Lead author Johannes Erritzoe is a Danish author and naturalist whose previous books include Pittas of the World. Clive Mann is an ornithologist from London, UK. An expert on the birds of southeast Asia, his previous titles include Birds of Borneo and, with Bob Cheke, the Helm Identification Guide Sunbirds of the World. Frederik Brammer is a neotropical bird specialist from Sao Paolo, Brazil, while Richard Fuller is an ornithologist from the University of Durham, UK who is currently resident in Australia.
