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Host-Parasite Relationships Of The Brown-Headed Cowbird In A Prairie Habitat Of West-Central Kansas, Richard A. Hill Dec 1976

Breeding Biology And Parasitism In The Ruddy Duck, W. Roy Siegfried Dec 1976

White-Throated Swifts Following Farm Machinery, Stephen M. Alden, G. Scott Mills Dec 1976

Extra-Parental Assistance By Male American Kestrel, William A. Wegner Dec 1976

Roseate Tern Bill Color Change In Relation To Nesting Status And Food Supply, Grace Donaldson Cormons Sep 1976

Habitat Selection And Territorial Behavior Of The Small Grebes Of North Dakota, John Faaborg Sep 1976

Nesting Biology Of The Long-Tailed Manakin, Mercedes S. Foster Sep 1976

On The Relative Abundance Of Migrants From The North Temperate Zone In Tropical Habitats, James R. Karr Sep 1976

Eggshell Quality: Its Ecological And Physiological Significance In A Dde-Contaminated Common Tern Population, Glen A. Fox Sep 1976

Ornithological News, Wilson Bulletin Sep 1976

Ornithological Literature, Wilson Bulletin Sep 1976

Crop Contents Of Rock Doves In Virginia, Thomas A. Pierson, Robert G. Cobb, Patrick F. Scanlon Sep 1976

A Late Nesting Attempt By Clark's Nutcracker, Diana F. Tomback Sep 1976

Sandhill Cranes Feeding On Ducklings, Carroll D. Littlefield Sep 1976

Unusual Intensity Of Fighting In Ring-Necked Ducks, Rodger D. Titman, Norman R. Seymour Sep 1976

Chemical Residue Content And Hatchability Of Screech Owl Eggs, Erwin E. Klaas, Douglas M. Swineford Sep 1976

Change In Status Of Red-Cockaded Woodpecker Colonies, Richard L. Thompson Sep 1976

Back Matter (Pdf), Wilson Bulletin Sep 1976

Observations At A Cavity Nest Of The Common Grackle And An Analysis Of Grackle Nest Sites, George R. Maxwell Ii, Jean M. Nocilly, Robert I. Shearer Sep 1976

Successful Parasitism Of The Gary Catbird By The Brown-Headed Cowbird, Joan C. Woodward Sep 1976

Winter Abundance Patterns Of North American Kinglets, Larry W. Lepthien, Carl E. Bock Sep 1976

Foraging Methods Of The Song Thrush, C. J. Henty Sep 1976

Loon Productivity, Human Disturbance, And Pesticide Residues In Northern Minnesota, Catherine H. Ream Sep 1976

Cedar Waxwings And Eastern Bluebirds Feeding On Winter Stoneflies, Benedict C. Pinkowski Sep 1976

Lek Behavior Of The Buff-Breasted Sandpiper, J. P. Prevett, J. F. Barr Sep 1976

Vocal Mimicry In The Thick-Billed Euphonia, Eugene S. Morton Sep 1976

An Incident Of Blne Jay Predation On A Yellow-Rumped Warbler, Kenneth W. Johnson, Joye E. Johnson Sep 1976

Observations Of Vocal Mimicry In The Thick-Billed Euphonia, J. V. Remsen Jr. Sep 1976

Growth Rate In The Monk Parakeet, Donald F. Caccamise, Peter J. Alexandro Sep 1976

Breeding Chronology And Interspecific Relations Of Pied-Billed Grebes In Northern Minnesota, Ronald E. Kirby Sep 1976