Alternative mating tactics and the law of Diminishing Returns: The Satellite Threshold Model Edward C. Waltz OriginalPaper Pages: 75 - 83
Nest defense and central place foraging: A model and experiment Steven Martindale OriginalPaper Pages: 85 - 89
The association of female kin in the arctic ground squirrel Spermophilus parryii Ian G. McLean OriginalPaper Pages: 91 - 99
Comparative costs of promiscuity and monogramy: A test of reproductive effort theory William PostJon S. Greenlaw OriginalPaper Pages: 101 - 107
Territorial defense and lek behavior of the black swallowtail butterfly, Papilio polyxenes Robert C. Lederhouse OriginalPaper Pages: 109 - 118
Foraging differences between cross-fostered honeybee workers (Apis mellifera) of European and Africanized races Mark L. WinstonSusan J. Katz OriginalPaper Pages: 125 - 129
The mating system of the brown hyaena, Hyaena brunnea in the southern Kalahari M. G. L. Mills OriginalPaper Pages: 131 - 136
Colony founding in Myrmecocystus mimicus wheeler (Hymenoptera: Formicidae) and the evolution of foundress associations Stephen H. BartzBert Hölldobler OriginalPaper Pages: 137 - 147
Fish in larger shoals find food faster T. J. PitcherA. E. MagurranI. J. Winfield OriginalPaper Pages: 149 - 151
Sunset and the orientation of a nocturnal bird migrant: A mirror experiment Frank R. Moore OriginalPaper Pages: 153 - 155
