Evidence of equal maternal investment in the sexes in the polygynous and sexually dimorphic grey seal (Halichoerus grypus) Per T. SmisethSvein-Håkon Lorentsen OriginalPaper Pages: 145 - 150
Testosterone-induced depression of male parental behavior in the barn swallow: female compensation and effects on seasonal fitness N. SainoA. P. Møller OriginalPaper Pages: 151 - 157
The reproductive behavior and energetics of male gray seals (Halichoerus grypus) breeding on a land-fast ice substrate M. Tim TinkerKit M. KovacsMike O. Hammill OriginalPaper Pages: 159 - 170
Sex difference in signature whistle production of free-ranging bottlenose dolphins, Tursiops truncates Laela S. SayighPeter L. TyackA. Blair Irvine OriginalPaper Pages: 171 - 177
Female choice on male quantitative traits in lizards — why is it so rare? Mats OlssonThomas Madsen OriginalPaper Pages: 179 - 184
Pillar building in the fiddler crab Uca beebei: evidence for a condition-dependent ornament Patricia R.Y. BackwellMichael D. JennionsUrsula Schober OriginalPaper Pages: 185 - 192
Past reproductive effort affects parental behaviour in a cichlid fish, Cichlasoma nigrofasciatum: a comparison of inexperienced and experienced breeders with normal and experimentally reduced broods Robert J. LaveryRobert J. Laveryl OriginalPaper Pages: 193 - 199
Does the great spotted cuckoo choose magpie hosts according to their parenting ability? Juan José SolerManuel SolerJuan Gabriel Martínez OriginalPaper Pages: 201 - 206
Flexible bat echolocation: the influence of individual, habitat and conspecifics on sonar signal design Martin K. Obrist OriginalPaper Pages: 207 - 219
