Relatedness and avoidance of inbreeding in the lizard, Tiliqua rugosa C. Michael BullSteven J. B. Cooper ORIGINAL ARTICLE Pages: 367 - 372
A nesting association between semi-colonial Bullock's orioles and yellow-billed magpies: evidence for the predator protection hypothesis David S. RichardsonGinger M. Bolen ORIGINAL ARTICLE Pages: 373 - 380
The cost of host egg damage caused by a brood parasite: experiments on great spotted cuckoos (Clamator glandarius) and magpies (Pica pica) Manuel SolerJuan José SolerTomás Pérez-Contreras ORIGINAL ARTICLE Pages: 381 - 386
Determinants of male mating success in the red bishop (Euplectes orix) Thomas W. P. FriedlGeorg M. Klump ORIGINAL ARTICLE Pages: 387 - 399
Offspring number in pygmy marmosets, Cebuella pygmaea *, in relation to group size and the number of adult males Eckhard W. HeymannPekka Soini ORIGINAL ARTICLE Pages: 400 - 404
Extended family structure in the ant Formica paralugubris: the role of the breeding system Michel ChapuisatLaurent Keller ORIGINAL ARTICLE Pages: 405 - 412
Reproduction versus work in queenless ants: when to join a hierarchy of hopeful reproductives? T. MonninFrancis L. W. Ratnieks Original Article Pages: 413 - 422
Scramble competition selects for greater tailfin size in male red-spotted newts (Amphibia: Salamandridae) David J. Able ORIGINAL ARTICLE Pages: 423 - 428
Female foraging and male vigilance in white-tailed ptarmigan (Lagopus leucurus): opportunism or behavioural coordination? Thomas ArtissWesley M. HochachkaKathy Martin ORIGINAL ARTICLE Pages: 429 - 434
Helping behaviour in the Arabian babbler: was Wright’s dismissal of the unselected hypothesis warranted? I. G. JamiesonLeigh J. Marshall Forum Pages: 435 - 436