American Ornithological Society Publications Office
Caption
Common Eiders need nutrients from both their wintering and breeding grounds to grow healthy eggs.
Credit
G. Gilchrist
Usage Restrictions
With credit
License
Licensed content
Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.