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The Condor, Volume 74, Number 2 (1972)

Publication Information
Journal: 
Condor
Year: 
1972
Volume: 
74
Issue: 
2 (April)

CONTENTS

Drinking Patterns and Behavior of Australian Desert Birds in Relation to Their Ecology and Abundance. 111-136.
Charles D. Fisher, Eric Lindgren, William R. Dawson.
Vocal Dialects and Gene Frequencies in the Chingolo Sparrow (Zonatrichia Capensis). 137-143.
Fernando Nottebohm, Robert K. Selander.
Social Organization of Willow Ptarmigan on Their Breeding Grounds in Interior Alaska. 144-151.
Robert Moss.
Reproductive Cycle and Nesting Success of the Mountain White-Crowned Sparrow (Zonotrichia Leucophrys Oriantha) in the Central Sierra Nevada. 152-163.
Martin L. Morton, Judith L. Horstmann, Janet M. Osburn.
Incubation Schedules of Four Species of Calidridine Sandpipers at Barrow, Alaska. 164-176.
David W. Norton.
Temperature Regulation in Newly Hatched Laughing Gulls (Larus Atricilla). 177-184.
William R. Dawson, Jack W. Hudson, Richard W. Hill.
The Structure and Possible Function of the Avian Seminal Sac. 185-190.
Alex L. A. Middleton.
Sexual Dimorphism in Accipiter Hawks: A New Hypothesis. 191-197.
Richard T. Reynolds.
News and Notes. 223-225.
 .
Publications Received. 225.
 .
The Bulletin Board. 226.
 .
Cooper Ornithological Society. 227.
 .
Summary of Cash Receipts and Disbursements and Changes in Fund Balances. 227.
 .

Short Communications

Cranial Pneumatization in the Indain Weaver Bird, Ploceus Philippinus. 198-200.
Krishna Biur, J. P. Thapliyal.
The Shell Pigment of Golden Eagle Eggs. 200-201.
Cecil C. Hyndman, Adele S. Hyndman.
Prolonged and Bisexual Incubation By California Ospreys. 201-202.
David P. Carber, James R. Koplin.
Shortness of Tail in Red-Crowned Woodpeckers and Their Habit of Entering Roost Holes Backward. 202-204.
Lawrence Kilham.
Change of Winter Feeding Sites By Individual Brown-Headed Cowbirds. 204.
Paul A. Stewart.
Testosterone-Induced Singing in Female White-Crowned Sparrows. 204-209.
Michael D. Kern, James R. King.
Some Temperatures of Panamanian Birds. 209-215.
Yoshika Oniki.
A Northerly Wintering Record of the Elf Owl (Micrathene Whitneyi). 215.
Charles A. Ely, Richard S. Crossin.
Die-Off of Common Murres on the Alaska Peninsula and Unimak Island. 215-219.
Edcar P. Bailey, Glenn H. Davenport.
Hovering Behavior By House Finches. 219-221.
Patria A. Taylor.
Zone-Tailed Hawk and Turkey Vulture; Mimicry Or Aerodynamics?. 221-222.
Helmut C. Mueller.
Recovery of a Pennsylvania-Banded Blue-Gray Gnatcatcher in Western Mexico. 222.
Kenneth C. Parkes, Mary H. Clench.
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