Publications
This list of publications includes peer-review journal articles, official USGS publications series, reports and more authored by scientists in the Ecosystems Mission Area. A database of all USGS publications, with advanced search features, can be accessed at the USGS Publications Warehouse.
Filter Total Items: 41778
The canvasback duck (Aythya valisineria): A new host for Plasmodium
No abstract available.
Authors
R. M. Kocan
Observations on the development and significance of Leucocytozoon simondi megaloschizonts and a technique for their isolation
No abstract available.
Authors
R. M. Kocan, J.H. Barrow
Probable origin of ciliates found in oral swabbing of doves and pigeons
No abstract available.
Authors
R. M. Kocan
Lack of association among duck broodmates during migration and wintering
Male (Lensink, 1964: 19) and female ducks tend to return to the area where they last bred or were raised (Sowles, 1955). Band recovery data show a similar tendency for ducks to return to wintering areas (Stewart et al., 1958; Martinson, 1966). Wintering British Columbia Mallard (Anas platyrhynchos) populations may be definite associations of birds that breed in the same general locality, migrate t
Authors
R.K. Martinson, A.S. Hawkins
Singing behavior of the Swainson's warbler
Studies of the singing behavior of the Swainson?s Warbler were conducted mainly near Macon, Bibb County, Georgia, and in the Dismal Swamp, Nansemond County, Virginia, during the springs of 1965 and 1966. Singing behavior on the ground and in trees is discussed. Swainson?s Warblers sing vigorously from the time they arrive on the breeding ground until the latter part of June, when the singing of mo
Authors
B. Meanley
Yellow-headed blackbird at the Patuxent Wildlife Research Center
No abstract available.
Authors
B. Meanley