Larger image view: Bird flu clues may lurk in Alaska wildfowl
A Black Brant guards a gosling and a nest containing five eggs.
Photo courtesy Jonathan Runstadler, Institute of Arctic Biology
Filename: Black_Brant_Guards_Nest.jpg
All images in the UAF Newsroom are protected by copyright and may not be downloaded or used without permission. If you are interested in obtaining permission to use an image from the Newsroom, please fill out the .