ผู้เขียน: Erik Hirschfeld

Erik Hirschfeld works in air traffic control management and is a freelance writer, guide, and consultant in ornithology. Andy Swash is managing director of WILD Guides and a professional wildlife photographer, naturalist, author, and guide. Robert Still is an ecologist, widely traveled naturalist, and graphic artist who designs books that encourage people to take a greater interest in the natural world.