Multiple regression analysis of the sources of variation in orientation of two sympatric sandhoppers, Talitrus saltator and Talorchestia brito, from an exposed Mediterranean beach Felicita ScapiniAndrea AloiaGiovanni M.Marchetti Original Article Pages: 403 - 414
How honeybees (Apis mellifera L.) change their broodcare behaviour in response to non-foraging conditions and poor pollen conditions T. Schmickl K. Crailsheim Original Article Pages: 415 - 425
Tests of the mate-guarding hypothesis for social monogamy: does population density, sex ratio, or female synchrony affect behavior of male snapping shrimp (Alpheus angulatus)? Lauren M. Mathews Original Article Pages: 426 - 432
Sexual conflict, sexual selection and sperm competition in the spawning decisions of bitterling, Rhodeus sericeus Carl SmithAlex DouglasPavel Jurajda Original Article Pages: 433 - 439
Costs of courtship and mating in a sexually cannibalistic orb-web spider: female mating strategies and their consequences for males M. Herberstein J. Schneider M. Elgar Original Article Pages: 440 - 446
Laying date and laying sequence influence the sex ratio of crimson rosella broods Elizabeth A. KrebsDavid J. GreenRichard Griffiths Original Article Pages: 447 - 454
Trading-off risks from predators and from aggressive hosts John L. QuinnYakov Kokorev Original Article Pages: 455 - 460
Chemical rival recognition decreases aggression levels in male Iberian wall lizards, Podarcis hispanica Pilar LópezJosé Martín Original Article Pages: 461 - 465
Seeing is believing: information about predators influences yellowhammer behavior Ineke T. van der Veen Original Article Pages: 466 - 471
Origin of male-biased sex allocation in orphaned colonies of the termite, Coptotermes lacteus Yves RoisinMichael Lenz Original Article Pages: 472 - 479
Higher-level evolution of intraspecific flock-feeding in birds Guy Beauchamp Original Article Pages: 480 - 487
Colony defense and behavioral differentiation in the eusocial shrimp Synalpheus regalis Emmett J. DuffyCheryl L. MorrisonKenneth S. Macdonald Original Article Pages: 488 - 495
