Species-specific antipredatory behaviours: effects on prey choice in different habitats B. ChristensenL. Persson OriginalPaper Pages: 1 - 9
Maternal care in the bromeliad crab Metopaulias depressus (Decapoda) : maintaining oxygen, pH and calcium levels optimal for the larvae Rudolf DieselMartina Schuh OriginalPaper Pages: 11 - 15
Memory dynamics and foraging strategies of honeybees Uwe GreggersRandolf Menzel OriginalPaper Pages: 17 - 29
Costs and consequences of variation in the size of ruff leks Jacob HöglundRobert MontgomerieFredrik Widemo OriginalPaper Pages: 31 - 39
Sex-biased lactational duration in a human population and its reproductive costs Susan W. MargulisJeanne AltmannCarole Ober OriginalPaper Pages: 41 - 45
Seasonal decline in intracolony genetic relatedness in eastern tent caterpillars: implications for social evolution James T. Costa IIIKenneth G. Ross OriginalPaper Pages: 47 - 54
The ultimate function of nuptial feeding in the bushcricket Poecilimon veluchianus (Orthoptera : Tettigoniidae : Phaneropterinae) Klaus ReinholdKlaus-Gerhard Heller OriginalPaper Pages: 55 - 60
Brood reduction in response to manipulated brood sizes in the common swift (Apus apus) Thais L. F. MartinsJonathan Wright OriginalPaper Pages: 61 - 70