Variation in lekking costs in blackbuck (Antilope cervicapra): relationship to lek-territory location and female mating patterns Isvaran, K. & Jhala, Y. 547
Vigilance in bronze mannikin groups: the contributions of predation risk and intra-group competition Slotow, R. & Coumi, N. 565
Spatial relationships as an indicator of successful pack formation in free-ranging African wild dogs McCreery, E.K. 579
Influence of insect associated cues on the jumping behavior of entomopathogenic nematodes (Steinernema spp.) Campbell, J.F. & Kaya, H.K. 591
The development of larval foraging behaviour in Drosophila pavani, D. gaucha and their reciprocal hybrids Del Pino, F. & Godoy-Herrera, R. 611
Development of vocal responses in infant cotton-top tamarins Castro, N.A. & Snowdon, C.T. 629
The effect of castration on aggression in the nonbreeding season is age-dependent in male European starlings Pinxten, R., De Ridder, E., Balthazart, J., Berghman, L. & Eens, M. 647
Social bonds and the coherence of mountain baboon troops Henzi, S.P., Lycett, J.E., Weingrill, A. & Piper, S.E. 663
