Yong Ding Li is vice-chair of the Southeast Asian Biodiversity Society and committee member of the Nature Society (Singapore)'s bird group. He is currently pursuing a PhD in biodiversity conservation at the Australian National University. Ding Li has extensive field experience in Singapore and across Asia, and has published many research papers on birds, conservation and ecology. He also advises the IUCN SSC on Southeast Asian birds. Albert Low is a terrestrial ecologist with a special interest in birds. A keen birdwatcher with more than 20 years of field experience, he has travelled extensively throughout Southeast Asia, India, China and Australasia. He is particularly interested in the ecology and conservation of Southeast Asian birds and has published a number of papers in this field.