Yong Ding Li is vice-chair of the Southeast Asian Biodiversity Society. He is currently pursuing a PhD in biodiversity conservation at the Australian National University. He has extensive field experience in Singapore and across Asia, and advises the IUCN SSC on Southeast Asian birds. Low Bing Wen 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.