From the U.S. Fish and Wildlife Service's online digital media library.
Check http://images.fws.gov/ for higher quality version, and http://www.fws.gov/help/policies.html for copyright information.

Metadata
Title: Emperor Goose in Flight - Close View
Alternative Title: Chen canagica
Creator: U.S. Fish and Wildlife Service
Source: DI-0002
Publisher: (none)
Contributor: ASSISTANT REGIONAL DIRECTOR-EXTERNAL AFFAIRS
Language: EN - ENGLISH
Rights: (public domain)
Audience: (general)
Subject: Birds, Waterfowl, Emperor Geese, Alaska
Date Issued: April 05 2005

The Emperor Goose (Chen canagica) is a species of goose. It breeds around the Bering Sea, mostly in Alaska, USA, but also in Kamchatka, Russia. It is migratory, wintering mainly in the Aleutian Islands. Some authorities places this species in the more traditional grey goose genus Anser.