Factors affecting male-male competition in thirteen-lined ground squirrels P. L. SchwagmeyerC. H. Brown OriginalPaper Pages: 1 - 6
Intra and interspecific behavior of Microtus pennsylvanicus and Microtus pinetorum J. A. CranfordT. L. Derting OriginalPaper Pages: 7 - 11
Time and energy budgets and competition in the common shrew (Sorex araneus L.) C. J. BarnardC. A. J. BrownJane Gray-Wallis OriginalPaper Pages: 13 - 18
Pack size and wolf pup survival: their relationship under varying ecological conditions Fred H. HarringtonL. David MechSteven H. Fritts OriginalPaper Pages: 19 - 26
Behavioraldominance and its relationship to habitat patch utilization by the hispid cotton rat (Sigmodon hispidus) Stephen R. SpencerGuy N. Cameron OriginalPaper Pages: 27 - 36
Colonization in a pika population: dispersal vs philopatry Andrew T. SmithBarbara L. Ivins OriginalPaper Pages: 37 - 47
Differential response of humpback whales, Megaptera novaeangliae, to playback of song or social sounds Peter Tyack OriginalPaper Pages: 49 - 55
Territoriality by hilltopping males of the great purple hairstreak, Atlides halesus (Lepidoptera, Lycaenidae): convergent evolution with a pompilid wasp John Alcock OriginalPaper Pages: 57 - 62
Colony activity integration in primitively eusocial wasps: the role of the queen (Polistes fuscatus, Hymenoptera: Vespidae) Hudson K. ReeveGeorge J. Gamboa OriginalPaper Pages: 63 - 74
The effects of size on the mating behaviour of the dung fly Sepsis cynipsea Paul I. Ward OriginalPaper Pages: 75 - 80