Differential allocation of reproductive effort to territorial establishment and maintenance by male yellow warblers (Dendroica petechia) M. V. StuddR. J. Robertson OriginalPaper Pages: 199 - 210
Responses of wintering humpback whales (Megaptera novaeangliae) to playback of recordings of winter and summer vocalizations and of synthetic sound J. R. Mobley Jr.L. M. HermanA. S. Frankel OriginalPaper Pages: 211 - 223
Female reproductive success and nest predation in polyterritorial wood warblers (Phylloscopus sibilatrix) H. TemrinS. Jakobsson OriginalPaper Pages: 225 - 231
Sex ratio determination and worker reproduction in the slave-making ant Harpagoxenus sublaevis A. F. G. BourkeT. M. van der HaveN. R. Franks OriginalPaper Pages: 233 - 245
Obligate parthenogenesis and reproductive division of labor in the Japanese queenless ant Pristomyrmex pungens K. Tsuji OriginalPaper Pages: 247 - 255
Direct and indirect estimates of sperm precedence and displacement in the dragonfly Sympetrum danae (Odonata: Libellulidae) N. K. MichielsA. A. Dhondt OriginalPaper Pages: 257 - 263
Parent-offspring aggression in moorhens M. L. LeonardA. G. HornS. F. Eden OriginalPaper Pages: 265 - 270