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Rough-Winged Swallow Feeding On Fly Larvae, Richard A. Wolinski Mar 1980

Status Of The Everglade Kite In Florida-1968-1978, Paul W. Sykes Jr. Dec 1979

Recent Wood Stork Population Trends In The United States, John C. Ogden, Stephen A. Nesbitt Dec 1979

Nesting Ecology Of Arctic Loons, Margaret R. Petersen Dec 1979

Ornithological News, Wilson Bulletin Dec 1979

Rufous-Collared Sparrow Victimized By Bronzed Cowbird, Amanda Villeda Dec 1979

Great Blue Herons Foraging For Small Mammals, R. W. Peifer Dec 1979

Territoriality In The Purple Martin, Charles R. Brown Dec 1979

Common Redpolls Using Spruce Seeds In Northern Utah, Kimberly G. Smith Dec 1979

Front Matter (Pdf), Wilson Bulletin Dec 1979

Temporal Variation In The Selected Habitats Of A Guild Of Grassland Sparrows, Robert C. Whitmore Dec 1979

Index To Volume 91, 1979, Nancy J. Flood, Gary R. Bortolotti, Peter Thompson Dec 1979

Evidence For Vocal Learning In Prairie Grouse, Donald W. Sparling Dec 1979

Some Aspects Of The Breeding Biology And Behavior Of The Great Black-Backed Gull, Nicolaas A. M. Verbeek Dec 1979

Back Matter (Pdf), Wilson Bulletin Dec 1979

First Reports Of Pellet Ejection In 11 Species, Theodore H. Below Dec 1979

Ornithological Literature, John W. Fitzpatrick Dec 1979

Premigratory Fat In The American Kestrel, James A. Gessaman Dec 1979

Small Mammals And Birds As Food Items Of Ring-Billed Gulls On The Lower Great Lakes, Hans Blokpoel, Gerard T. Haymes Dec 1979

Probable Canada Goose X White-Fronted Goose Hybrids, Scott R. Craven, Ronald L. Westemeier Dec 1979

Song Characteristics Of The Yellow Warbler, Kenneth G. Bankwitz, William L. Thompson Dec 1979

Displays And Morphology Of An Anna X Allen Hummingbird Hybrid, Shirley Wells, Luis F. Baptista Dec 1979

Vocalizations And Behavior Of The Willet, Tex A. Sordahl Dec 1979

Habitat Use By Nesting American Coots In Saskatchewan Parklands, Lawson G. Sugden Dec 1979

Ornithological Literature, Wilson Bulletin Sep 1979

Ornithological News, Wilson Bulletin Sep 1979

The Wilson Ornithological Society, Wilson Bulletin Sep 1979

Age Of Effective Homeothermy In Nestling Tree Swallows According To Brood Size, Erica H. Dunn Sep 1979

American Woodcock Hatched In Alabama Killed In Michigan, Keith Causey, George Horton, John Roboski, Randall Johnson, Phillip Mason Sep 1979

Loggerhead Shrike Eggshell Thickness In California And Florida, Michael L. Morrison Sep 1979