Reproductive success of solitary and communal Philoponella oweni (Araneae: Uloboridae) Deborah R. Smith OriginalPaper Pages: 149 - 154
Variance in male and female reproductive success in a harem-polygynous mammal, the black-tailed prairie dog (Sciuridae: Cynomys ludovicianus) John L. HooglandDavid W. Foltz OriginalPaper Pages: 155 - 163
Fieldfare (Turdus pilaris) breeding success in relation to colony size, nest position and association with Merlins (Falco columbarius) Christer G. Wiklund OriginalPaper Pages: 165 - 172
The loading effect in central place foraging wheatears (Oenanthe oenanthe L.) Allan CarlsonJuan Moreno OriginalPaper Pages: 173 - 183
Territorial defence in the great tit (Parus major): Do residents always win? John R. Krebs OriginalPaper Pages: 185 - 194
Intragroup dynamics of a cooperative breeder: An anlysis of reproductive roles in the acorn woodpecker Nancy E. JosteWalter D. KoenigFrank A. Pitelka OriginalPaper Pages: 195 - 201
Mother-pup separation and adoption in northern elephant seals Marianne L. RiedmanBurney J. Le Boeuf OriginalPaper Pages: 203 - 215
Differential attraction of females to dominant males: Olfactory discrimination and mating preference in the brown lemming (Lemmus trimucronatus) U. William HuckEdwin M. Banks OriginalPaper Pages: 217 - 222