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Journal of Raptor Research, Volume 25, Number 4 (1991)

Publication Information
Journal: 
Journal of Raptor Research
Year: 
1991
Volume: 
25
Issue: 
4 (Winter)


CONTENTS


SCIENTIFIC ARTICLES

Raptor Densities along the Paraguay River: Seasonal, Geographical and Time of Day Variation. 101-108.
Floyd E. Hayes.
The Diet of Chesapeake Bay Ospreys and Their Impact on the Local Fishery. 109-112.
Peter K. Mclean, Mitchell A. Byrd.
Reproductive Investment and Anti-Predator Behavior in Cooper's Hawks During the Pre-Laying Period. 113-115.
Robert N. Rosenfield, John Bielefeldt.
Food Habits of Gurney's Buzzard in Pre-Andean Ranges and the High Andean Plateau of Northernmost Chile. 116-119.
Fabian M. Jaksic, Sergio Silva, Pablo A. Marquet, Luis C. Contreras.
Distribution of Boreal Owl Observation Records in Wyoming. 120-122.
Christopher S. Garber, Richard L. Wallen, Katherine E. Duffy.
Peregrine Falcons and Merlins in Sinaloa, Mexico, in Winter. 123-126.
James H. Enderson, Craig Flatten, J. Peter Jenny.
Hunting Techniques and Success Rates of Urban Merlins (Falco Columbarius). 127-131.
Navjot S. Sodhi, Ian G. Warkentin, Lynn W. Oliphant.
Nesting Phenology, Site Fidelity, and Defense Behavior of Northern Goshawks in New York and New Jersey. 132-135.
Robert Speiser, Thomas Bosakowski.

SHORT COMMUNICATIONS

Injury to a Merlin (Falco Columbarius) from Discarded Fishing Tackle. 136-139.
Jimmie R. Parrish, Brian A. Maurer.
Food Habits of the Great Horned Owl (Bubo Virginianus) in the Cape Region of Lower California, Mexico. 140-141.
Jorge Llinas-Gutierrez, Gustavo Arnaud, Marcos Acevedo.
Notes on the Food Habits of the Bat Falcon (Falco Rufigularis) in Tamaulipas, Mexico. 142-143.
Felipe Chavez-Ramirez, Ernesto C. Enkerlin.
Food Habits of Breeding Short-Eared Owls in Southwestern British Columbia. 143-145.
Karen L. Wiebe.

LETTERS

Sharp-Shinned Hawk Predation of a Male American Kestrel. 146.
 
News and Reviews. 147-150.
 
Abstracts of Presentations Made at the Annual Meeting of the Raptor Research Foundation, Inc., Held at Tulsa, Oklahoma, on 6-10 November 1991. 151-164.
 

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