The discovery of a rare fossil goose in an ancient Central Otago lake shows the evolutionary history of Aotearoa New Zealand birds is much more dynamic than once thought, a University of Otago–Ōtākou Whakaihu Waka researcher says. Associate Professor Nic Rawlence, Director of the Otago Paleogenetics Laboratory, is co-author of a new paper which analyzes the fossil and its origins.