The Condor, Volume 75, Number 2 (1973)

Journal:
Condor
Volume:
75
Issue:
2 (April)
Year:
1973

CONTENTS

A New Race of Sumichrast's Wren From Chiapas, Mexico. 137-139.
Richard S. Crossin, Charles A. Ely.
Observations on the Breeding Adaptations of the Roadrunner. 140-149.
Robert D. Ohmart.
Ecological Distribution of Birds in the Kolomak River-Askinuk Mountain Region, Yukon-Kuskokwim Delta, Alaska. 150- 163.
Richard T. Holmes, Craig P. Black.
Variation in the Incidence of Hatching Failure in the Cedar Waxwing and Other Species. 164-169.
Stephen I. Rothstein.
Contact Zones and Hybridization in the Jamaican Hummingbird, Trochilus Polytmus (L.). 170-176.
Frank B. Gill, F. J. Stokes, C. Stokes.
Distribution of Two Western Clapper Rail Races as Determined By Responses to Taped Calls. 177-183.
Roy E. Tomlinson, Richard L. Todd.
Postnuptial Molt and Its Relation to Reproductive Cycle and Body Weight in Mountain White-Crowned Sparrows (Zonotrichia Leucophrys Oriantha) . 184-189.
Martin L. Morton, David E. Welton.
Growth Rate and Ontogeny of Thermoregulation in Nestling Great-Tailed Grackles, Cassidix Mexicanus Prosopidicola (Icteridae). 190-199.
Robert F. Gotie, James C. Kroll.
Notes on the Breeding Biology and Behavior of the Magnificent Frigatebird. 200-209.
A. W. Diamond.
Winter Ecology of Migrant and Resident Lewis' Woodpeckers in Southeastern Colorado. 210-224.
Harlo H. Hadow.
Seed Preferences and Digestive Efficiency of Cardinals and Song Sparrows. 225-234.
Mary F. Willson, Janet C. Harmeson.
The Bulletin Board. 255.
 .
News and Notes. 256-257.
 .
Summary of Cash Receipts and Disbursements and Changes in Fund Balances. 258.
 .
Cooper Ornithological Society Statement of Assets and Fund Balances Resulting From Cash Transactions. 258.
 .

Short Communications

The Effects of Weather and Ice Conditions on Breeding in Adelie Penguins. 235-239.
David G. Ainley, Robert E. Leresche.
Richardson's Zacatecas Collection, I. 239-241.
J. Dan Webster.
House Sparrows (Passer Domesticus) in the Amazon. 242-243.
Nicel J. H. Smith.
Fossil Birds From the Late Pleistocene Ingleside Fauna, San Patricio County, Texas. 243-244.
Alan Feduccia.
Techniques for Color-Marking Hummingbirds. 244-245.
F. Gary Stiles, Larry L. Wolf.
Cedar Waxwings in Central Alaska. 245-246.
Bryan L. Sage.
Observations on the Urban Feeding Habits of the Roadrunner (Geococcyx Californianus). 246.
Robert E. Wright.
Tongue Structure of the Plumed Whistling Duck (Dendrocygna Eytoni). 246-247.
M. Kent Rylander, Eric G. Bolen.
Two Records of White-Throated Sparrows (Zonotrichia Albicollis) in Alaska. 248.
Robert B. Weeden, Judith S. Weeden.
Record of a Robin Feeding Shrews to Its Nestlings. 248.
Leon R. Powers.
Distribution and Generic Placement of the Plain Tyrannulet (Inezia Inornata). 249-250.
Kenneth C. Parkes.
Unusual Mobbing Behavior By Incubating Pinon Jays. 251-252.
Russell P. Balda, Gary C. Bateman.
Confused Nocturnal Behavior of a Flock of Migrating Yellow Wagtails. 252-253.
Michael Cochfeld.
New Northern Record for Xantus Murrelet. 253.
Gerald A. Sanger.
Shell-Thinning in Eggs of the Ashy Petrel (Oceanodroma Homochroa) From the Farallon Islands. 254-255.
Malcolm C. Coulter, Robert W. Risebrough.
Attachment Size
Back Matter (PDF) (337.88 KB) 337.88 KB
Front Matter (PDF) (287.81 KB) 287.81 KB

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