Variation in foraging effort by lactating Antarctic fur seals: response to simulated increased foraging costs I. L. BoydD. J. McCaffertyT. R. Walker Pages: 135 - 144
Ornamentation predicts reproductive success in female pipefish Anders BerglundGunilla RosenqvistPatricia Bernet Pages: 145 - 150
Breeding synchrony and extra-pair mating in red-winged blackbirds Patrick J. Weatherhead Pages: 151 - 158
Why is competition more intense if food is supplied more slowly? Hiroshi HakoyamaKei'ichiroh Iguchi Pages: 159 - 168
The role of turbidity as a constraint on predator-prey interactions in aquatic environments Mark V. AbrahamsMichael G. Kattenfeld Pages: 169 - 174
The relative roles of predation and sperm competition on the duration of the post-copulatory association between the sexes in the blue crab, Callinectes sapidus P. Jivoff Pages: 175 - 185
A molecular genetic analysis of social structure, dispersal, and interpack relationships of the African wild dog (Lycaon pictus ) Derek J. GirmanM. G. L. MillsRobert K. Wayne Pages: 187 - 198
Why do female Belding's ground squirrels disperse away from food resources? Scott NunesPeter A. ZuggerKay E. Holekamp Pages: 199 - 207