Behavioral Ecology

2002 - 2025

Current editor(s): Louise Barrett

From International Society for Behavioral Ecology
Oxford University Press, Great Clarendon Street, Oxford OX2 6DP, UK.
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Volume 21, issue 6, 2010

Behavioral consistency and the resolution of sexual conflict over parental investment pp. 1125-1130

Nick J. Royle, Wiebke Schuett and Sasha R.X. Dall

Impact of food predictability on social facilitation by foraging scavengers pp. 1131-1139

Chloé Deygout, Agnès Gault, Olivier Duriez, François Sarrazin and Carmen Bessa-Gomes

Influences of environmental cues, migration history, and habitat familiarity on partial migration pp. 1140-1146

Christian Skov, Kim Aarestrup, Henrik Baktoft, Jakob Brodersen, Christer Brönmark, Lars-Anders Hansson, Einar E. Nielsen, Tine Nielsen and P. Anders Nilsson

Threat signaling in female song--evidence from playbacks in a sex-role reversed bird species pp. 1147-1155

Nicole Geberzahn, Wolfgang Goymann and Carel ten Cate

Male quality influences male provisioning in house wrens independent of attractiveness pp. 1156-1164

Megan L. DeMory, Charles F. Thompson and Scott K. Sakaluk

Genetic polyethism in leaf-cutting ants pp. 1165-1169

Sarah J. Waddington, Lorenzo A. Santorelli, Fiona R. Ryan and William O.H. Hughes

Resource geometry and provisioning routines pp. 1170-1178

Ronald C. Ydenberg and W. Eric Davies

The strength of postcopulatory sexual selection within natural populations of field crickets pp. 1179-1185

Leigh W. Simmons and Maxine Beveridge

No direct fitness benefits of helping in a cooperative breeder despite higher survival of helpers pp. 1186-1194

Jessica Meade and Ben J. Hatchwell

Unexploited females and unreliable signals of male quality in a Malawi cichlid bower polymorphism pp. 1195-1202

Christopher H. Martin

Sophistication and simplicity: conventional communication in a rudimentary system pp. 1203-1210

Paweł Ręk and Tomasz S. Osiejuk

Chacma baboon mating markets: competitor suppression mediates the potential for intersexual exchange pp. 1211-1220

P.M.R. Clarke, J.E.B. Halliday, L. Barrett and S.P. Henzi

Pheromonal predisposition to social parasitism in the honeybee Apis mellifera capensis pp. 1221-1226

Huo-Qing Zheng, Vincent Dietemann, Robin M. Crewe, Randall Hepburn, Fu-Liang Hu, Ming-Xian Yang and Christian W.W. Pirk

Disturbance across an ecosystem boundary drives cannibalism propensity in a riparian consumer pp. 1227-1235

Michelle J. Greenwood, Angus R. McIntosh and Jon S. Harding

Collective behavior in road crossing pedestrians: the role of social information pp. 1236-1242

Jolyon J. Faria, Stefan Krause and Jens Krause

Geographic variation in the repeatability of a personality trait pp. 1243-1250

Wouter F.D. van Dongen, Karin Maldonado, Pablo Sabat and Rodrigo A. Vásquez

Experimental evidence for interference competition in oystercatchers, Haematopus ostralegus. I. Captive birds pp. 1251-1260

Anne L. Rutten, Kees Oosterbeek, Jaap van der Meer, Simon Verhulst and Bruno J. Ens

Experimental evidence for interference competition in oystercatchers, Haematopus ostralegus. II. Free-living birds pp. 1261-1270

Anne L. Rutten, Kees Oosterbeek, Simon Verhulst, Niels J. Dingemanse and Bruno J. Ens

Effect of sibling competition and male carotenoid supply on offspring condition and oxidative stress pp. 1271-1277

Sylvain Losdat, Fabrice Helfenstein, Benoît Gaude and Heinz Richner

Prey or predator? Body size of an approaching animal affects decisions to attack or escape pp. 1278-1284

