Costs of maternal care: infant-carrying in baboons Jeanne AltmannAmy Samuels OriginalPaper Pages: 391 - 398
Male morphology and behavior correlate with reproductive success in the American redstart (Setophaga ruticilla) R. E. LemonD. M. WearyK. J. Norris OriginalPaper Pages: 399 - 403
Caste polyethism and collective defense in the ant, Pbeidole pallidula: the outcome of quantitative differences in recruitment C. DetrainJ. M. Pasteels OriginalPaper Pages: 405 - 412
An experimental study of male adornment in the scarlet-tufted malachite sunbird: I. The role of pectoral tufts in territorial defence Matthew R. EvansB. J. Hatchwell OriginalPaper Pages: 413 - 419
An experimental study of male adornment in the scarlet-tufted malachite sunbird: II. The role of the elongated tail in mate choice and experimental evidence for a handicap Matthew R. EvansB. J. Hatchwell OriginalPaper Pages: 421 - 427
Consequences and adaptive significance of variation in copulation duration in the dragonfly Sympetrum danae Nico K. Michiels OriginalPaper Pages: 429 - 435
High-frequency sound transmission in natural habitats: implications for the evolution of insect acoustic communication Heiner RomerJörg Lewald OriginalPaper Pages: 437 - 444
Cooperative hunting in lions: the role of the individual P. E. Stander OriginalPaper Pages: 445 - 454
The pursuit of extra-pair copulations by monogamous female razorbills: how do females benefit? Richard H. Wagner OriginalPaper Pages: 455 - 464