Associations among members of a black-capped chickadee flock Millicent S. FickenSteve R. WitkinCharles M. Weise OriginalPaper Pages: 245 - 249
Kinship, demography, and belding's ground squirrel nepotism Paul W. Sherman OriginalPaper Pages: 251 - 259
Effect of group size and physiological state of a cagemate on reproduction in the parthenogenetic lizard, Cnemidophorous uniparens (Teiidae) Jill Elizabeth GustafsonDavid Crews OriginalPaper Pages: 267 - 272
The costs and benefits of frog chorusing behavior Michael J. RyanMerlin D. TuttleLucinda K. Taft OriginalPaper Pages: 273 - 278
Genetic differentiation among matrilines in social groups of rhesus monkeys Thomas J. OlivierCarole OberDonald Stone Sade OriginalPaper Pages: 279 - 285
Male social status, physiology, and ability to block pregnancies in female house mice (Mus musculus) Jay B. Labov OriginalPaper Pages: 287 - 291
Scent mediation of intraspecific, interspecific, and intergeneric agonistic behavior among sympatric species of voles (Microtinae) Frederick J. Jannett Jr. OriginalPaper Pages: 293 - 296
Sex ratios in high-density populations of the montane vole, Microtus montanus, and the behavior of territorial males Frederick J. Jannett Jr OriginalPaper Pages: 297 - 307
Lek territoriality in the tarantula hawk wasp Hemipepsis ustulata (Hymenoptera: Pompilidae) John Alcock OriginalPaper Pages: 309 - 317