Contents
Hybrid Jays in Colorado
Olwen Williams and Pat Wheat
Parental Care and Nesting in the Rufous-throated Antbird, Gymnopithys Rufigula, in Amapa, Brazil
Yoshika Oniki
Some New Perspectives on the Breeding Ecology of Common Grackles
Anthony J. Erskine
Size, Migration Pattern, and Structure of Fall and Early Winter Blackbird and Starling Populations in Western Oklahoma
Stephen V. Goddard
Some Patterns of Woodcock Activities on Maine Summer Fields
William B. Krohn
The Nesting, Reproductive Performance, and Chlorinated Hydrocarbon Residues in the Red-tailed Hawk and Great Horned Owl in South-central Montana
John C. Iv and Harry V. Iii
The Three-bird Chase in Mourning Doves
W. Reid Goforth
Field Criteria for Determining Incubation Stage in Eggs of the Common Tern
Helen Hays and Mary Lecroy
Some Views on Exotic Waterfowl
Eric G. Bolen
Ornithological News
Wilson Bulletin
Ornithological Literature
Wilson Bulletin
The Wilson Ornithological Society
Wilson Bulletin
Index to Volume 83, 1971
Bonnie Rose Mcbride
Covers
Back Matter (PDF)
Wilson Bulletin
Front Matter (PDF)
Wilson Bulletin
General Notes
Further Observations on Use of the Feet by Foraging Herons
Andrew J. Meyerriecks
Size Differences Between Ross' and Snow Goose Eggs at Karrak Lake, North-west Territories in 1968
John P. Ryder
Cassin's Sparrow Parasitized by Cowbird
Hugh E. Kingery and Paul R. Julian
Winter Nesting Attempts by Great-tailed Grackles
Donald W. Coon, Robert F. Gotie, and Keith A. Arnold
Bluebirds Successfully Nesting in House under Construction
Amelia R. Laskey
Predation on Snakes by Eastern Bluebird and Brown Thrasher
Annette B. Flanigan
Clicking in the Egg-young of the Long-billed Curlew
Dennis M. Forsythe
Flashes of White in the Wings of Other Species Elicit Territorial Behavior in a Mockingbird
Helmut C. Mueller and Nancy S. Mueller
Robins Night-roosting in Open Fields
William L. Anderson, Stanley L. Etter, and G. Blair Joselyn
Further Notes on the Juvenal Plumage of the Spotted Rail (rallus Maculatus)
Robert W. Dickerman and F. Haverschmidt