Fig. 1: Morphology and geographical distribution of domestic geese breeds and their ancestors.

Circles are colored according to population. Domestic geese breeds including XGG (Xingguo gray goose), LXW (Lingxian white goose), LHW (Lianhua white goose), FCG (Fengcheng gray goose), and GFW (Guangfeng white goose) in China and LDG (Landaise goose) in Europe. Ancestors include ACy (swan goose, Anser cygnoides) and AAn (greylag goose, Anser anser).