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The Condor, Volume 75, Number 3 (1973)

3 (July)


Bioenergetics of Nestling Red-Backed Shrikes (Lanius Collurio). 259-264.
Barbara Diehl, Andrzej Myrcha.
The Galapagos Avifauna. 265-278.
M. P. Harris.
Temperature Modulation of Photoperiodically Induced Vernal Phenomena in White-Crowned Sparrows (Zonotrichia Leucophrys). 279- 286.
Robert A. Lewis, Donald S. Farner.
Pterylosis and Timing of Molt of the Water Pipit. 287-292.
Nicolaas A. M. Verbeek.
The Digestion and Intake of Winter Foods By Wild Ptarmigan in Alaska. 293-300.
Robert Moss.
The Relationships of the Wood Thrush (Hylocichla Mustelinas): Some Indications From the Electrophoresis of Blood Proteins. 301- 305.
H. T. Hendrickson, Marie Yow.
Dde in Resident Aleutian Island Peregrine Population. 306-311.
Clayton M. White, William B. Emison, Francis S. L. Williamson.
Variations in Weight of Blue Grouse (Dendragapus Obscurus). 312-321.
J. A. Redfield.
The Scaled Quail (Callipepla Squamata) of the Southwest: Systematic and Historical Consideration. 322-329.
Amadeo M. Rea.
The Fasting Metabolism of Subadult Mallards Acclimatized to Low Ambient Temperatures. 330-335.
Kirtland G. Smith, Harold H. Prince.
Reproductive Condition and Other Features of Shorebirds Resident at Eniwetok Atoll During the Boreal Summer. 336- 343.
Oscar W. Johnson.
News and Notes. 367.
Publications Received. 367-368.
The Bulletin Board. 368.

Short Communications

Plastic Particle Pollution of the Surface of the Atlantic Ocean: Evidence From a Seabird. 344-345.
Stephen I. Rothstein.
An Albinistic Blue Grouse From Colorado. 345-346.
Clait E. Braun, Ronald G. Blumberg.
Territorial and Feeding Activity of Broad-Tailed Hummingbirds (Selasphorus Platycercus) in Iris Missouriensis. 346- 349.
David L. Lyon.
Unusual Attack of Intruding Male on a Nesting Pair of Pileated Woodpeckers. 349-350.
Lawrence Kilham.
Virginia Rail and Cape May Warbler in Chiapas, Mexico. 350-351.
Laurence C. Binford.
Cooling Rates and Development of Homeothermy in the Brown-Headed Cowbird (Molothrus Ater Ater). 351-352.
Charles M. Neal.
Unusual Feeding Behavior of Great Blue Herons and Common Egrets. 352.
Jan G. Reese.
New Records of Mourning Doves in Southcentral and Interior Alaska. 353.
Robert B. Weeden, Loyal Johnson.
Geographic and Seasonal Variation in the Occurrence of Incompletely Pneumatized Skulls in the House Sparrow. 354- 356.
David M. Niles.
Cliff Swallow Colony in Arctic Alaska. 356.
Bryan L. Sage.
Pelicans in the City of Lima, Peru. 357.
Charles F. Leck.
Some Birds of Isla Punta Arenas, Pacific Coast, Colombia. 357-359.
Carol Pearson Ralph, Stephen J. Chaplin.
White-Tailed Kite Predation on a Fluctuating Vole Population. 359-360.
Rey C. Stendell, Philip Myers.
Breeding of Says Phoebe in Arctic Alaska. 360-361.
Tom J. Cade, Clayton M. White.
A Review of the White-Breasted Woodwrens of Mexico and Central America. 361-363.
Robert W. Dickerman.
Four New Migrants for Costa Rica. 363-364.
William H. Buskirk.
Description of an Aerial-Predator Alarm Call for Mallard (Anas Platyrhynchos) Ducklings. 364-366.
E. E. Starkey, J. F. Starkey.
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Front Matter (PDF) (283.09 KB) 283.09 KB

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