Dominance orders in the ponerine ant Pachycondyla apicalis (Hymenoptera, Formicidae) Paulo S. OliveiraBert Holldobler OriginalPaper Pages: 385 - 393
Division of labor during honey bee colony defense Michael D. BreedGene E. RobinsonRobert E. Page Jr. OriginalPaper Pages: 395 - 401
Differential parasitism of least flycatchers and yellow warblers by the brown-headed cowbird James V. BriskieSpencer G. SealyKeith A. Hobson OriginalPaper Pages: 403 - 410
Do zebra finches prefer to mate with close relatives? Isabelle A. FetherstonNancy Tyler Burley OriginalPaper Pages: 411 - 414
The importance of biparental care in a precocial, monogamous bird, the bar-headed goose (Anser indicus) Jutta SchneiderJürg Lamprecht OriginalPaper Pages: 415 - 419
Experimental evidence for effective and altruistic colony defence against natural predators by soldiers of the gall-forming aphid Pemphigus spyrothecae (Hemiptera : Pemphigidae) W. A. Foster OriginalPaper Pages: 421 - 430
“Philandering” — a mixed mating strategy in the splendid fairy-wren Malurus splendens Ian RowleyEleanor Russell OriginalPaper Pages: 431 - 437
The reproductive consequences of male cooperation in the red howler monkey: paternity exclusion in multi-male and single-male troops using genetic markers Theresa R. Pope OriginalPaper Pages: 439 - 446
Influence of social factors on sex ratio at birth, maternal investment and young survival in a prosimian primate Martine Perret OriginalPaper Pages: 447 - 454
Sex differences in partner preference in mated pairs of saddle-back tamarins (Saguinus fuscicollis) Gisela Epple OriginalPaper Pages: 455 - 459