Paternity, reproduction and conflict in vespine wasps: a model system for testing kin selection predictions Kevin R. FosterFrancis L. Ratnieks Review Pages: 1 - 8
The hunting handicap: costly signaling in human foraging strategies Rebecca Bliege BirdEric SmithDouglas W. Bird Original Article Pages: 9 - 19
Begging and food distribution in crimson rosella (Platycercus elegans) broods: why don't hungry chicks beg more? Elizabeth A. Krebs Original Article Pages: 20 - 30
The economics of harem maintenance in the sac-winged bat, Saccopteryx bilineata (Emballonuridae) Christian C. VoigtOtto von HelversenThomas H. Kunz Original Article Pages: 31 - 36
The secondary adjustment of clutch size in red-winged blackbirds (Agelaius phoeniceus) Scott ForbesBarb GlasseyLisa Earle Original Article Pages: 37 - 44
Is wind drift in migrating barnacle and brent geese, Branta leucopsis and Branta bernicla, adaptive or non-adaptive? Martin Green Original Article Pages: 45 - 54
Despotic establishment of breeding colonies of greater flamingos, Phoenicopterus ruber, in southern Spain Miguel A. RendónAraceli GarridoJuan A. Amat Original Article Pages: 55 - 60
Reproductive consequences of variation in the composition of howler monkey (Alouatta spp.) groups A. Treves Original Article Pages: 61 - 71
Serial polygyny and colony genetic structure in the monogynous queenless ant Diacamma cyaneiventre Jean-Baptiste AndréChristian PeetersClaudie Doums Original Article Pages: 72 - 80
Brood-provisioning strategies in Dawson's burrowing bee, Amegilla dawsoni (Hymenoptera: Anthophorini) Joseph L. TomkinsLeigh W. SimmonsJohn Alcock Original Article Pages: 81 - 89
Vigilance and aggregation in black howler monkeys (Alouatta pigra) Adrian TrevesAnn DrescherNicky Ingrisano Original Article Pages: 90 - 95
The hunting handicap: costly signaling in human foraging strategies Rebecca BirdEric SmithDouglas W. Bird Erratum Pages: 96 - 96