic National Wildlife Refuge Efforts in Congress are underway to open the Arctic Refuge to drilling, which would cause irreparable harm to birds. Take Action Endangered Species Act in Trouble Ask your members of Congress to oppose efforts to weaken the Endangered Species Act. Take Action Protect America's National Monuments A new executive order has placed millions of acres of our public lands and waters at risk. Take Action Spread the word. It’s the least you can do.