Worker policing and nest mate recognition in the ant Formica fusca Heikki HelanteräLiselotte Sundström Original Paper 17 January 2007 Pages: 1143 - 1149
Complexity in an obligate mutualism: do fungus-gardening ants know what makes their garden grow? Jon N. SealWalter R. Tschinkel Original Paper 13 January 2007 Pages: 1151 - 1160
Digit ratios (2D:4D), secondary sexual characters and cell-mediated immunity in house sparrows Passer domesticus Carlos NavarroFlorentino de LopeAnders Pape Møller Original Paper 13 January 2007 Pages: 1161 - 1168
Shouting the odds: vocalization signals status in a lizard Toby J. HibbittsMartin J. WhitingDevi M. Stuart-Fox Original Paper 22 December 2006 Pages: 1169 - 1176
No cost of male mating experience on female reproductive success in the almond moth, Cadra cautella (Lepidoptera; Pyralidae) Kathryn B. McNamaraTherésa M. JonesMark A. Elgar Original Paper 19 January 2007 Pages: 1177 - 1184
Differential responses of honeybee (Apis mellifera) patrilines to changes in stimuli for the generalist tasks of nursing and foraging Nadine C. ChapmanBenjamin P. OldroydWilliam O. H. Hughes Original Paper 16 January 2007 Pages: 1185 - 1194
Relatedness, recognition errors, and colony fusion in the termite Nasutitermes corniger Eldridge S. AdamsLynn AtkinsonMark S. Bulmer Original Paper 02 February 2007 Pages: 1195 - 1201
No cultural transmission of species recognition between parents and offspring in free-living great tits and blue tits Bo Terning HansenLars Erik JohannessenTore Slagsvold Original Paper 08 February 2007 Pages: 1203 - 1209
Androgen-dependent maternal effects on offspring fitness in zebra finches Joanna RutkowskaTomasz WilkMariusz Cichoń Original Paper 06 February 2007 Pages: 1211 - 1217
All-offspring dispersal in a tropical mammal with resource defense polygyny Dina K. N. DechmannElisabeth K. V. KalkoGerald Kerth Original Paper 30 January 2007 Pages: 1219 - 1228
Mate preferences in Drosophila infected with Wolbachia? Fleur E. Champion de CrespignyNina Wedell Original Paper 02 February 2007 Pages: 1229 - 1235
Feeding over the 24-h cycle: dietary flexibility of cathemeral collared lemurs (Eulemur collaris) Giuseppe DonatiAn BollenJoerg U. Ganzhorn Original Paper 06 February 2007 Pages: 1237 - 1251
Queuing for dominance: gerontocracy and queue-jumping in the hover wasp Liostenogaster flavolineata Catherine BridgeJeremy Field Original Paper 02 February 2007 Pages: 1253 - 1259
State subsidies induce gray jays to accept greater danger: an ecologically rational response? Thomas A. WaiteAndrew L. NevaiKevin M. Passino Original Paper 06 February 2007 Pages: 1261 - 1266
Soft song in song sparrows: response of males and females to an enigmatic signal Rindy C. AndersonStephen NowickiWilliam A. Searcy Original Paper 15 February 2007 Pages: 1267 - 1274
Effects of testosterone supplementation on chemical signals of male Iberian wall lizards: consequences for female mate choice José MartínPilar LópezKevin M. Pilz Original Paper 30 January 2007 Pages: 1275 - 1282
Social and ecological factors affecting paternity allocation in American robins with overlapping broods Karen M. C. RowePatrick J. Weatherhead Original Paper 30 January 2007 Pages: 1283 - 1291
Female preferences for multiple attributes in the acoustic signals of the Italian treefrog, Hyla intermedia Sergio CastellanoAlessandra Rosso Original Paper 22 February 2007 Pages: 1293 - 1302
Sperm traits in the quacking frog (Crinia georgiana), a species with plastic alternative mating tactics Attila HettyeyJ. Dale Roberts Original Paper 30 January 2007 Pages: 1303 - 1310
Tardy females, impatient males: protandry and divergent selection on arrival date in the two sexes of the barn swallow Anders Pape Møller Original Paper 08 February 2007 Pages: 1311 - 1319