7c69b0fb-e3e6-4cec-9970-ef2c3e2bffef
Population trends and migration routes of the East Asian Bean Goose Anser fabalis middendorffii and A. f. serrirostrisStochastic simulations reveal few green wave surfing populations among spring migrating herbivorous waterfowlTwo distinct flyways with different population trends of Bewick's Swan Cygnus columbianus bewickii in East Asia