white-fronted goose

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Either of two gray-brown wild geese, Anser albifrons of northern regions of Eurasia and North America, or A. erythropus of northern Eurasia, having yellow legs and a white patch on the face.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A goose that has bright orange legs and mouse-coloured upper wing-coverts, Anser albifrons.