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The Condor, Volume 73, Number 2 (1971)

Publication Information
Journal: 
Condor
Year: 
1971
Volume: 
73
Issue: 
2 (April)

CONTENTS

Breeding and Molt Schedules of the Rufous-Collared Sparrow in Coastal Peru. 127-146.
John Davis.
Late Summer-Autumnal Breeding of the Pinon Jay in New Mexico. 147-153.
J. David Ligon.
Large-Billed Insectivorous Birds: A Precipitous Diversity Gradient. 154-161.
Thomas W. Schoener.
Behavior and Population Ecology of the Burrowing Owl, Speotyto Cunicularia, in the Imperial Valley of California. 162- 176.
Harry N. Coulombe.
Behavior and Ecology of Burrowing Owls on the Oakland Municipal Airport. 177-192.
Lise Thomsen.
Springtime Movements of Transient Nocturnally Migrating Landbirds in the Gulf Coastal Bend Region of Texas. 193- 207.
Bill J. Forsyth, Douglas James.
Inter-Populational Song Dialect Discrimination in the White-Crowned Sparrow. 208-213.
Marilyn M. Milligan, Jared Verner.
Body Temperatures of Petrels. 214-219.
John Warham.
Observations on the Jabiru and Maguari Storks in Argentina, 1969. 220-229.
M. P. Kahl.
Nesting and Movements of Canada Geese on the Snake River in Washington. 230-236.
James Culbertson, Larry L. Cadwell, Irven O. Buss.
News and Notes. 255-256.
 .
Publications Received. 256-257.
 .
The Bulletin Board. 257.
 .
Cooper Ornithological Society Statement of Assets and Fund Balances Resulting From Cash Transactions. 258.
 .

Short Communications

Quaternary Avian Remains From Dark Canyon Cave, New Mexico. 237-240.
Hildecarde Howard.
Notes on the Use of Desert Springs By Birds in California. 240-243.
Michael Smyth, Harry N. Coulombe.
An Age Differential of Migrants in Coastal California. 243-246.
C. John Ralph.
Exploitation of Nectar Resources By Hummingbirds, Bees (Bombus), and Diglossa Baritula and Its Role in the Evolution of Penstemon Kunthii. 246-248.
David L. Lyon, Christine Chadek.
An Early Pleistocene Eagle From Nebraska. 248-250.
Larry D. Martin.
Notes on the Breeding of the Sulphur-Bellied Flycatcher in Arizona. 250-252.
J. David Ligon.
Further Notes on Costa Rican Birds. 252-253.
Robert W. Dickerman.
Herring Gull Attacks Eared Grebe. 253.
James H. J. Hafft.
Occurrence of the Xantus Murrelet Off the Oregon Coast. 254.
J. Michael Scott, John Butler, William G. Pearcy, Gerard A. Bertrand.
Nesting Record of European Skylark in Washington State. 254.
Terence R. Wahl, Howard E. Wilson.
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