Optimal patch time allocation for time-limited foragers Eric WajnbergPierre BernhardGuy Boivin Original Article 14 January 2006 Pages: 1 - 10
Eggshell strength of an obligate brood parasite: a test of the puncture resistance hypothesis Anton AntonovBård G. StokkeEivin Røskaft Original Article 11 January 2006 Pages: 11 - 18
The role of images of conspecifics as visual cues in the development and behavior of larval anurans Irena Rot-NikcevicChristopher N. TaylorRichard J. Wassersug Original Article 01 March 2006 Pages: 19 - 25
Relationship between body size, provisioning rate, longevity and reproductive success in females of the solitary bee Osmia cornuta Jordi BoschNarcís Vicens Original Article 16 December 2005 Pages: 26 - 33
Human digit ratios depend on birth order and sex of older siblings and predict maternal fecundity Nicola SainoBarbara LeoniMaria Romano Original Article 11 January 2006 Pages: 34 - 45
Sexual selection for male parental care in the sand goby, Pomatoschistus minutus Kai LindströmColette M. St. MaryChristophe Pampoulie Original Article 04 January 2006 Pages: 46 - 51
Intermorph breeding and the potential for reproductive isolation in polymorphic mole salamanders (Ambystoma talpoideum) Howard H. WhitemanJohn D. KrenzRaymond D. Semlitsch Original Article 01 February 2006 Pages: 52 - 61
Constraints on foraging success due to resource ecology limit colony productivity in social insects Dhruba NaugJohn Wenzel Original Article 11 January 2006 Pages: 62 - 68
The cost of mating with a non-virgin male in a monandrous butterfly: experimental evidence from the speckled wood, Pararge aegeria Kris LauwersHans Van Dyck Original Article 14 January 2006 Pages: 69 - 76
Subhabitat selection by foraging threespine stickleback (Gasterosteus aculeatus): previous experience and social conformity Michael M. WebsterPaul J. B. Hart Original Article 26 January 2006 Pages: 77 - 86
Evidence for seasonal mate limitation in populations of an intertidal amphipod, Corophium volutator (Pallas) Mark R. ForbesDean G. McCurdyJ. Sherman Boates Original Article 01 February 2006 Pages: 87 - 95
Female house martins (Delichon urbica) reduce egg androgen deposition in response to a challenge of their immune system Diego GilAlfonso MarzalAnders P. Møller Original Article 14 March 2006 Pages: 96 - 100
Foraging responses of wild house mice to accumulations of conspecific odor as a predation risk Louise A. PastroPeter B. Banks Original Article 02 February 2006 Pages: 101 - 107
Strategic exploitation in a socially parasitic bee: a benefit in waiting? Jaclyn A. SmithMichael P. Schwarz Original Article 09 March 2006 Pages: 108 - 115
The role of images of conspecifics as visual cues in the development and behavior of larval anurans Irena Rot-NikcevicChristopher N. TaylorRichard J. Wassersug Erratum 21 March 2006 Pages: 116 - 116