Dr G.W.H. Davison has worked for many years on behalf of WWF Malaysia. He is a specialist in the birdlife of the region, and is also the author of Pocket Photo Guide to the Birds of Borneo. Chew Yen Fook has received much acclaim for his nature and wildlife photography, and he is a specialist on South-East Asia. He also the photographer for Pocket Photo Guide to the Birds of Borneo and Pocket Photo Guide to the Birds of Thailand.