Biogeographic models of gene flow in two waterfowl of the Australo-Papuan tropics

There are many large, easy‐to‐observe anseriform birds (ducks, geese, and swans) in northern Australia and New Guinea and they often gather in large numbers. Yet, the structure of their populations and their regional movements are poorly understood. Lack of understanding of population structure limits our capacity to understand source‐sink dynamics relevant to their conservation or assess risks associated with avian‐borne pathogens, in...