A winter record of the Wilson's warbler at the Patuxent Wildlife Research Center, Laurel, Maryland
Louis N. Locke, F.S. Locke
1969, Maryland Birdlife (25) 16
No abstract available....
The wild camellia and dwarf trillium in the Great Dismal Swamp
Brooke Meanley
1969, Atlantic Naturalist (24) 19-20
A method for producing healthy carriers of the Jones' barn strain of Trichomonas gallinae
R.M. Kocan
1969, Journal of Parasitology (55) 397
No abstract available....
Dieldrin and eggshell thickness in ducks
P.N. Lehner, A. Egbert
1969, Nature (224) 1218-1219
Growth and mortality of herring gull chicks
John A. Kadlec, William H. Drury, D.K. Onion
1969, Bird-Banding (40) 222-233
No abstract available....
Loss of bands from adult herring gulls
John A. Kadlec, William H. Drury
1969, Bird-Banding (40) 216-221
No abstract available....
Interference from extraction thimbles in the gas chromatographic analysis of insecticides
Thair G. Lamont, Eugene Cromartie
1969, Journal of Chromatography A (39) 325-326
No abstract available....
Pre-nesting and nesting behavior of the Swainson's warbler
Brooke Meanley
1969, The Wilson Bulletin (81) 246-257
The Swainson?s Warbler is one of the least known of southern birds. Although fairly common in some parts of its summer range, observations of its breeding biology have been made by very few persons. The present study was conducted mostly at Macon, Georgia; Pendleton Ferry, Arkansas; and Dismal Swamp, Virginia....In...
Lead poisoning and aspergillosis in an Andean condor
Louis N. Locke, George E. Bagley, D.N. Frickie, L. T. Young
1969, Journal of the American Veterinary Medical Association (155) 1052-1056
Pyramiding damage
T.J. Peterle
1969, Environment (11) 34-40
Different organ preferences by the same strain of Trichomonas gallinae in different host species
R.M. Kocan
1969, Journal of Parasitology (55) 1003
No abstract available....
Various grains and liquid as potential vehicles of transmission for Trichomonas gallinae
R.M. Kocan
1969, Bulletin of the Wildlife Disease Association (5) 148-149
No abstract available. ...
Swainson warbler in the Dismal Swamp
Brooke Meanley
1969, Atlantic Naturalist (24) 204-205
Notes on Dismal Swamp birds
Brooke Meanley
1969, Raven (40) 47-49
1968 annual banding report
L. L. Hood
1969, IBBA [Inland Bird Banding Association] News (41) 100-117
Significance of chlorinated hydrocarbon residues to breeding pelicans and cormorants
D. W. Anderson, J.J. Hickey, R.W. Risebrough, D.F. Hughes, R. E. Christensen
1969, Canadian Field-Naturalist (83) 91-112
No abstract available....
The impact of disease on wildlife populations
Carlton M. Herman
1969, BioScience (19) 321-330
It is postulated that disease is a product of adverse habitats. Overpopulation causes overutilization of food supplies, which results in malnutrition and a decrease in resistance to diseases. Examples of such ecological relationships in populations of Canada geese, California quail, red grouse, deer, rabbits, voles, mice and lemmings...
Marked DDE impairment of mallard reproduction in controlled studies
R.G. Heath, James W. Spann, James F. Kreitzer
1969, Nature (224) 47-48
A second-hand band
E.B. Baysinger
1969, IBBA [Inland Bird Banding Association] News (41) 140
The killing efficiency of soft iron shot
R. Andrews, J. R. Longcore
1969, Transactions of the North American Wildlife and Natural Resources Conference (34) 337-345
A cooperative research effort between the ammunition industry and the Bureau of Sport Fisheries and Wildlife is aimed at finding a suitable non-toxic substitute for lead shot. A contract study by an independent research organization evaluated ways of coating or detoxifying lead shot or replacing it with another metal. As...
Bird records from Nevada
R.C. Banks (compiler), D.E. Lewis
1969, Condor (71) 439-441
No abstract available....
The 1969 annual meeting of IBBA
L. L. Hood
1969, IBBA [Inland Bird Banding Association] News (41) 203-204
Pictures of the Banding Laboratory
L. L. Hood
1969, IBBA [Inland Bird Banding Association] News (41) 65-68
1968 inland Canadian banding report
L. L. Hood
1969, IBBA [Inland Bird Banding Association] News (41) 147-149
The greater shearwater in Maryland
D.M. Bridge, S. Hundt, Willet T. Van Velzen, Aldeen C. Van Velzen
1969, Maryland Birdlife (25) 111-115