Richard Porter is a leading authority on the birds of the Middle East and is an adviser on bird conservation for BirdLife International. His books include Birds of the Middle East and North Africa. Oscar Campbell is a naturalist, bird conservationist, and teacher. He has served for more than a decade as chairman of the Emirates Bird Records Committee. AbdulRahman Al-Sirhan is a birder, ornithologist, and photographer. He leads bird tours in Kuwait.