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: 8128
The effects of heptachlor and lindane on birds, Columbia Basin, Oregon and Washington, 1976-1981 The effects of heptachlor and lindane on birds, Columbia Basin, Oregon and Washington, 1976-1981
The effects of heptachlor seed treatments on birds in the vicinity of the Umatilla National Wildlife Refuge, Oregon and Washington, were investigated from 1978 to 1981. An egg was collected from each of 60 nests representing six species. Heptachlor epoxide (HE) residues were detected in 35 eggs and were particularly high (8–13 μg g−1) in a few eggs of the black-billed magpie, mallard...
Authors
L. J. Blus, Charles J. Henny, A. J. Krynitsky
On condition bias and band-recovery data from large-scale waterfowl banding programs On condition bias and band-recovery data from large-scale waterfowl banding programs
No abstract available.
Authors
K.P. Burnham, J.D. Nichols
The use of urine, faeces, and anal-gland secretions in scent-marking by a captive wolf (Canis lupus) pack The use of urine, faeces, and anal-gland secretions in scent-marking by a captive wolf (Canis lupus) pack
No abstract available.
Authors
C. S. Asa, L.D. Mech, U.S. Seal
The need for accuracy in modelling: An example The need for accuracy in modelling: An example
The need for accurate information in modelling depends on the objectives of the effort. but trustworthy data are essential for a model intended for use in the management of natural resources. This point is illustrated by referring to a recently published model of canvasback ducks. We demonstrate that several key assumptions are not supported by biological evidence, and that inferences...
Authors
Douglas H. Johnson, M.J. Conroy, J.D. Nichols
Brown pelican populations and pollutants in Texas 1975-1981 Brown pelican populations and pollutants in Texas 1975-1981
The population status, reproductive success, and levels of environmental contaminants in brown pelicans (P. occidentalis) in Texas were studied from 1975 through 1981. Breeding populations increased from 18 pairs in 1975 to 57 pairs in 1981. All unhatched eggs salvaged for analyses of contaminant residues contained DDT metabolites. Mean DDE levels varied from 0.9 to 2.4 ppm and about 7%...
Authors
Kirk A. King, D.R. Blankinship, E. Payne, A. J. Krynitsky, Gary L. Hensler
Observation of a wolf killed by a deer Observation of a wolf killed by a deer
Wolves (Canis lupus ) probably risk injury while attempting to kill large prey (Muie, 1944; Rausch, 1967; Mech, 1970; Peterson, 1977). Rausch (1967) found that numerous wolf skulls collected in a control program had sustained injuries, probably inflicted by severe blows from moose (Alces alces ). Wolves killed by prey seldom if ever are found. The authors located only three such...
Authors
M.E. Nelson, L.D. Mech
Hawaii's seabird islands, No. 2: Hulu Island and vicinity, Maui Hawaii's seabird islands, No. 2: Hulu Island and vicinity, Maui
No abstract available.
Authors
T.R. Simons, C. B. Kepler, P.M. Simons, A.K. Kepler
Bird use and heavy metal accumulation in waterbirds at dredge disposal impoundments, Corpus Christi, Texas Bird use and heavy metal accumulation in waterbirds at dredge disposal impoundments, Corpus Christi, Texas
No abstract available.
Authors
Donald H. White, E. Cromartie
Limitations of the marrow-fat technique as an indicator of body condition Limitations of the marrow-fat technique as an indicator of body condition
No abstract available.
Authors
L.D. Mech, G. D. DelGiudice
Three new species of thread snakes (Serpentes: Leptotyphlopidae) from Hispaniola Three new species of thread snakes (Serpentes: Leptotyphlopidae) from Hispaniola
No abstract available.
Authors
R. Thomas, R.W. McDiarmid, F.G. Thompson
Eggshell characteristics of recent California condors (Gymnogyps californianus) Eggshell characteristics of recent California condors (Gymnogyps californianus)
No abstract available.
Authors
N.F.R. Snyder, L.F. Kiff, David B. Peakall
Habitat use by migrating sharp-shinned hawks at Cape May Point, New Jersey, U.S.A Habitat use by migrating sharp-shinned hawks at Cape May Point, New Jersey, U.S.A
No abstract available.
Authors
A.M.A. Holthuijzen, L. Oosterhuis, M.R. Fuller