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Publications

Below is a list of WERC's peer-reviewed publications. If you are searching for a specific publication and cannot find it in this list, please contact werc_web@usgs.gov

Filter Total Items: 3776

Age-related mortality in a wintering population of Dunlin Age-related mortality in a wintering population of Dunlin

Despite considerable evidence that juvenile shorebirds experience significantly higher annual mortality rates than adults, identification and quantification of the sources of mortality have received little attention. We found that the proportion of juvenile Dunlins (Calidris alpina) in the kills of a Merlin (Falco columbarius) one winter at Bolinas Lagoon, California was greater than the
Authors
B.E. Kus, P. Ashman, Gary W. Page, L. Stenzel

Phenotypic variation of the Mexican duck (Anas platyrhynchos diazi) in Mexico Phenotypic variation of the Mexican duck (Anas platyrhynchos diazi) in Mexico

A collection of 98 breeding Mexican Ducks (Anas platyrhynchos diazi) was made in Mexico from six areas between the United States border with Chihuahua and Lake Chapala, Jalisco, in order to study geographic variation. Plumage indices showed a relatively smooth clinal change from north to south; northern populations were most influenced by the Northern Mallard (A. p. platyrhynchos)...
Authors
N.J. Scott, R.P. Reynolds
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