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The Condor 
  Volume 83, Number 1
  February, 1981
Brown Pelicans in Southern California: Habitat Use and Environmental Fluctuations (DjVu | PDF)
Kenneth T. Briggs , David B. Lewis , William Breck Tyler , George L. Hunt, Jr. ,  1-15

Ecological Relations and Social Interactions of Philadelphia and Red-Eyed Vireos (DjVu | PDF)
Scott K. Robinson ,  16-26

Flock Composition, Breeding Success, and Learning in the Brown Jay (DjVu | PDF)
Marcy F. Lawton , Carlos F. Guindon ,  27-33

Plot Size as a Factor in Winter Bird-Population Studies (DjVu | PDF)
R. Todd Engstrom , Frances C. James ,  34-41

Distribution Patterns of Raptors in Relation to Density of Meadow Voles (DjVu | PDF)
James A. Baker , Ronald J. Brooks ,  42-47

Notes on Nesting Raptors in the Llanos of Venezuela (DjVu | PDF)
William J. Madeh ,  48-51

Relationships Between Jackrabbit Abundance and Ferruginous Hawk Reproduction (DjVu | PDF)
Dwight G. Smith , Joseph R. Murphy , Neil D. Woffinden ,  52-56

Reproductive Performance of Ring-Billed Gulls in Relation to Nest Location (DjVu | PDF)
Patricia Lynn Ryder , John P. Ryder ,  57-60

Nesting of the Sage Thrasher, Sage Sparrow, and Brewer's Sparrow in Southeastern Idaho (DjVu | PDF)
Timothy D. Reynolds ,  61-64

Migrant Birds at Shemya Island, Aleutian Islands, Alaska (DjVu | PDF)
Daniel D. Gibson ,  65-77

SHORT COMMUNICATIONS

Observations of a Large Roost of Common Ravens (DjVu | PDF)
Ravens B. Stiehl ,  Page 78

Age-Related Differences in Piracy of Frigatebirds from Laughing Gulls (DjVu | PDF)
Michael Gochfeld , Joanna Burger ,  79-82

Cooperative Feeding, Defense of Young, and Flocking in the Black-Faced Grosbeak (DjVu | PDF)
Timothy C. Moermond ,  82-83

First Description of the Nest, Eggs, and Young of the Tumbes Sparrow (Aimophila [Rhynchospiza] Stolzmanni) (DjVu | PDF)
Morris D. Williams ,  83-84

Jabiru Nest, Nest Building, and Quintuplets (DjVu | PDF)
Betsy Trent Thomas ,  84-85

Nest-Site Selection and the Radiative Environment of the Warbling Vireo (DjVu | PDF)
Clenn K. Walsberg ,  86-88

Non-Random Orientation of Gila Woodpecker Nest Entrances in Saguaro Cacti (DjVu | PDF)
Richard S. Inouye , Nancy J. Huntly , David W. Inouye ,  88-89

Observations of Feeding at Sea by a Peregrine Falcon and an Osprey (DjVu | PDF)
William Rogers , Stephen Leatherwood ,  89-90

Embryonic Double Monster in the Wedge-tailed Shearwater (DjVu | PDF)
Ted N. Pettit , G. Causey Whittow ,  Page 91

 Information for Contributors (DjVu | PDF)
92-93

News and Notes (DjVu | PDF)
Page 94

The Bulletin Board (DjVu | PDF)
Page 94

Recent Publications (DjVu | PDF)
p0015-p0095

Front Matter (DjVu | PDF)

Back Matter (DjVu | PDF)

Cover to Cover (DjVu)

 

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