Fighting without weaponry: a review of male-male contest competition in butterflies Darrell J. KempChrister Wiklund Review Pages: 429 - 442
Female mate choice in the gray treefrog (Hyla versicolor) in three experimental environments Joshua J. SchwartzBryant W. BuchananH. Carl Gerhardt Original Article Pages: 443 - 455
Does egg colour affect predation rate on open passerine nests? Karel Weidinger Original Article Pages: 456 - 464
Courting male garter snakes (Thamnophis sirtalis parietalis) use multiple cues to identify potential mates R. ShineR.T. Mason Original Article Pages: 465 - 473
Falling on deaf ears: the adaptive significance of begging in the absence of a parent Amber E. BuddenJonathan Wright Original Article Pages: 474 - 481
Smooth-billed ani (Crotophaga ani) predation on butterflies in Mato Grosso, Brazil: risk decreases with increased group size Joanna BurgerMichael Gochfeld Original Article Pages: 482 - 492
Kin selection and the distribution of altruism in relation to degree of kinship in Japanese macaques (Macaca fuscata) Bernard ChapaisLiane SavardCarole Gauthier Original Article Pages: 493 - 502
Polyethism and the importance of context in the alarm reaction of the grass-cutting ant, Atta capiguara W.O.H. HughesD. Goulson Original Article Pages: 503 - 508
Worker policing in the bee Apis florea Luke A. HallingBenjamin P. OldroydSiriwat Wongsiri Original Article Pages: 509 - 513
Food supply differentially affects sibling negotiation and competition in the barn owl (Tyto alba) A. Roulin Original Article Pages: 514 - 519
Ectoparasite loads in free-ranging northern fence lizards, Sceloporus undulatus hyacinthinus: effects of testosterone and sex Matthew KlukowskiCraig E. Nelson Erratum Pages: 520 - 520
The effects of two acanthocephalan parasites, Pomphorhynchus laevis and Polymorphus minutus, on pairing success in male Gammarus pulex (Crustacea: Amphipoda) Loïc BollacheGérard GambadeFrank Cézilly Erratum Pages: 521 - 521
