Green Guru: How High Do Migrating Birds Fly? By Susan CosierMarch 29, 2011 By Susan CosierMarch 29, 2011 Popular Stories The 2016 Audubon Photography Awards Winners The 2016 Audubon Photography Awards: Top 100 How to Make Hummingbird Nectar How to Tell a Raven From a Crow How to Photograph Birds With an iPhone R 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 Start Helping Hummingbirds Now Join Audubon’s Hummingbirds at Home, supported by GEICO, to record your hummingbird sightings and help protect them now and into the future. Download the App Albatross and Petrels Need Our Help Albatross & petrels often drown when they get caught on fishing lines, but we can help. Take Action Spread the word. It’s the least you can do.