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Autumnal Zugunruhe And Migratory Fattening Of Dark-Eyed Juncos Apparently Suppressed By Detention At The Wintering Site, Ellen D. Ketterson, Val Nolan Jr. Dec 1983

Selection Of Song Perches By Sagebrush-Grassland Birds, John S. Castrale Dec 1983

Effects Of Parasitic Flies (Protocalliphora Spp.) On Nestlings Of Mountain And Chestnut-Backed Chickadees, Clifford S. Gold, Donald L. Dahlsten Dec 1983

Ornithological Literature, Wilson Bulletin Dec 1983

Three New Specimen Records Of Birds For E1 Salvador, Victor Hellebuyck Dec 1983

Foraging Behavior, Eco-Morphology, And Systematics Of Some Antshrikes (Formicariidae: Thamnomanes), Thomas S. Schulenberg Dec 1983

Territories Of Rufous-Sided Towhees Contain More Than Minimal Food Resources, Fred E. Wasserman Dec 1983

Enhanced Foraging Efficiency In Forster's Terns, J. Michael Reed, Samuel J. Ha Sep 1983

Trophic Structure Of Bird Communities In Forest Patches In East-Central Illinois, John G. Blake Sep 1983

The Impact Of Cottage Development On Common Loon Reproductive Success In Central Ontario, Marianne Heimberger, David Euler, Jack Barr Sep 1983

Calculating Incubation Periods Of Species That Sometimes Neglect Their Last Eggs: The Case Of The Sora, Jon S. Greenlaw, Richard F. Milleb Sep 1983

Male Incubation In A Chestnut-Collared Longspur, Ann M. Wyckoff Sep 1983

Nest-Site Selection By Eastern Kingbirds In A Burned Forest, Michael J. Hamas Sep 1983

Atypically Colored Little Blue Heron Eggs, Raymond C. Telfair Ii Sep 1983

Unusual Bathing Behavior Of The Fork-Tailed Flycatcher In Colombia, William W. Lamar Sep 1983

Red-Bellied Woodpecker Responses To Accipiters, Lilian J. Saul Sep 1983

Examining Nesting Cavities With An Optical Fiberscope, D. K. Cairns Sep 1983

Seasonal Variation In Mobbing Intensity In The Black-Capped Chickadee, Douglas H. Shedd Sep 1983

Vegetation Characteristics Important To Common Songbirds In East Texas, Richard N. Conner, James G. Dickson, Brian A. Locke, Charles A. Segelquist Sep 1983

Jamaica Bay Studies: Iv. Abiotic Factors Affecting Abundance Of Brant And Canada Geese On An East Coast Estuary, Joanna Burger, Richard Trout, Wade Wander, Glen Ritter Sep 1983

Vocalizations Of The White-Breasted Nuthatch, Gary Ritchison Sep 1983

On The Relationship Between Breeding Bird Survey Counts And Estimates Of Male Density In The Red-Winged Blackbird, Robert G. Clark, Patrick J. Weatherhead, Rodger D. Titman Sep 1983

Do Secondary Roosts Function As Information Centers In Black-Billed Gulls?, Roger M. Evans Sep 1983

Radiotelemetry Location Of Nesting Band-Tailed Pigeons In Colorado, Paul D. Curtis, Clait E. Braun Sep 1983

Notes On The Breeding Biology Of Wilson's Phalarope, Bertram G. Murray Jr. Sep 1983

Herring Gull Males Eat Their Own Eggs, John W. Chardine, Ralph D. Morris Sep 1983

Seasonal Trends In Body Condition Of Juvenile Red-Tailed Hawks During Autumn Migration, Greg A. Geller, Stanley A. Temple Sep 1983

Front Matter (Pdf), Wilson Bulletin Sep 1983

Recent Changes In Ring-Billed And California Gull Populations In The Western United States, Michael R. Conover Sep 1983

Ornithological Literature, Wilson Bulletin Sep 1983