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 breeding ecology of sea birds on Monito Island, Puerto Rico The breeding ecology of sea birds on Monito Island, Puerto Rico
Monito Island, a 15-ha plateau surrounded by steep undercut cliffs, lies halfway between Puerto Rico and the Dominican Republic. Seven of the 9 sea birds are known to breed, and 2 (Blue-faced Booby and Laughing Gull) are here recorded as breeders in Puerto Rico for the first time. The Pelecaniformes are represented by 5 species, the White-tailed Tropicbird, the 3 pan-tropical boobies...
Authors
C. B. Kepler
Prealternate molt in nuthatches Prealternate molt in nuthatches
Nuthatches of the genus Sitta constitute one of the passerine groups in which prealternate (prenuptial) molt is generally believed not to occur. Dwight (1900: 298) discussed this genus with the family Paridae and stated: "All the members of this family have only the annual moult. They are peculiar in assuming a juvenal plumage closely resembling the pale nuptial plumage which results...
Authors
Richard C. Banks
Reevaluation of the sight-record of gray-breasted martin in Florida Reevaluation of the sight-record of gray-breasted martin in Florida
No abstract available.
Authors
P.W. Sykes, H.P. Langridge
The sea birds of Culebra and its adjacent islands, Puerto Rico The sea birds of Culebra and its adjacent islands, Puerto Rico
No abstract available.
Authors
C. B. Kepler, A.K. Kepler
Osprey distribution, abundance, and status in western North America: I. The northern California population Osprey distribution, abundance, and status in western North America: I. The northern California population
An estimated 355± 40 pairs (95 percent C.I.) of Ospreys (Pandion haliaetus carolinensis) nested in the northern California survey area in 1975. Eighty-one pairs were estimated along the extreme northern coast in Del Norte and Humboldt Counties. One hundred and forty-four pairs were estimated along California's northern coast in Mendociuo, Sonoma, and Marin Counties. The northern interior...
Authors
Charles J. Henny, David J. Dunaway, Robert D. Mallette, James R. Koplin
Mexican nesting records for the American bittern Mexican nesting records for the American bittern
No abstract available.
Authors
R.C. Banks, R.W. Dickerman
Biological perspectives for the mourning dove call-count survey Biological perspectives for the mourning dove call-count survey
No abstract available.
Authors
T.S. Baskett, M.J. Armbruster, M. W. Sayre
Effects of chronic ingestion of South Louisiana crude oil on mallard ducklings Effects of chronic ingestion of South Louisiana crude oil on mallard ducklings
South Louisiana crude oil was fed to duckling mallards (Anas platyrhynchos) in concentrations of 0.025, 0.25, 2.5, and 5.0% of the diet from hatching to 8 weeks of age to assess the effects of chronic oil ingestion during early development. Growth was depressed in birds receiving a diet containing 5% oil but there was no oil-related mortality. Diets containing 0.25, 2.5, and 5.0% oil...
Authors
Robert C. Szaro, M. P. Dieter, G. H. Heinz, J. F. Ferrell