Absence of sex-differential brood raising by workers in Diacamma sp. from Japan Kensuke Nakata Original article Pages: 223 - 227
Why is the coral-reef fish Valenciennea strigata (Gobiidae) monogamous? Robert H. ReavisGeorge W. Barlow Original article Pages: 229 - 237
Bushcricket song structure and predation by the acoustically orienting parasitoid fly Therobia leonidei (Diptera: Tachinidae: Ormiini) Gerlind U. C. LehmannKlaus-Gerhard Heller Original article Pages: 239 - 245
An experimental study of pleometrotic colony founding in the fire ant, Solenopsis invicta : what is the basis for association? Walter R. Tschinkel Original article Pages: 247 - 257
Begging behavior and food acquisition by brown-headed cowbird nestlings Donald C. Dearborn Original article Pages: 259 - 270
The nature and frequency of social interactions among free-living prairie voles (Microtus ochrogaster) Betty McGuireLowell L. Getz Original article Pages: 271 - 279
Extra-pair paternity in the monogamous Alpine marmot revealed by nuclear DNA microsatellite analysis Benoît GoossensLaurent GrazianiDominique Allainé Original article Pages: 281 - 288
Egg adoption can explain joint egg-laying in common eiders Gregory J. Robertson Original article Pages: 289 - 296
Pigeon homing: sun compass use in the southern hemisphere Roswitha WiltschkoCordula HaughWolfgang Wiltschko Original article Pages: 297 - 300
High relatedness and inbreeding in two species of haplodiploid eusocial thrips (Insecta: Thysanoptera) revealed by microsatellite analysis Thomas W. ChapmanBernard Crespi Original article Pages: 301 - 306
Non-aggressive mate guarding by the blue-footed booby: a balance of female and male control Marcela Osorio-BeristainHugh Drummond Original article Pages: 307 - 315
Repellent scent-marking of flowers by a guild of foraging bumblebees (Bombus spp.) Jane C. StoutDave GoulsonJohn A. Allen Original article Pages: 317 - 326
Dominance and polyethism in the eusocial wasp Mischocyttarus mastigophorus (Hymenoptera: Vespidae) Sean O'Donnell Original article Pages: 327 - 331
Shoal composition, body size and foraging in sticklebacks Nina Peuhkuri Original article Pages: 333 - 337
Variation in homeward orientation performance in the sleepy lizard (Tiliqua rugosa): effects of sex and reproductive period M. J. Freake Original article Pages: 339 - 344