Confirmation of Infanticide in the Communally Breeding Guira Cuckoo

Abstract

tics, version 6.12. SAS Institute Inc., Cary, North Carolina. SEARLE, S. R. 1971. Linear models. John Wiley and Sons, New York. WALSBERG, G. E., AND W. W. WEATHERS. 1986. A simple technique for estimating operative environmental temperature. Journal of Thermal Biology 11:67-72. WEATHERS, W. W., AND K. A. SULLIVAN. 1989. Juvenile foraging proficiency, parental effort, and avian reproductive success. Ecological Monographs 59:223-246. WEATHERS, W. W., AND K. A. SULLIVAN. 1993. Seasonal patterns of time and energy allocation by birds. Physiological Zoology 66:511-536. WEBSTER, M. D., AND W. W. WEATHERS. 1989. Validation of single-sample doubly labeled water method. American Journal of Physiology R 256: 572-576. WOOD, R. A., K. A. NAGY, S. MACDONALD, S. T. WAKAKUWA, R. J. BECKMAN, AND H. KAAZ. 1975. Determination of oxygen-18 in water contained in biological samples by charged particle activation. Analytical Chemistry 47:646-650.