Green Guru: How High Do Migrating Birds Fly? By Susan CosierMarch 29, 2011 By Susan CosierMarch 29, 2011 Popular Stories Why Do Owls Bob Their Heads? Agami Herons' Full Mating Ritual Photographed for the First Time Who's Who How to Stop a Murder of Crows (Hint: Throw Them a Giant Party) Peregrines—and a Photographer—Bunk Out at Chicago Man’s Apartment R 2016 Audubon Photography Awards This year's contest is now open! Submit your best bird photos by February 19th for the chance to win great prizes. Enter Now Protect the Fish Seabirds Need to Survive Marine birds depend on small fish as their food food supply. Historic new protections for these fish off the Pacific Coast are in reach. Take Action 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 Spread the word. It’s the least you can do.