Michael Fogden(Ecuador, South America)and his wife Susan have spent the past 35 years as freelance writers and photographers. They have written 11 books and numerous articles, and in 2008 received a Lifetime Achievement Award from the North American Nature Photography Association.
Marianne Taylor(Kent, UK)is a freelance writer, editor and illustrator. She has worked as editor for the bird book publisher Christopher Helm and a subeditor on the magazine Birdwatch.
Sheri L. Williamson(Arizona, USA)is an ornithologist, award-winning writer, and author of A Field Guide to Hummingbirds of North America. Since 1996, she has worked as director of the Southeastern Arizona Bird Observatory.