Covers
Front Matter
The Auk
Back Matter
The Auk
Short Communications
Breeding Biology of Barred Forest-falcons (micrastur Ruficollis) in Northeastern Guatemala
Russell Thorstrome Ramos and Cristobal M. Morales
Anatomical and Nutritional Adaptations of the Speckled Mousebird (coitus Striatus)
Colleen T. Downs, J. Olaf Wirminghaus, and Michael J. Lawes
Long-distance Commuting by Brown-headed Cowbirds in New Mexico
David R. Curson, Christopher B. Goguen, and Nancy E. Mathews
Body-mass Dynamics of King Eiders during Incubation
Dana K. Kellett and Ray T. Alisauskas
Insurance Eggs Versus Additional Eggs: Do Brown Boobies Practice Obligate Siblicide?
Bernie R. Tershy, Dawn Breese, and Donald A. Croll
The 20-cm Spiny Penis of the Argentine Lake Duck (oxyura Vittata)
Kevin G. Mccracken
Pollen and the Nitrogen Requirements of the Lesser Double-collared Sunbird
Ian G. Tets and Susan W. Nicolson
Commentary
Suggestions for Slides at Scientific Meetings
Donald E. Kroodsma and Bruce E. Byers
Reviews
Anatomy and Systematics of the Confuciusornithidae (theropoda: Aves) from the Late Mesozoic of Northeastern China
Storrs L. Olson
Restoring North America's Wild Birds: Lessons from Landscape Ecology
Kathryn E. Sieving
A Birdfinder's Guide to the Rio Grande Valley
Peter H. Yaukey
Reviews
Anatomy and Systematics of the Confuciusornithidae (theropoda: Aves) from the Late Mesozoic of Northeastern China
Storrs L. Olson
Restoring North America's Wild Birds: Lessons from Landscape Ecology
Kathryn E. Sieving
A Birdfinder's Guide to the Rio Grande Valley
Peter H. Yaukey
Announcement
New Editor Selected
The Auk
In Memoriam
In Memoriam: Hildegarde Howard, 1901-1998
Kenneth E. Campbell Jr.
In Memoriam: Juergen Aschoff, 1913-1998
Peter Berthold
Aou Check-List Supplement
Forty-second Supplement to the American Ornithologists' Union Check-list of North American Birds
The Auk
Overview
Shade Coffee: a Good Brew Even in Small Doses
Thomas W. Sherry
A Striking New Species of Barbet (capitoninae: Capito) from the Eastern Andes of Peru
John P. O'Neill, Daniel F. Kratter, Angelo P. Capparella, and Cecilia Fox Joo
A Phenotypic Test of Haldane's Rule in an Avian Hybrid Zone
Catherine E. Smith and Sievert Rohwer
Genetic Variation in the Endangered Southwestern Willow Flycatcher
Joseph D. Busch, Mark P. Miller, Eben H. Paxton, Mark K. Sogge, and Paul Keim
Winter Site Fidelity of Nearctic Migrants in Shade Coffee Plantations of Different Sizes in the Dominican Republic
Joseph M. Wunderle Jr. and Steven C. Latta
Uncertain Nest Fates in Songbird Studies and Variation in Mayfield Estimation
James C. Manolis, David E. Andersen, and Francesca J. Cuthbert
Fledging Success as an Index of Recruitment in Red-winged Blackbirds
Patrick J. Weatherhead and Kevin W. Dufour
Influence of Environmental and Density-dependent Factors on Reproduction of Little Egrets
Robert E. Bennetts, Mauro Fasola, Heinz Hafner, and Yves Kayser
Genetic Relationships of Cory's Shearwater: Parentage, Mating Assortment, and Geographic Differentiation Revealed by Dna Fingerprinting
Corinne Rabouam, Vincent Bretagnolle, Yves Bigot, and Georges Periquet
Diversity of Birds along an Elevational Gradient in the Cordillera Central, Costa Rica
John G. Blake and Bette A. Loiselle
Short-term Effects of Timber Harvest on Abundance, Territory Characteristics, and Pairing Success of Ovenbirds in Riparian Buffer Strips
J. Daniel Lambert and Susan J. Hannon
Temporal and Age-related Changes in Survival Rates of Southern Buller's Albatrosses (thalassarche Bulleri Bulleri) at the Snares, New Zealand, 1948 to 1997
P. M. Sagar, J. Molloy, H. Weimerskirch, and J. Warham
Seasonal Fruit Preferences for Lipids and Sugars by American Robins
Christopher A. Lepczyk, K. Greg Murray, Kathy Winnett-Murray, Paul Bartell, Eric Geyer, and Timothy Work
Variation in Foraging and Parental Behavior of King Cormorants
Akiko Kato, Yutaka Watanuki, Isao Nishiumi, Maki Kuroki, Peter Shaughnessy, and Yasuhiko Naito
Effects of Malaria on Activity Budgets of Experimentally Infected Juvenile Apapane (himatione Sanguinea)
Nancy Yorinks and Carter T. Atkinson
Predation of Natural and Artificial Nests in a Southern Pine Forest
Jeffrey J. Buler and Robert B. Hamilton
Movement Patterns of Wintering Grassland Sparrows in Arizona
Caleb E. Gordon
Tracing Nutrient Allocation to Reproduction with Stable Isotopes: a Preliminary Investigation Using Colonial Waterbirds of Great Slave Lake
Keith A. Hobson, Jacques Sirois, and Mark L. Gloutney