Contents
Roseate Tern Bill Color Change in Relation to Nesting Status and Food Supply
Grace Donaldson Cormons
Nesting Biology of the Long-tailed Manakin
Mercedes S. Foster
Chemical Residue Content and Hatchability of Screech Owl Eggs
Erwin E. Klaas and Douglas M. Swineford
On the Relative Abundance of Migrants from the North Temperate Zone in Tropical Habitats
James R. Karr
The Relationship Between Brood Size and Age of Effective Homeothermy in Nestling House Wrens
Erica H. Dunn
Ornithological News
Wilson Bulletin
Ornithological Literature
Wilson Bulletin
Winter Abundance Patterns of North American Kinglets
Larry W. Lepthien and Carl E. Bock
Vocal Mimicry in the Thick-billed Euphonia
Eugene S. Morton
Observations of Vocal Mimicry in the Thick-billed Euphonia
J. V. Remsen Jr.
Crop Contents of Rock Doves in Virginia
Thomas A. Pierson, Robert G. Cobb, and Patrick F. Scanlon
A Probable Mourning X Macgillivray's Warbler Hybrid
Sebastian T. Patti and Mary Louise Myers
Change in Status of Red-cockaded Woodpecker Colonies
Richard L. Thompson
Notes on Two Species of Bolivian Birds
John P. O'Neill
Breeding Chronology and Interspecific Relations of Pied-billed Grebes in Northern Minnesota
Ronald E. Kirby
Growth Rate in the Monk Parakeet
Donald F. Caccamise and Peter J. Alexandro
Foraging Methods of the Song Thrush
C. J. Henty
A Late Nesting Attempt by Clark's Nutcracker
Diana F. Tomback
Lek Behavior of the Buff-breasted Sandpiper
J. P. Prevett and J. F. Barr
Sandhill Cranes Feeding on Ducklings
Carroll D. Littlefield
Avian Tuberculosis in a Saw-whet Owl
Wayne J. Mollhoff
Observations at a Cavity Nest of the Common Grackle and an Analysis of Grackle Nest Sites
George R. Maxwell II, Jean M. Nocilly, and Robert I. Shearer
Unusual Intensity of Fighting in Ring-necked Ducks
Rodger D. Titman and Norman R. Seymour
Cedar Waxwings and Eastern Bluebirds Feeding on Winter Stoneflies
Benedict C. Pinkowski
An Incident of Blne Jay Predation on a Yellow-rumped Warbler
Kenneth W. Johnson and Joye E. Johnson
Covers
Back Matter (PDF)
Wilson Bulletin
Front Matter (PDF)
Wilson Bulletin