Prior contest information: mechanisms underlying winner and loser effects Yuying HsuI-Han LeeChung-Kai Lu Original Paper 02 June 2009 Pages: 1247 - 1257
Do meerkat (Suricata suricatta) pups exhibit strategic begging behaviour and so exploit adults that feed at relatively high rates? Joah R. MaddenHans-Joerg P. KuncTim H. Clutton-Brock Original Paper 27 May 2009 Pages: 1259 - 1268
Female and male behavioral response to advertisement calls of graded complexity in túngara frogs, Physalaemus pustulosus Ximena E. BernalKarin L. AkreMichael J. Ryan Original Paper 03 June 2009 Pages: 1269 - 1279
Site fidelity and patterns of short- and long-term movement in the brilliant-thighed poison frog Allobates femoralis (Aromobatidae) Max RinglerEva UrsprungWalter Hödl Original Paper 05 June 2009 Pages: 1281 - 1293
The social network structure of a wild meerkat population: 1. Inter-group interactions J. A. DreweJ. R. MaddenG. P. Pearce Original Paper 27 May 2009 Pages: 1295 - 1306
Female-biased sex allocation of offspring by an Apodemus mouse in an unstable environment Fumihito ShibataTakeo Kawamichi Original Paper Open access 22 May 2009 Pages: 1307 - 1317
Heavier birds react faster to predators: individual differences in the detection of stalking and ambush predators Katherine A. JonesJohn R. KrebsMark J. Whittingham Original Paper 26 May 2009 Pages: 1319 - 1329
“Friendships” between new mothers and adult males: adaptive benefits and determinants in wild baboons (Papio cynocephalus) Nga NguyenRussell C. Van HornJeanne Altmann Original Paper 06 June 2009 Pages: 1331 - 1344
Environmental and genetic causes of maturational differences among rhesus macaque matrilines Gregory E. Blomquist Original Paper 28 May 2009 Pages: 1345 - 1352
Do bumble bee queens choose nest sites to maximize foraging rate? Testing models of nest site selection Yukari SuzukiLina G. KawaguchiYukihiko Toquenaga Original Paper 05 June 2009 Pages: 1353 - 1362
Adult sex ratio affects divorce rate in the monogamous endoparasite Schistosoma mansoni Sophie BeltranFrank CézillyJérôme Boissier Original Paper 24 March 2009 Pages: 1363 - 1368
Threat-sensitive generalization of predator recognition by larval amphibians Maud C. O. FerrariGrant E. BrownDouglas P. Chivers Original Paper 27 May 2009 Pages: 1369 - 1375
How do fighting ability and nest value influence usurpation contests in Polistes wasps? Elizabeth A. TibbettsJohn R. Shorter Original Paper 25 April 2009 Pages: 1377 - 1385
Developmental stress affects song learning but not song complexity and vocal amplitude in zebra finches Henrik BrummSue Anne ZollingerPeter J. B. Slater Original Paper Open access 24 March 2009 Pages: 1387 - 1395