William E. Cooper and Theodore Stankowich

Presence of mammalian predators decreases tolerance to human disturbance in a breeding shorebird pp. 1285-1292

James J.H. St Clair, Gabriel E. García-Peña, Robin W. Woods and Tamás Székely

Sperm phenotypic plasticity in a cichlid: a territorial male's counterstrategy to spawning takeover pp. 1293-1300

Kazutaka Ota, Dik Heg, Michio Hori and Masanori Kohda

No kin discrimination in female mate choice of a parasitoid with complementary sex determination pp. 1301-1307

Daniel Ruf, Dominique Mazzi and Silvia Dorn

Vibratory communication in the jumping spider Phidippus clarus: polyandry, male courtship signals, and mating success pp. 1308-1314

Senthurran Sivalinghem, Michael M. Kasumovic, Andrew C. Mason, Maydianne C.B. Andrade and Damian O. Elias

Multimodal mixed messages: the use of multiple cues allows greater accuracy in social recognition and predator detection decisions in the mosquitofish, Gambusia holbrooki pp. 1315-1320

Ashley J.W. Ward and Thomas Mehner

Novel environment exploration and home range size in starlings Sturnus vulgaris pp. 1321-1329

Jeroen Minderman, Jane M. Reid, Martin Hughes, Matthew J.H. Denny, Suzanne Hogg, Peter G.H. Evans and Mark J. Whittingham

Quantitative genetic variation in courtship song and its covariation with immune function and sperm quality in the field cricket Teleogryllus oceanicus pp. 1330-1336

Leigh W. Simmons, Robin M. Tinghitella and Marlene Zuk

Social influences on dispersal and the fat-tailed dispersal distribution in red-cockaded woodpeckers pp. 1337-1343

Dylan C. Kesler, Jeffrey R. Walters and John J. Kappes

Size-dependent misclassification of masquerading prey pp. 1344-1348

John Skelhorn, Hannah M. Rowland, Michael P. Speed, Leoni De Wert, Lucy Quinn, Jon Delf and Graeme D. Ruxton

Self-organized aerial displays of thousands of starlings: a model pp. 1349-1359

H. Hildenbrandt, C. Carere and C.K. Hemelrijk

Danger may enhance communication: predator calls alert females to male displays pp. 1360-1366

Emma I. Greig and Stephen Pruett-Jones

Spatial positioning in the selfish herd pp. 1367-1373

Lesley J. Morrell, Graeme D. Ruxton and Richard James

Immune activation but not male quality affects female current reproductive investment in a dung beetle pp. 1367-1372

Leeann T. Reaney and Robert J. Knell

Task partitioning in honey bees: the roles of signals and cues in group-level coordination of action pp. 1373-1379

Brian R. Johnson

Volume 21, issue 5, 2010

Mother--offspring conflicts, hormone signaling, and asymmetric ownership of information pp. 893-897

Michael Tobler and Henrik G. Smith

Nonindependent mate choice in monogamy pp. 898-901

Antonios Vakirtzis and S. Craig Roberts

Spatial autocorrelation: an overlooked concept in behavioral ecology pp. 902-905

Mihai Valcu and Bart Kempenaers

Serial monogamy increases reproductive success in men but not in women pp. 906-912

Markus Jokela, Anna Rotkirch, Ian J. Rickard, Jenni Pettay and Virpi Lummaa

The fitness benefit of association with humans: elevated success of birds breeding indoors pp. 913-918

Anders Pape Møller

Behavioral types as predictors of survival in Trinidadian guppies (Poecilia reticulata) pp. 919-926

Brian R. Smith and Daniel T. Blumstein

Spatial distribution and deviations from the IFD when animals forage over large resource patches pp. 927-935

Ezer Miller and Moshe Coll

Alarm calls of tufted titmice convey information about predator size and threat pp. 936-942

