Wolfgang Hörster, Li Xia, and Juan D. Delius
Pecking and Respiration Rhythms of Pigeons (Columba livia)
Pg. 33-42.

Gadi Katzir, Zev Labinger & Yoav Benjamini
Prey Choice in Pied Kingfishers (Ceryle rudis L.): Prey Size and Prey Depth
Pg. 43-52.

Glen Chilton
Cultural Evolution and Song Stereotypy in an Isolated Population of Montane White-crowned Sparrows, Zonotrichia leucophrys oriantha
Pg. 53-63.

Renee Robinette Ha, Paul Bentzen, Jennifer Marsh & James C. Ha
Kinship And Association In Social Foraging Northwestern Crows (Corvus Caurinus)
Pg. 64-75.

Nancy C. Harvey, Susan M. Farabaugh, Cindy D. Woodward, and Kristin McCaffree
Parental Care and Aggression During Incubation in Captive California Condors (Gymnogyps californianus)
Pg. 76-85.

Reviewer Acknowledgments/Book Received
Pg. 87

Volume 15 Subject and Author Index
Pg. 89-90.