Green Guru: How High Do Migrating Birds Fly? By Susan CosierMarch 29, 2011 By Susan CosierMarch 29, 2011 Popular Stories The 2017 Audubon Photography Awards: Top 100 Why a Hawk Is a Hummingbird’s Best Friend How to Tell a Raven From a Crow Like Humans and Apes, Ravens Have the Foresight to Save Up for the Future 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.” Arctic National Wildlife Refuge Under Attack Oppose efforts to open the Arctic Refuge to oil drilling. Take Action Endangered Species Act in Trouble Ask your members of Congress to oppose efforts to weaken the Endangered Species Act. Take Action Crippling Conservation Cuts Threaten Birds Tell Congress to oppose these cuts, and instead fully support the conservation programs needed to protect birds and the places they need. Take Action Spread the word. It’s the least you can do.