Digital Commons Network^™

Olfactory Guidance In Foraging By Procellariiforms, Larry V. Hutchison, Bernice W. Wenzel Aug 1980

Geographical Variation In Song And Song Dialects Of Montane White-Crowned Sparrows, Luis F. Baptista, James R. King Aug 1980

Colony And Nest Site Selection In Laughing Gulls In Response To Tidal Flooding, Joanna Burger, Joseph Shisler Aug 1980

Stereotypy Of Some Parameters Of Red-Winged Blackbird Song, Douglas G. Smith, Fiona A. Reid, Candace B. Breen Aug 1980

Changes With Time In The Songs Of A Population Of Chaffinches, S. A. Ince, F. J. B. Slater, C. Weissmann Aug 1980

Seasonal Aspects Of The Predatory Behavior Of Loggerhead Shrikes, Michael L. Morrison Aug 1980

Identification And Status Of Wood Pewees (Contopus) From The Great Plains: What Are Sibling Species?, James D. Rising, Frederick W. Schueler Aug 1980

A Variable Circular-Plot Method For Estimating Bird Numbers, R. T. Reynolds, J. M. Scott, R. A. Nussbaum Aug 1980

News And Notes, The Condor Aug 1980

The Bulletin Board, The Condor Aug 1980

Mixed Flocks, Accipiters, And Antipredator Behavior, Philip Gaddis Aug 1980

Some Unusual Records For The Peregrine And Pallid Falcons In South America, David H. Ellis, Richard L. Glinski Aug 1980

Apparent Replacement Clutch Laid By Wild California Condor, Ed N. Harrison, Lloyd F. Kiff Aug 1980

Front Matter (Pdf), The Condor May 1980

Back Matter (Pdf), The Condor May 1980

Birds Feeding On Herring Eggs At The Yaquina Estuary, Oregon, Range D. Bayer May 1980

Midwinter Breeding By Some Birds In The High Andes Of Southern Peru, R. A. Hughes May 1980

Characteristics Of The Razor-Billed Curassow (Mitu Mitu Mitu), Helmut Sick May 1980

Recent Publications, The Condor May 1980

Evolution Of Promiscuity In The Brown-Headed Cowbird, Phillip F. Elliott May 1980

Raptor Hematocrit Values, Samuel R. Hunter, Leon R. Powers May 1980

Treasurer's Report, The Condor May 1980

Breeding Ecology Of The Little Blue Heron On The West Coast Of Florida, James A. Rodgers Jr. May 1980

Survival Of Herring Gull And Domestic Chicken Embryos After Simulated Flooding, Lawrence D. Ward, Joanna Burger May 1980

News And Notes, The Condor May 1980

Food Sampling Biases Associated With The "Ligature Method", Ellen J. Johnson, Louis B. Best, Patricia A. Heagy May 1980

Destruction Of Nests By The Short-Billed Marsh Wren, Jaroslav Picman, Anna K. Picman May 1980

Factors Affecting Incubation Rhythms Of Northern Shovelers, Alan D. Afton May 1980

Sleeping Behavior Of Purple Martins, Charles R. Brown May 1980

Nitrogen Excretion By Turkey Vultures, F. M. Mcnabb, Roger Mcnabb, Irvine D. Prather, Richard N. Conner, Curtis S. Adkisson May 1980