Trade-offs in foraging success and predation risk with spatial position in colonial spiders Linda S. RayorGeorge W. Uetz OriginalPaper Pages: 77 - 85
Mate sampling behaviour of female pied flycatchers: evidence for active mate choice Svein DaleTrond AmundsenTore Slagsvold OriginalPaper Pages: 87 - 91
Pigeon homing: a comparison between groups raised under different conditions S. BenvenutiV. FiaschiP. Luschi OriginalPaper Pages: 93 - 98
Maternal investment in sons and daughters: problems of methodology Wendy C. H. GreenJoel Berger OriginalPaper Pages: 99 - 102
On the integration of individual foraging strategies with colony ergonomics in social insects: nectar-collection in honeybees Thomas J. WolfPaul Schmid-Hempel OriginalPaper Pages: 103 - 111
Fostering behavior in Hawaiian monk seals: is there a reproductive cost? Daryl J. Boness OriginalPaper Pages: 113 - 122
Use of the song repertoire in intersexual and intrasexual contexts by male red-winged blackbirds William A. SearcyKen Yasukawa OriginalPaper Pages: 123 - 128
Male limitation of female reproductive success in a pipefish: effects of body-size differences Anders BerglundGunilla Rosenqvist OriginalPaper Pages: 129 - 133
Inadvertent errors and error-constrained optimization: fallible foraging by bluegill sunfish P. H. CrowleyD. R. DeVriesA. Sih OriginalPaper Pages: 135 - 144