The neglected scent: on the marking function of urine in Lemur catta E. PalagiL. DapportoS. Borgognini Tarli Original Article 19 May 2005 Pages: 437 - 445
The effect of perceived intruder proximity and resident body size on the aggressive responses of male green frogs, Rana clamitans (Anura: Ranidae) Patrick C. OwenNoah M. Gordon Original Article 20 May 2005 Pages: 446 - 455
Provisioning rules and chick competition in asynchronously hatching common terns (Sterna hirundo) Tasha E. SmithMarty L. LeonardBarry D. Smith Original Article 19 May 2005 Pages: 456 - 465
The dynamics of brood desertion among communally breeding females in the treehopper, Publilia concava Andrew G. Zink Original Article 19 May 2005 Pages: 466 - 473
Sexual selection and reproductive careers in mandrills (Mandrillus sphinx) Joanna M. SetchellMarie CharpentierE. Jean Wickings Original Article 21 May 2005 Pages: 474 - 485
Changes in the cuticular hydrocarbons of incipient reproductives correlate with triggering of worker policing in the bulldog ant Myrmecia gulosa Vincent DietemannJürgen LiebigChristian Peeters Original Article 25 May 2005 Pages: 486 - 496
Male bill colour and age are associated with parental abilities and breeding performance in blackbirds Marina PréaultOlivier ChastelBruno Faivre Original Article 29 April 2005 Pages: 497 - 505
Social system and reproduction of helpers in a cooperatively breeding cichlid fish (Julidochromis ornatus) in Lake Tanganyika: field observations and parentage analyses Satoshi AwataHiroyuki MuneharaMasanori Kohda Original Article 18 May 2005 Pages: 506 - 516
Why is dominance hierarchy age-related in social insects? The relative longevity hypothesis Kazuki TsujiNobuyuki Tsuji Original Article 18 May 2005 Pages: 517 - 526