Disappearance and dispersal of Spermophilus elegans juveniles in relation to behavior Sharon Pfeifer OriginalPaper Pages: 237 - 243
Sexual selection in harvester ants (Hymenoptera: Formicidae: Pogonomyrmex) Diane W. Davidson OriginalPaper Pages: 245 - 250
Optimal foraging: Some simple stochastic models D. W. StephensEric L. Charnov OriginalPaper Pages: 251 - 263
Kin structure and the swarming behavior of the honey bee Apis mellifera Wayne M. GetzDorothea BrücknerThomas R. Parisian OriginalPaper Pages: 265 - 270
Interindividual use of echolocation calls: Eavesdropping by bats Robert M. R. Barclay OriginalPaper Pages: 271 - 275
Natal philopatry and breeding area fidelity of long-billed curlews (Numenius americanus): Patterns and evolutionary consequences Roland L. RedmondDonald A. Jenni OriginalPaper Pages: 277 - 279
Morphological variation in a population of grey-crowned babblers: Correlations with variables affecting social behavior J. L. BrownE. R. BrownS. D. Brown OriginalPaper Pages: 281 - 287
Symmetric fights as a measure of escalation potential in a symbiotic, territorial snapping shrimp Nancy KnowltonBrian D. Keller OriginalPaper Pages: 289 - 292
Lifetime mating success in a natural population of the damselfly, Enallagma hageni (Walsh) (Odonata: Coenagrionidae) Ola M. Fincke OriginalPaper Pages: 293 - 302
High altitude echolocation of insects by bats Donald R. GriffinDavid Thompson OriginalPaper Pages: 303 - 306
The effects of prior residence, competitive ability and food availability on the outcome of interactions between shrews (Sorex araneus L.) C. J. BarnardC. A. J. Brown OriginalPaper Pages: 307 - 312