The adaptive significance of communal nesting in Groove-billed anis (Crotophaga sulcirostris) Sandra L. Vehrencamp OriginalPaper Pages: 1 - 33
Experimental tests of the optimal diet in two social insects Diane W. Davidson OriginalPaper Pages: 35 - 41
Effects of helpers on feeding of nestlings in the Grey-crowned Babbler (Pomatostomus temporalis) Jerram L. BrownDouglas D. DowSheryl D. Brown OriginalPaper Pages: 43 - 59
Spontaneous discharge rhythms and social signalling in the weakly electric fish Pollimyrus isidori (cuvier et valenciennes) (Mormyridae, Teleostei) Bernd Kramer OriginalPaper Pages: 61 - 74
Foraging and spatial organisation of the European badger, Meles meles L. Hans Kruuk OriginalPaper Pages: 75 - 89
Group size, foraging, and antipredator ploys: An analysis of bighorn sheep decisions Joel Berger OriginalPaper Pages: 91 - 99
Caterpillars detect flying wasps by hairs sensitive to airborne vibration Jürgen TautzHubert Markl OriginalPaper Pages: 101 - 110