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
Organochlorine residues in bats after a forest spraying with DDT Organochlorine residues in bats after a forest spraying with DDT
Background levels of DDT and its metabolites (ZDDT) were extremely low or not detected in five species of forest-dwelling bats in northeastern Oregon, i.e., areas not sprayed with DDT in 1974. Other organochlorine pesticides were rarely found and no polychlotinated biphenyls (PCBs) were detected at any time during the study. Four of five species of bats showed significant changes in Z...
Authors
Charles J. Henny, Chris Maser, John O. Whitaker, T. Earl Kaiser
Isolation of hydrocarbon residues from sediment by steam distillation Isolation of hydrocarbon residues from sediment by steam distillation
No abstract available.
Authors
A. A. Belisle, M. L. Gay
Marine birds of the southwestern United States and Gulf of Mexico. Part 1, Gaviiformes through Pelecaniformes Marine birds of the southwestern United States and Gulf of Mexico. Part 1, Gaviiformes through Pelecaniformes
No abstract available.
Authors
R. B. Clapp, R.C. Banks, D. Morgan-Jacobs, W.A. Hoffman
Population ecology of the mallard: VII. Distribution and derivation of the harvest Population ecology of the mallard: VII. Distribution and derivation of the harvest
This is the seventh in a series of comprehensive reports on population ecology of the mallard (Anas platyrhynchos) in North America. Banding records for 1961-1975 were used, together with information from previous reports in this series, to estimate annual and average preseason age and sex structure of the mallard population and patterns of harvest distribution and derivation. Age ratios...
Authors
Robert E. Munro, Charles F. Kimball
Terrestrial animal species panel Terrestrial animal species panel
No abstract available.
Authors
R. Gerrits, G. Rabb, G. Gee
Regional population inferences for the American woodcock Regional population inferences for the American woodcock
Woodcock (Philohela minor) bandings and recoveries from 1967 to 1977 were analyzed from two large banding reference areas corresponding to existing Eastern and Central harvest units. We examined temporal, age-specific, sex-specific, and geographic variation in both survival and recovery rates, using recently developed stochastic models. Survival rate estimates for females were higher...
Authors
T.J. Dwyer, J.D. Nichols
Mourning Dove Nesting: Seasonal Patterns and Effects of September Hunting Mourning Dove Nesting: Seasonal Patterns and Effects of September Hunting
A nationwide State/Federal cooperative study was initiated in 1978 to examine effects of September hunting on mourning dove (Zenaida macroura) nesting. This study was designed to (1) determine the proportion of the annual total of dove nesting activity and production that occurs in September and October, and (2) determine if survival rates of mourning dove eggs and nestlings are lower in...
Authors
P.H. Geissler, David D. Dolton, R.A. Coon, H.F. Percival, R. Field, D. W. Hayne, L.D. Soileau, R.R. George, J.H. Dunks, S.D. Bunnell
Social organization in a nesting population of eastern willets (Catoptrophorus semipalmatus) Social organization in a nesting population of eastern willets (Catoptrophorus semipalmatus)
The breeding ecology of eastern Willets (Catoptrophorus semipalmatus) was studied over a 3-yr period in a salt marsh on the Atlantic coast of Virginia. During the study, 171 adults were color-marked. Willets are strictly monogamous and show strong site and mate fidelity from year to year. Normally a pair bond dissolves only after one member dies or fails to return in the spring. With an...
Authors
M.A. Howe
Museum Section, U.S. Fish and Wildlife Service Museum Section, U.S. Fish and Wildlife Service
No abstract available.
Authors
R.D. Fisher
Ecology of avian brood parasitism at an early interfacing of host and parasite populations Ecology of avian brood parasitism at an early interfacing of host and parasite populations
The shiny cowbird (Molothrus bonariensis), a brood parasite, has recently spread into the Greater Antilles from South America via the Lesser Antilles. This species is a host generalist and upon reaching Puerto Rico exploited avian communities with no history of social parasitism. Forty-two percent of the resident non-raptorial land bird species were parasitized in mangrove habitat study...
Authors
J. W. Wiley
Assessment of some important factors affecting the singing-ground survey Assessment of some important factors affecting the singing-ground survey
A brief history of the procedures used to analyze singing-ground survey data is outlined. Some weaknesses associated with the analytical procedures are discussed, and preliminary results of efforts to improve the procedures are presented. The most significant finding to date is that counts made by new observers need not be omitted when calculating an index of the woodcock population...
Authors
J. Tautin