Territorial fidelity of willow warbler (Phylloscopus trochilus) males and success in competition over territories Sven Jakobsson OriginalPaper Pages: 79 - 84
Space use, longevity, and reproductive success in meadow voles Marita SheridanRobert H. Tamarin OriginalPaper Pages: 85 - 90
Avian flocking reduces starvation risk: an experimental demonstration Jan EkmanMikael Hake OriginalPaper Pages: 91 - 94
Correlates of male reproductive success in the browncheek blenny, Acanthemblemaria crockeri (Blennioidea: Chaenopsidae) Philip A. Hastings OriginalPaper Pages: 95 - 102
Colony growth and the ontogeny of worker polymorphism in the fire ant, Solenopsis invicta Walter R. Tschinkel OriginalPaper Pages: 103 - 115
Mate fidelity of renesting pied flycatchers Ficedula hypoleuca in relation to characteristics of the pair mates Jan T. LifjeldTore Slagsvold OriginalPaper Pages: 117 - 123
Response of territorial male song sparrows to song types and variations Philip K. StoddardMichael D. BeecherMary S. Willis OriginalPaper Pages: 125 - 130
Helper contributions to reproductive success in the splendid fairy-wren (Malurus splendens) Eleanor RussellIan Rowley OriginalPaper Pages: 131 - 140
Influence of kinship on helping behavior in Galápagos mockingbirds Robert L. Curry OriginalPaper Pages: 141 - 152