Contents
Flight Songs of Swamp Sparrows: Alternative Phonology of an Alternative Song Category
Stephen Nowicki, Melissa Hughes, and Peter Marler
Intraclutch Variation in Egg Size of American Coots
Todd W. Arnold
Relationships among Fresh Mass, Incubation Time, and Water Loss in Japanese Quail Eggs
Pamela A. Martin and Todd W. Arnold
The Mariana Common Moorhen: Decline of an Island Endemic
Derek W. Stinson, Michael W. Ritter, and James D. Reichel
Diving Patterns of Full-grown and Juvenile Rock Shags
S. Wanless and M. P. Harris
Growth and Development of Great Spotted Cuckoos and Their Magpie Host
M. Soler and J. J. Soler
A Visual Study of Migrating Owls at Cape May Point, New Jersey
Robert W. Russell, Peter Dunne, Clay Sutton, and Paul Kerlinger
Effects of Gargle Vocalizations on Behavior of Black-capped Chickadees
Myron Charles Baker, Jeanette T. Boylan, and Christoper A. Goulart
Breeding Behavior of Evening Grosbeaks
Abby C. Scott and Marc Bekoff
Mate Choice in Female Northern Orioles with a Consideration of the Role of the Black Male Coloration in Female Choice
Gregory S. Butcher
Nutrient-reserve Dynamics of Breeding Lesser Scaup: a Test of Competing Hypotheses
Alan D. Afton and C. Davison Ankney
Evolution of Brown Towhees: Mitochondrial Dna Evidence
Robert M. Zink and Donna L. Dittmann
Determinate and Indeterminate Egg-laying Patterns: a Review
E. Dale Kennedy
Reproductive Vulnerability: Parental Attendance around Hatching in Roseate (sterna Dougallii) and Common (s. Hirundo) Terns
Joanna Burger and Michael Gochfeld
Long-term Trends of Chickadee Populations in Western North America
Leonard A. Brennan and Michale L. Morrison
Growth and Energetics of Nestling Yellow-eyed Juncos
Wesley W. Weathers and Kimberly A. Sullivan
Variation in the Songs of Breeding Gambel's White-crowned Sparrows near Churchill, Manitoba
Madeline J. Austen and Paul T. Handford
Seasonal Pattern of Reverse Mounting in the Groove-billed Ani (crotophaga Sulcirostris)
Bonnie S. Bowen, Rolf R. Koford, and Sandra L. Vehrencamp
A Comparison of Goodness-of-fit Tests for Analysis of Nest Orientation in Western Kingbirds (tyrannus Verticalis)
Timoty M. Bergin
News and Notes
The Condor
Information for Contributors
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
Commentary
Repeated Measures Analysis of Variance: a Comment on Beal and Khamis (1990)
G. P. Quinn and M. J. Keough
Reply to Quinn and Keough
Kathleen G. Beal and Harry J. Khamis
Short Communications
A Comparison of Wing Shape Between Migratory and Sedentary Dark-eyed Juncos (junco Hyemalis)
Robert S. Mulvihill and C. Ray Chandler
Noteworthy Bird Records from Southernmost Chile
George E. Wallace
Behavior and Biology of the Hawk-headed Parrot, Deroptyus Accipitrinus, in Southern Venezuela
Stuart D. Strahl, Philip A. Desenne, Joise Luis Jimenez, and Isaac R. Goldstein
Effects of Oil Development on Providing Nesting Opportunities for Gyrfalcons and Rough-legged Hawks in Northern Alaska
Rober J. Ritchie
Why House Wrens Destroy Clutches of Other Birds: a Support for the Nest Site Competition Hypothesis
Stanislav Pribil and Jaroslav Picman
Mitochondrial Dna Variation Indicates Gene Flow across a Zone of Known Secondary Contact Between Two Subspecies of the Brown-headed Cowbird
Robert C. Fleischer, Stephen I. Rothstein, and Linda S. Miller
Philopatry in Male and Female American Black Ducks
Norman R. Seymour
Undescribed Bowing Display in the Cooper's Hawk
Robert N. Rosenfield and John Bielefeldt
The Diet of Peregrine Falcons in Rankin Inlet, Northwest Territories: an Unusually High Proportion of Mammalian Prey
Mark Bradley and Lynn W. Oliphant
Pitch Production in Carolina Chickadee Songs
Bernard Lohr, Stephen Nowicki, and Ron Weisman