The Condor, Volume 76, Number 2 (1974)

Journal
Condor
Volume
76
Issue
2 (April)
Year
1974

CONTENTS

On Latitudinal Gradients in Avian Diversity. 123-130.
Elliot J. Tramer.
History and Ecology of a Colony of Barn Owls in Utah. 131-136.
Dwight G. Smith, Charles R. Wilson, Herbert H. Frost.
A Biometric Analysis of Oriole Hybridization. 137-146.
R. K. Misra, Lester L. Short.
The Avian Egg: Incubation Time and Water Loss. 147-152.
H. Bahn, A. Ab.
The Avian Egg: Water Vapor Conductance, Shell Thickness, and Functional Pore Area. 153-158.
A. Ar, C. V. Paganelli, R. B. Reeves, D. G. Greene, H. Rahn.
The Phenology of the Nesting Season of the American Robin (Turdus Migratorius) in the United States. 159-168.
Frances C. James, H. H. Shugart, Jr..
The Pleistocene Rails of North America. 169-175.
Storrs L. Olson.
Calculating the Nocturnal Energy Expenditure of an Incubating Anna's Hummingbird. 176-183.
W. K. Smith, S. W. Roberts, P. C. Miller.
An Urban Bird Community in Tucson, Arizona: Derivation, Structure, Regulation. 184-197.
John T. Emlen.
Seasonal Variation in the Metabolism and Thyroid Activity of the Black-Capped Chickadee (Parus Atricapillus). 198- 203.
James D. Rising, Jack W. Hudson.
Review of the Status of the Yellow-Billed Cuckoo in California: Sacramento Valley Populations. 204-209.
David Gaines.
News and Notes. 230-231.
 .
Publications Received. 231.
 .
The Bulletin Board. 231.
 .
Cooper Ornithological Society. 232.
 .

Short Communications

Notes on the Structure of the Upper Eyelid of Potoos (Nyctibius). 210-211.
Jose Iganacio Borrero H..
The Autumn Diet of Spruce Grouse: A Regional Comparison. 212-214.
Fred C. Zwickel, D. A. Boag, J. H. Brigham.
Flight Displays in Two American Species of Buteo. 214-215.
John P. Hubbard.
A Courtship Flight of the Swainson's Hawk. 215.
Richard R. Olendorff.
Increased Mortality of Cooper's Hawks Accustomed to Man. 215-216.
Helen A. Snyder, Noel F. R. Snyder.
Nesting Success of the Cactus Wren in Relation to Nest Orientation. 216-217.
George T. Austin.
A Melanistic White-Tailed Tropicbird. 217-218.
Storrs L. Olson.
The Use of Western Harvester Ant Mounds as Strutting Locations By Sage Grouse. 218-219.
Keith I. Giezentanner, William H. Clark.
Function of Eye Coloration in North American Accipiters. 219-222.
Noel F. R. Snyder, Helen A. Snyder.
Barred Owl Records in Western Montana. 222.
David S. Shea.
Reproductive Aspects, Growth, and Development of Greenland Mallards. 223-225.
Raymond J. Greenwood.
Seasonal Predation on Moles By the Red-Tailed Hawk. 225.
John C. Hafner.
The Inheritance of Clutch Size in the Great Tit (Parus Major L.). 225-229.
C. M. Perrins, P. J. Jones.
An Unusual House Sparrow Roost. 229.
Carl D. Marti.
Predation of Xantus' Murrelet By Western Gull. 229.
Robert D. Oades.
Attachment Size
Back Matter (PDF) (328.06 KB) 328.06 KB
Front Matter (PDF) (278.6 KB) 278.6 KB

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