The number of males in primate social groups: a comparative test of the socioecological model Charles L. Nunn REVIEW Pages: 1 - 13
Sperm economy and limitation in spiny lobsters A. B. MacDiarmidMark J. Butler IV ORIGINAL ARTICLE Pages: 14 - 24
Two clinal trends in male-male aggressiveness in a subsocial spider mite (Schizotetranychus miscanthi) Yutaka SaitoKen Sahara ORIGINAL ARTICLE Pages: 25 - 29
Optimal timing of comb construction by honeybee (Apis mellifera) colonies: a dynamic programming model and experimental tests Stephen C. Pratt ORIGINAL ARTICLE Pages: 30 - 42
Why do nocturnal orb-web spiders (Araneidae) search for light? Astrid M. Heiling ORIGINAL ARTICLE Pages: 43 - 49
Frequency and timing of extrapair fertilisation in the polyandrous red phalarope (Phalaropus fulicarius) James DaleRobert MontgomeriePeter Boag ORIGINAL ARTICLE Pages: 50 - 56
Reduced take-off ability in robins (Erithacus rubecula) due to migratory fuel load Johan LindThord FranssonCecillia Kullberg ORIGINAL ARTICLE Pages: 65 - 70
