Publications
This is a list of publications written by Patuxent employees since Patuxent opened in 1939. To search for Patuxent's publications by author or title, please click below to go to the USGS Publication Warehouse.
Filter Total Items: 8199
An epizootic among eider ducks involving an acanthocephalid worm
No abstract available.
Authors
G. M. Clark, D. O'Meara, J.W. VanWeelden
Calcium, phosphorus and protein levels as factors in the distribution of the pheasant
Summary of work on pheasant nutrition conducted since 1949 at the Patuxent Research Refuge. Pheasant chicks fed experimental diets failed to develop normally on protein levels of 15 and 18%. With 22% protein they grew at a reduced rate as compared to those on 28%. Protein level of the reproductive diet was shown to be important; low production of eggs and young resulted from levels below 25%. Calc
Authors
F.H. Dale, J.B. DeWitt
Distemper in raccoons and foxes suspected of having rabies
1) Twenty-one raccoons and 3 red foxes were collected from areas where suspected rabies occurred. All were found to be nonrabid. 2) Distemper was diagnosed in 14 of the 21 raccoons by demonstrating intracytoplasmic and intranuclear inclusions in the brain and visceral tissues. Two of the 3 foxes were considered to have distemper; the clinical signs were typical and mouse inoculation tests were n
Authors
R.T. Habermann, C. M. Herman, F.P. Williams
Post-copulatory display in fulvous and black-bellied tree ducks
The courtship display of tree ducks has been characterized as simple, resembling that of the swan (Delacour, 'Waterfowl of the World', vol. 1, p. 32, London, 1954). However F. Finn ('Bird Behaviour', p. 262, London, 1919) called attention briefly to the fact that "there is frequently a marked display after, but not before, pairing, both parties executing a step-dance in the water with one wing he
Authors
B. Meanley, A.G. Meanley
Growth and development of the king rail
Growth and development of the King Rail (Rallus elegans) from hatching to first flight were studied by observations and measurements of captive birds and by observations of natural nests in the field. This is the fourth in a series of reports on the life history of the King Rail (Meanley 1953, 1956, and 1957). Information in this paper is intended to supplement the data of Bent (1925) on growth a
Authors
B. Meanley, A.G. Meanley
Harris' sparrow wintering in Montgomery County, Maryland
No abstract available.
Authors
C.S. Robbins