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Increased body mass of ducks wintering in California's Central Valley |
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| Authors: | Joseph P. Fleskes Julie L. Yee Gregory S. Yarris Daniel L. Loughman |
| Affiliation: | 1. U.S. Geological Survey, Western Ecological Research Center, 800 Business Park Drive, Suite D, Dixon, CA, 95620 USA E-mail: joe_fleskes@usgs.gov;2. U.S. Geological Survey, Western Ecological Research Center, 800 Business Park Drive, Suite D, Dixon, CA, 95620 USA |
| Abstract: | |
| Keywords: | American wigeon Anas spp body condition California ducks green-winged teal mallard northern pintail northern shoveler wintering waterfowl |