Determinants and evolutionary consequences of dominance among female gelada baboons R. I. M. Dunbar OriginalPaper Pages: 253 - 265
Seasonal activity and thermoregulation in Meriones unguiculatus: A gerbil's choice Jan A. RandallDel D. Thiessen OriginalPaper Pages: 267 - 272
Age, coloration and dominance in nonbreeding hummingbirds: A test of the asymmetry hypothesis Paul W. EwaldSievert Rohwer OriginalPaper Pages: 273 - 279
Worker population structure and gyne production in the ant Myrmica M. V. BrianR. M. Jones OriginalPaper Pages: 281 - 286
Sex ratios in bumble bee colonies: Complications due to orphaning? Robin E. OwenF. H. RoddR. C. Plowright OriginalPaper Pages: 287 - 291
The effect of colony size and starvation on food flow in the fire ant, Solenopsis invicta (Hymenoptera: Formicidae) Dennis F. HowardWalter R. Tschinkel OriginalPaper Pages: 293 - 300
Flight speeds of birds observed with radar: Evidence for two phases of migratory flight Ronald P. LarkinDavid Thompson OriginalPaper Pages: 301 - 317
Bird orientation: Single homing pigeons compared with small flocks Staffan Tamm OriginalPaper Pages: 319 - 322
Functional aspects of the pair bond in winter in Bewick's swans (Cygnus columbianus bewickii) D. K. Scott OriginalPaper Pages: 323 - 327
Complex brood care and reproductive behaviour in captive poison-arrow frogs, Dendrobates pumilio O. Schmidt Peter Weygoldt OriginalPaper Pages: 329 - 332