Food availability and immune capacity in serin (Serinus serinus) nestlings Maria Hoi-LeitnerMarilo Romero-PujanteA. Pavlova Original Article Pages: 333 - 339
The importance of nestling location for obtaining food in open cup-nests Roni Ostreiher Original Article Pages: 340 - 347
Costs of trail construction and maintenance in the leaf-cutting ant Atta columbica Jerome J. Howard Original Article Pages: 348 - 356
Nestling sex ratio variation in the cooperatively breeding acorn woodpecker (Melanerpes formicivorus) Walter D. KoenigMark T. StanbackFemmie Kraaijeveld-Smit Original Article Pages: 357 - 365
Intranest relatedness and nestmate recognition in the meadow ant Formica pratensis (R.) C.W.W. PirkP. NeumannP. Pamilo Original Article Pages: 366 - 374
Sociogenetic responses to ecological variation in the ant Myrmica punctiventris are context dependent Christopher J. DeHeerVicki L. BackusJoan M. Herbers Original Article Pages: 375 - 386
Task partitioning, division of labour and nest compartmentalisation collectively isolate hazardous waste in the leafcutting ant Atta cephalotes Adam G. HartFrancis L.W. Ratnieks Original Article Pages: 387 - 392
Clock-shift experiments with homing pigeons: a compromise between solar and magnetic information? Roswitha WiltschkoWolfgang Wiltschko Original Article Pages: 393 - 400
Cuticular hydrocarbons and reproductive status in the social wasp Polistes dominulus Matthew F. SledgeFrancesca BoscaroStefano Turillazzi Original Article Pages: 401 - 409
Ectomised conductors in the golden orb-web spider, Nephila plumipes (Araneoidea): a male adaptation to sexual conflict? Jutta M. SchneiderMelissa L. ThomasMark A. Elgar Original Article Pages: 410 - 415
Nest-site selection in honey bees: how well do swarms implement the "best-of-N" decision rule? Thomas D. SeeleySusannah C. Buhrman Original Article Pages: 416 - 427