1. The neglected scent: on the marking function of urine in Lemur catta

   • E. Palagi
   • L. Dapporto
   • S. Borgognini Tarli

   Original Article 19 May 2005 Pages: 437 - 445

   

2. The effect of perceived intruder proximity and resident body size on the aggressive responses of male green frogs, Rana clamitans (Anura: Ranidae)

   • Patrick C. Owen
   • Noah M. Gordon

   Original Article 20 May 2005 Pages: 446 - 455

   

3. Provisioning rules and chick competition in asynchronously hatching common terns (Sterna hirundo)

   • Tasha E. Smith
   • Marty L. Leonard
   • Barry D. Smith

   Original Article 19 May 2005 Pages: 456 - 465

   

4. 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

   

5. Sexual selection and reproductive careers in mandrills (Mandrillus sphinx)

   • Joanna M. Setchell
   • Marie Charpentier
   • E. Jean Wickings

   Original Article 21 May 2005 Pages: 474 - 485

   

6. Changes in the cuticular hydrocarbons of incipient reproductives correlate with triggering of worker policing in the bulldog ant Myrmecia gulosa

   • Vincent Dietemann
   • Jürgen Liebig
   • Christian Peeters

   Original Article 25 May 2005 Pages: 486 - 496

   

7. Male bill colour and age are associated with parental abilities and breeding performance in blackbirds

   • Marina Préault
   • Olivier Chastel
   • Bruno Faivre

   Original Article 29 April 2005 Pages: 497 - 505

   

8. Social system and reproduction of helpers in a cooperatively breeding cichlid fish (Julidochromis ornatus) in Lake Tanganyika: field observations and parentage analyses

   • Satoshi Awata
   • Hiroyuki Munehara
   • Masanori Kohda

   Original Article 18 May 2005 Pages: 506 - 516

   

9. Why is dominance hierarchy age-related in social insects? The relative longevity hypothesis

   • Kazuki Tsuji
   • Nobuyuki Tsuji

   Original Article 18 May 2005 Pages: 517 - 526