Contents
Direction of the Preceding Release and Initial Orientation of Homing Pigeons
Klaus Schmidt-Koenig
Experiments on Defenses Cedar Waxwings Use against Cowbird Parasitism
Stephen I. Rothstein
Effects of a Low-persistence Insecticide on Forest Bird Populations
Jonathan D. Moulding
Courtship and Pair Formation in the Great Egret
Jochen H. Wiese
House Finch Pigmentation: Carotenoid Metabolism and the Effect of Diet
Alan H. Brush and Dennis M. Power
American Kestrel Sex Ratios and Habitat Separation
G. Scott Mills
Comparative Displays of Yearling and Adult Male Wood Ducks
Carl E. Korschgen and Leigh H. Fredrickson
Spring Drumming Patterns of Ruffed Grouse
Herbert L. Archibald
Special Review: Greenewalt on Bird Flight
Vance A. Tucker
Notes and News
The Auk
Thirty-third Supplement to the American Ornithologists' Union Check-list of North American Birds
The Auk
Index to Volume 93
The Auk
General Notes
A Note on the Prehistoric Avifauna of the Lower Klamath Basin
Donald K. Grayson
Common Goldeneyes Hatching from Cracked Eggs
Harry G. Lumsden and Robert Wenting
Banded Northern Bald Eagles in Florida and Other Southern States
Sergej Postupalsky
Nest Site Competition Between Mountain Chickadees and Violet-green Swallows
Kathleen E. Franzreb
Possible Cannibalism in Swainson's Hawk
Wayne R. Pilz
First Record of Smith's Longspur in New York
Thomas H. Davis
Snowy Owl Steals Prey from Marsh Hawk
David C. Duffy, Bruce Beehler, and William Haas
Use of Gravel by Purple Martins
Charles R. Brown
Nesting Bald Eagles Attack Researcher
Teryl G. Grubb
The Status of Sayornis Saya Yukonensis Bishop
M. Ralph Browning
A Definite Colorado Breeding Record for the Harlequin Duck
Kenneth C. Parkes and Colleen Helgeson Nelson
Covers
Front Matter
The Auk
Back Matter
The Auk