Mathew Tekulsky is the author of Galapagos Birds: A Photographic Voyage; Backyard Bird Photography; and The Art of Hummingbird Gardening, among other books. He is also the author of "The Birdman of Bel Air," a column at NationalGeographic.com that featured essays and photographs about his birding experiences. His bird photographs have been published in field guides such as the National Geographic Field Guide to Birds: California and the Smithsonian Field Guide to the Birds of North America. His bird photographs have also been exhibited in galleries and museums, including the Roger Tory Peterson Institute of Natural History.