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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

Opportunistic Feeding On Whale Fat By Wilson's Storm-Petrels In The Western North Atlantic, P. Michael Payne, Kevin D. Powers, James E. Bird Sep 1983

Probable Investigator-Induced Egg Drop By A Horned Lark, P. B. Wackenhut, Kenneth A. Strait, Robert C. Whitmore Sep 1983

First Record Of The Little Egret (Egretta Garzetta) In Suriname, F. Haverschmidt Jun 1983

The Taxonomy Of Microcerculus Wrens (Troglodytidae) In Central America, F. Gary Stiles Jun 1983

Winter Behavior Of Tufted Titmice, Jeffrey D. Brawn, Fred B. Samson Jun 1983

Ornithological News, Wilson Bulletin Jun 1983

A Comparison Of Breeding Bird Census Techniques With Mist Netting Results, Richard N. Conner, James G. Dickson, J. Howard Williamson Jun 1983

Incomplete Songs And Associated Behavior Of Sage Sparrows, Terrell Rich Jun 1983

Foraging Dives By Post-Breeding Northern Pintails, Michael R. Miller Jun 1983

Factors Affecting Feeding And Brooding Of Brown Thrasher Nestlings, Patricia A. Heagy, Louis B. Best Jun 1983

Adaptive Response Of Nesting Clapper Rails To Unusually High Water, Jerome A. Jackson Jun 1983

Adoption Of Introduced Young And Neglect Of Own By Nesting Black Vultures, Paul A. Stewart Jun 1983

Black-Capped Chickadee Performs Hiss-Display While In Wire-Mesh Trap, Keith L. Dixon Jun 1983

First Sight Record Of Orange-Breasted Falcon For Belize, J. Christopher Haney Jun 1983

Back Matter (Pdf), Wilson Bulletin Jun 1983

Front Matter (Pdf), Wilson Bulletin Jun 1983

Delayed Plumage Maturation And The Presumed Prealternate Molt In American Redstarts, Sievert Rohwer, William P. Klein Jr., Scott Heard Jun 1983

The Relationships And Evolution Of The Southwest Pacific Warbler Genera Vitia And Psamathia (Sylviinae), Ronald I. Orenstein, H. Douglas Pratt Jun 1983

Factors Influencing The Timing, Distance, And Path Of Migrations Of Canada Geese, Michael L. Wege, Dennis G. Raveling Jun 1983

Food Supply And The Occurrence Of Brood Reduction In Swainson's Hawk, Marc J. Bechard Jun 1983

Productivity Of Ospreys In The Gulf Of California, Debra S. Judge Jun 1983

Ornithological Literature, Wilson Bulletin Jun 1983

Incubation Period Of Ring-Billed Gulls And The Egg Immersion Technique, Erica Nol, Hans Blokpoel Jun 1983

Communal Harvesting Of A Transient Food Resource In The Mexican Jay, Jerram L. Brown Jun 1983

Effect Of Unlimited Food Availability On The Breeding Biology Of Wild Eurasian Tree Sparrows In West Malaysia, Marina Wong Jun 1983

California Gull Captures Flying Barn Swallow With Its Bill, Stephen A. Laymon Jun 1983

Nesting Ecology Of The Loggerhead Shrike In Central Missouri, Alan Kridelbaugh Jun 1983