The relationship between parental age and reproductive effort in the California Gull (Larus californicus) Bruce H. Pugesek OriginalPaper Pages: 161 - 171
The effect of group size on time budgets and social behaviour in wild long-tailed macaques (Macaca fascicularis) Carel P. van SchaikMaria A. van NoordwijkIsolde den Tonkelaar OriginalPaper Pages: 173 - 181
Social organization of a free-ranging population of pine voles, Microtus pinetorum Randall W. FitzGeraldDale M. Madison OriginalPaper Pages: 183 - 187
Do gold Midas cichlid fish win fights because of their color, or because they lack normal coloration? George W. Barlow OriginalPaper Pages: 197 - 204
Moonlight's influence on predator/prey interactions between short-eared owls (Asio flammeus) and deermice (Peromyscus maniculatus) Jennifer A. Clarke OriginalPaper Pages: 205 - 209
An equilibrium theory of queen production in honeybee colonies preparing to swarm Douglas H. BairdThomas D. Seeley OriginalPaper Pages: 221 - 228
Display dispersion and diet of birds of paradise: a comparison of nine species Bruce BeehlerStephen G. Pruett-Jones OriginalPaper Pages: 229 - 238
