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Body Weights Of Birds: A Review, George A. Clark Jr. May 1979

Nesting Behavior Of Female White-Tailed Ptarmigan In Colorado, Kenneth M. Giesen, Clait E. Braun May 1979

Songs Of The Fox Sparrow. Ii. Intra- And Interpopulation Variation, Dennis J. Martin May 1979

Recent Publications, The Condor May 1979

Suggestions For Preparing Audiospectrograms For Publication, William L. Thompson May 1979

A Second Breeding Record For The Grey-Hooded Gull (Larus Cirrocephalus) On The Coast Of Peru, David C. Duffy, Natasha Atkins May 1979

News And Notes, The Condor May 1979

Golden Eagle Nest On Kodiak Island, Alaska, Vernon D. Berns May 1979

The Evolutionary Re-Establishment Of A Lost Ancestral Muscle In The Bowerbird Assemblage, Robert J. Raikow, Stephen R. Borecky May 1979

Front Matter (Pdf), The Condor Feb 1979

Back Matter (Pdf), The Condor Feb 1979

Fecal Sac Ingestion In The Mountain White-Crowned Sparrow, Martin L. Morton Feb 1979

First Record Of Leach's Storm-Petrel In Costa Rica: A Correction, Paul Slud Feb 1979

Habitat And Resource Relationships In Acorn Woodpeckers, Robert C. Roberts Feb 1979

Wing Molt And Weights Of Barnacle Geese In Spitsbergen, Myrfyn Owen, M. A. Ogilvie Feb 1979

Graded Frequency Variations Of The Tremolo Call Of The Common Loon (Gavia Immer), William E. Barklow Feb 1979

Additional Records Of White-Winged Doves In Colorado, Clait E. Braun, Vincent H. Reid, Tom D. Ray, Roger L. Boyd Feb 1979

Status Of Some Birds On Isla San Andres And Isla Providencia, Colombia, Stephen M. Russell, Jon C. Barlow, Donald W. Lamm Feb 1979

Comparative Population Bioenergetics Of Three Insectivorous Passerines In A Deciduous Forest, Richard T. Holmes, Craig Patrick Black, Thomas W. Sherry Feb 1979

Observations On Distribution, Diet, And Breeding Of The Hawaiian Thrush, Charles Van Riper Iii, J. Michael Scott Feb 1979

Probable Non-Breeders Among Female Blue Grouse, Susan J. Hannon, Fred C. Zwickel Feb 1979

Adaptive Significance Of The Variable Dispersion Pattern Of Breeding Northern Orioles, Barbara Yohai Pleasants Feb 1979

Experimental Evidence For Facilitation Of Pair Formation By Bright Color In Weaverbirds, E. C. Collias, N. E. Collias, C. H. Jacobs, F. Mcalary, J. T. Fujimoto Feb 1979

The Source Of The Dive-Noise Of The Anna's Hummingbird, Luis F. Baptista, Margaret Matsui Feb 1979

The Bulletin Board, The Condor Feb 1979

Patterns Of Alpha-Diversity And Abundance In Breeding Bird Communities Across North America, Jeffrey J. Short Feb 1979

A Nest Of The Collared Gnatwren (Microbates Collaris), Yoshika Oniki, Edwin O. Willis Feb 1979

Snake And Pond Snails As Food Of Grey-Necked Wood-Rails, Lawrence Kilham Feb 1979

Multiple Nesting Attempts By Alaskan Redpolls, Declan M. Troy, Gerald F. Shields Feb 1979

Recent Publications, The Condor Feb 1979