Behavioral Ecology

Kinship and sociality in coastal river otters: are they related?
pp. 705-714(10)
Authors: Gail M. Blundell; Merav Ben-David; Pamela Groves; R. Terry Bowyer; Eli Geffen

Male brood care without paternity increases mating success
pp. 715-721(7)
Authors: Roger Härdling; Arja Kaitala

Juvenile infection and male display: testing the bright male hypothesis across individual life histories
pp. 722-728(7)
Authors: Gerald Borgia; Marc Egeth; J. Albert Uy; Gail L. Patricelli

Effects of food value, predation risk, and pilferage on the caching decisions of Dipodomys merriami
pp. 729-734(6)
Author: Lisa A. Leaver

Male morphological variation and the determinants of body size in two Otiteselline fig wasps
pp. 735-741(7)
Authors: J. C. Moore; J. Pienaar; J. M. Greeff

Resource partitioning between sexes in the “unconventional” hermit crab, Calcinus tubularis
pp. 742-747(6)
Author: Francesca Gherardi

Mating games: the evolution of human mating transactions
pp. 748-756(9)
Authors: Sarah E. Hill; H. Kern Reeve

Patterns of extrapair mating in relation to male dominance status and female nest placement in black-capped chickadees
pp. 757-765(9)
Authors: Daniel J. Mennill; Scott M. Ramsay; Peter T. Boag; Laurene M. Ratcliffe

Polygynandry in a red fox population: implications for the evolution of group living in canids?
pp. 766-778(13)
Authors: Philip J. Baker; Stephan M. Funk; Michael W. Bruford; Stephen Harris

Condition-dependent sexual traits and social dominance in the house finch
pp. 779-784(6)
Authors: Renée A. Duckworth; Mary T. Mendonça; Geoffrey E. Hill

Pattern of sperm transfer in redback spiders: implications for sperm competition and male sacrifice
pp. 785-792(8)
Authors: Lindsay S. E. Snow; Maydianne C. B. Andrade

No direct or indirect benefits to cryptic female choice in house crickets (Acheta domesticus)
pp. 793-798(6)
Authors: Rebecca R. Fleischman; Scott K. Sakaluk

Neighbor-stranger discrimination by song in a suboscine bird, the alder flycatcher, Empidonax alnorum
pp. 799-804(6)
Authors: Scott F. Lovell; M. Ross Lein

Ultraviolet reflectance affects male-male interactions in the blue tit (Parus caeruleus ultramarinus)
pp. 805-809(5)
Authors: Carlos Alonso-Alvarez; Claire Doutrelant; Gabriele Sorci

Assessment of local predation risk: the role of subthreshold concentrations of chemical alarm cues
pp. 810-815(6)
Authors: Grant E. Brown; Jean-Francois Poirier; James C. Adrian

Nest-site preference and maternal effects on offspring growth
pp. 816-823(8)
Authors: John D. Lloyd; Thomas E. Martin

Patterns of energy acquisition by a central place forager: benefits of alternating short and long foraging trips
pp. 824-830(7)
Authors: Yan Ropert-Coudert; Rory P. Wilson; Francis Daunt; Akiko Kato

Extended parental care and delayed dispersal: northern, tropical, and southern passerines compared
pp. 831-838(8)
Authors: Eleanor M. Russell; Yoram Yom-Tov; Eli Geffen

Egg marking pheromones of anarchistic worker honeybees (Apis mellifera)
pp. 839-844(6)
Authors: Stephen J. Martin; Nicolas Chaˆline; Benjamin P. Oldroyd; Graeme R. Jones; Francis L. W. Ratnieks

Hemolymph loss during nuptial feeding constrains male mating success in sagebrush crickets
pp. 845-849(5)
Authors: Scott K. Sakaluk; Mark T. H. Campbell; Andrew P. Clark; J. Chadwick Johnson; Peter A. Keorpes

Birth sex ratio and social rank: consistency and variability within and between primate groups
pp. 850-856(7)
Author: Gabriele Schino

Male sperm expenditure under sperm competition risk and intensity in quacking frogs
pp. 857-863(7)
Author: Phillip G. Byrne

Are human preferences for facial symmetry focused on signals of developmental instability?
pp. 864-871(8)
Authors: Leigh W. Simmons; Gillian Rhodes; Marianne Peters; Nicole Koehler

Intrasexual selection and group spawning in quacking frogs (Crinia georgiana)
pp. 872-882(11)
Authors: Phillip G. Byrne; J. Dale Roberts

The effect of age on encounters between male crab spiders
pp. 883-888(6)
Authors: Helen H. Hu; Douglass H. Morse

European barn swallows use melanin pigments to color their feathers brown
pp. 889-891(3)
Authors: Kevin J. McGraw; Rebecca J. Safran; Matthew R. Evans; Kazumasa Wakamatsu