Birth sex ratios in toque macaques and other mammals: integrating the effects of maternal condition and competition Wolfgang P. J. Dittus REVIEW Pages: 149 - 160
Sperm allocation in an uncertain world Alison GalvaniRufus Johnstone ORIGINAL ARTICLE Pages: 161 - 168
Testes mass in megachiropteran bats varies in accordance with sperm competition theory D. J. Hosken ORIGINAL ARTICLE Pages: 169 - 177
Sexual selection in the zebra finch Taeniopygia guttata : condition, sex traits and immune capacity T. R. BirkheadF. FletcherE. J. Pellatt ORIGINAL ARTICLE Pages: 179 - 191
Brood pheromone stimulates pollen foraging in honey bees (Apis mellifera) Tanya PankiwRobert E. Page JrM. Kim Fondrk ORIGINAL ARTICLE Pages: 193 - 198
Anal gland secretion codes for family membership in the beaver Lixing SunDietland Müller-Schwarze ORIGINAL ARTICLE Pages: 199 - 208
Habituation in the green frog, Rana clamitans Patrick C. OwenStephen A. Perrill ORIGINAL ARTICLE Pages: 209 - 213