291. Anser erythropus.
THE DWARF WHITE-FRONTED GOOSE.
Male 22"; 4 lbs. Legs red. Bill orange, tip horny. Similar to A. albifrons, but smaller, and white of forehead extending as far as the eye. Back and scapulars dark grey, with cross bands. Primaries grey. Abdomen black, bordered white. Flanks dark grey. Lapland and Siberia, migrating in winter south from W. Europe through N. India to Japan. Eggs (2.9 x 2) white. (J, 948. B. 1581.)
Also A. gambeli. 29". Very similar to A. albifrons. Legs yellow. Bill white. Stripe on forehead pale yellow. Northern America (except Greenland), migrating south as far as Cuba, and along E. Asiatic coast to Japan.
Tip of upper mandible black.