| Citation | Lewis, T.L., D. Esler, W.S. Boyd and R. Zydelis 2005 Nocturnal foraging behavior of wintering Surf Scoters and White-winged Scoters. The Condor 107:637-647. |
| DOI / ISBN | |
| Paper URL | http://www.sfu.ca/biology2/wildberg/papers/LewisetalCondor05.pdf |
| Ref. No. | 124889 |
| Language | English |
| Usage | used in part |
| Remarks | |
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