Contents
The Parasitism Insurance Hypothesis: Why Starlings Leave Space for Parasitic Eggs
Harry W. Power, E. Dale Kennedy, Linda C. Romagnano, Michael P. Lombardo, Ann S. Hoffenberg, Philip C. Stouffer, and Terry R. Mcguire
Winter Caching Ecology of Deciduous Woodland Birds and Adaptations for Protection of Stored Food
Daniel R. Petit and Lisa J. Petit
Geographic Variation in Size and Reverse Size Dimorphism of the Great Horned Owl in North America
W. Bruce Mcgillivray
Nest Success, Cause-specific Nest Failure, and Hatchability of Aquatic Birds at Selenium-contaminated Kesterson Reservoir and a Reference Site
Harry M. Ohlendorf, Roger L. Hothem, and Daniel Welsh
Recruitment Failure in American Avocets and Black-necked Stilts Nesting at Kesterson Reservoir, California, 1984-1985
Martha L. Williams, Roger L. Hothem, and Harry M. Ohlendorf
Carbonate Deposition on Tail Feathers of Ruddy Ducks Using Evaporation Ponds
Ned H. Euliss, Robert L. Jarvis, and David S. Gilmer
Nest Prospecting by Common Goldeneyes
Michael C. Zicus and Steven K. Hennes
Food Defendability and Antipredator Tactics: Implications for Dominance and Pairing in Canvasbacks
James R. Lovvorn
Variability in Parrot Flock Size: Possible Functions of Communal Roosts
C. A. Chapman, L. J. Chapman, and L. Lefebvre
Relationships of Surrounding Riparian Habitat to Nest-box Use and Reproductive Outcome in House Wrens
Deborah M. Finch
The Role of Predation in Determining Reproductive Success of Colonially Nesting Wading Birds in the Florida Everglades
Peter C. Frederick and Michael W. Collopy
Sexual Size Dimorphism and Assortative Mating in the Brown Noddy
John W. Chardine and Ralph D. Morris
Nest-site Characteristics, Reproductive Success and Cavity Availability for Tree Swallows Breeding in Natural Cavities
Wallace B. Rendell and Raleigh J. Robertson
The Effects of Conspecifics on Food Caching by Black-capped Chickadees
Eric R. Stone and Myron Charles Baker
Bird Use of Epiphyte Resources in Neotropical Trees
Nalini M. Nadkarni and Teri J. Matelson
Nesting and Diet of Long-eared Owls in Conifer Forests, Oregon
Evelyn L. Bull, Anthony L. Wright, and Mark G. Henjum
Behavioral Ecology of Grey Eagle-buzzards, Geranoaetus Melanoleucus, in Central Chile
Jaime E. Jimenez and Fabian M. Jaksic
Sensitivity of Brown-headed Cowbirds to Volatiles
Larry Clark and J. Russell Mason
Species Limits in Akepas (drepanidinae; Loxops)
H. Douglas Pratt
Functional Interpretation of Protruding Filoplumes in Oscines
George A. Clark Jr. and Justine B. Cruz
Brain, Hormone and Behavior Interactions in Avian Reproduction: Status and Prospectus
Rae Silver and Gregory F. Ball
Book Reviews
March F. Lawton
News and Notes
The Condor
Reviewers for Volume 91
The Condor
Index to Volume 91
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
Commentary
Short Communications
Overnight Mass Loss by Wintering Verdins
Marcus D. Wenster
First Reported Nests of the Black-breasted Wood-quail (odontophorus Leucolaemus)
David Mcdonald and Kathy Winnett-Murray
Incidence of Communal Nesting in the European Starling at Belmont, New Zealand
John E. Flux and Margaret M. Flux
Red Bands and Red-winged Blackbirds
Les D. Beletsky and Gordon H. Orians
On the Flushing Behavior of Incubating White Terns
Jeffrey S. Marks and Paul Hendricks
Tool Use by the Fan-tailed Raven (corvus Rhipidurus)
Staffan Andersson
Metabolic Rates of Red-tailed Hawks and Great Horned Owls
Ani M. Pakpahan, Jonathan B. Haufler, and Harold H. Prince
Analysis of a Dialect Boundary in Chaco Vegetation in the Rufous-collared Sparrow
S. C. Lougheed, A. J. Lougheed, M. Rae, and P. Handford
Observations on Food Habits and Social Organization of Acorn Woodpeckers in Costa Rica
Mark T. Stanback
Additional Notes from Isla Clarion, Mexico
Steve N. Howell and Sophie Webb
Brown Jays as Army and Followers
Paul D. Haemig