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The Condor, Volume 71, Number 3 (1969)

3 (July)


Convergent Characteristics in Sympatric Species: A Possible Relation to Interspecific Competition and Aggression. 223- 239.
Martin L. Cody.
Birds and the Ant X Acacia Interaction in Central America, with Notes on Birds and Other Myrmecophytes. 240-256.
Daniel H. Janzen.
Vocalizations of the Rufous-Sided Towhee, Pipilo Erythrophthalmus Oregonus. 257-266.
Joan Beltz Roberts.
Seasonal Cycle of Reproductive Physiology in the Black-Billed Magpie. 267-279.
Michael J. Erpino.
Food Habits of Canvasbacks, Redheads, and Lesser Scaup in Manitoba. 280-290.
James C. Bartonek, Joseph J. Hickey.
Respiratory Metabolism of the Red-Winged Blackbird in Relation to Ambient Temperature. 291-298.
R. W. Lewies, M. I. Dyer.
The Song of the Chingolo, Zonotrichia Capensis, in Argentina: Description and Evaluation of a System of Dialects. 299- 315.
Fernando Nottebohm.
Ecological Aspects of Migration, and Pre-Migratory Fat Deposition in the Lesser Redpoll, Carduelis Flammea Cabaret. 316- 330.
P.R. Evans.
News and Notes. 337-338.
Publications Received. 338.
Cooper Ornithological Society Statement of Assets and Fund Balances Resulting From Cash Transactions. 339.
Summary of Cash Receipts and Disbursements and Changes in Fund Balances. 339.
The Bulletin Board. 340.

Short Communications

Recent Bird Records From the Virgin River Valley of Utah, Arizona, and Nevada. 331-335.
Roland H. Wauer.
Calculation and Miscalculation of the Equations Relating Avian Standard Metabolism to Body Weight. 335-336.
Robert C. Lasiewski, William R. Dawson.
Attachment Size
Back Matter (PDF) (106.32 KB) 106.32 KB
Front Matter (PDF) (216.94 KB) 216.94 KB

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