Book Chapters
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The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse more than 5,500 book chapters authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.
Filter Total Items: 6158
Pre-nesting cooperation in birds: another form of helping behavior Pre-nesting cooperation in birds: another form of helping behavior
No abstract available.
Authors
M.S. Foster
Productivity, pesticides, and management of the Peregrine Falcon in Arizona Productivity, pesticides, and management of the Peregrine Falcon in Arizona
In the decade since research commenced with the Peregrine in Arizona, over 60 sites have been identified which historically or presently are occupied by breeding pairs. Productivity was determined for about 120 breeding attempts from 1975-85. Almost all sites, for which productivity information is available for two or more years, have hatched young. Average values for fledging success...
Authors
D. H. Ellis
Recent changes in the ranges of North American birds Recent changes in the ranges of North American birds
The North American Breeding Bird Survey has provided an annual index of population change since 1966. About 2400 randomly distributed roadside routes of 50 three-minute stops each provide the basic data for computer analysis. One of the reports produced shows the percentage of routes on which each species is encountered in each state and each Canadian province. This percentage is used to...
Authors
C.S. Robbins
Sea otters and shellfisheries Sea otters and shellfisheries
No abstract available at this time
Authors
J. A. Estes, G.R. VanBlaricom
Seasonal and interannual nutrient variability in northern San Francisco Bay Seasonal and interannual nutrient variability in northern San Francisco Bay
No abstract available.
Authors
R. E. Smith, D. H. Peterson, S.W. Hager, D.D. Harmon, L. E. Schemel, R.E. Herndon
Status and conservation of forest raptors in the West Indies Status and conservation of forest raptors in the West Indies
No abstract available.
Authors
J. W. Wiley
Status and conservation of raptors in the West Indies Status and conservation of raptors in the West Indies
No abstract available.
Authors
J. W. Wiley
Status of the osprey in the West Indies Status of the osprey in the West Indies
No abstract available.
Authors
J. W. Wiley
Status, research, and management needs of the native Hawaiian biota: A summary Status, research, and management needs of the native Hawaiian biota: A summary
No abstract available.
Authors
Stephen Mountainspring
Summary of bird censusing and atlasing in North America Summary of bird censusing and atlasing in North America
This paper reviews the historical development, present status and methods of the principal bird census and atlas projects in North America.
Authors
C.S. Robbins
The Andean condor as a research surrogate for the California condor The Andean condor as a research surrogate for the California condor
Captive propagation of Andean Condors (Vultur gryphus) was initiated at the Patuxent Wildlife Research Center in 1966 in anticipation of the need to apply resulting techniques to the captive breeding of the endangered California Condor (Gymnogyps californianus). This report summarizes the progress made on this Andean Condor breeding and research project, with emphasis on recent fostering...
Authors
J. W. Carpenter, F. J. Dein, D. H. Ellis