Jason R. Courter and Gary Ritchison

Taller men are less sensitive to cues of dominance in other men pp. 943-947

Christopher D. Watkins, Paul J. Fraccaro, Finlay G. Smith, Jovana Vukovic, David R. Feinberg, Lisa M. DeBruine and Benedict C. Jones

Brood exchange experiments and chemical analyses shed light on slave rebellion in ants pp. 948-956

Alexandra Achenbach, Volker Witte and Susanne Foitzik

Applying the coalitionary-traits metric: sociality without cooperation in male yellow-bellied marmots pp. 957-965

Lucretia E. Olson and Daniel T. Blumstein

Adjusting to a toxic invader: native Australian frogs learn not to prey on cane toads pp. 966-971

Matthew J. Greenlees, Benjamin L. Phillips and Richard Shine

Terminal investment and senescence in rhesus macaques (Macaca mulatta) on Cayo Santiago pp. 972-978

Christy L. Hoffman, James P. Higham, Adaris Mas-Rivera, James E. Ayala and Dario Maestripieri

Male density affects large-male advantage in the golden silk spider, Nephila clavipes pp. 979-985

Clare C. Rittschof

Prey naiveté in an introduced prey species: the wild rabbit in Australia pp. 986-991

Isabel C. Barrio, C. Guillermo Bueno, Peter B. Banks and Francisco S. Tortosa

Information use and density-dependent emigration in an agrobiont spider pp. 992-998

Nele De Meester and Dries Bonte

Then versus now: effect of developmental and current environmental conditions on incubation effort in birds pp. 999-1004

Karen A. Spencer, Britt J. Heidinger, Liliana B. D'Alba, Neil P. Evans and Pat Monaghan

Egg production and caste allocation in the clonally reproductive ant Vollenhovia emeryi pp. 1005-1010

Misato Okamoto and Kyohsuke Ohkawara

Communication across territory boundaries: distance-dependent responses in nightingales pp. 1011-1017

Philipp Sprau, Tobias Roth, Rouven Schmidt, Valentin Amrhein and Marc Naguib

Termite queens adjust egg size according to colony development pp. 1018-1023

Kenji Matsuura and Norimasa Kobayashi

Sex-specific behavior by a monomorphic seabird represents risk partitioning pp. 1024-1032

Kyle Hamish Elliott, Anthony J. Gaston and Douglas Crump

Sizing up a mate: variation in production and response to acoustic signals in Anopheles gambiae pp. 1033-1039

Lauren J. Cator, Kija R. Ng'Habi, Ronald R. Hoy and Laura C. Harrington

Attack or call for help? Rapid individual decisions in a group-hunting ant pp. 1040-1047

Volker Witte, Daniel Schliessmann and Rosli Hashim

Dietary carotenoid availability and reproductive effort influence the age-related decline in performance pp. 1048-1053

Thomas W. Pike, Jonathan D. Blount, Neil B. Metcalfe and Jan Lindström

Mobbing as a trade-off between safety and reproduction in a songbird pp. 1054-1060

Arnis Bērziņš, Tatjana Krama, Indrikis Krams, Todd M. Freeberg, Inese Kivleniece, Cecilia Kullberg and Markus J. Rantala

Digit length ratio (2D:4D) and variation in key life-history traits and fitness in contemporary Finnish women pp. 1061-1066

Samuli Helle

Social class influences degree of variance sensitivity in wild Siberian jays pp. 1067-1072

Irja I. Ratikainen, Jonathan Wright and Anahita J.N. Kazem

Large body and small brain and group sizes are associated with predator preferences for mammalian prey pp. 1073-1079

Susanne Shultz and Laura V. Finlayson

Multitasking and eavesdropping in cotton rats foraging under predation risk pp. 1080-1086

Joseph Felts and Kenneth A. Schmidt

A behavioral mechanism underlying ecological divergence in the malaria mosquito Anopheles gambiae pp. 1087-1092

Geoffrey Gimonneau, Jérémy Bouyer, Serge Morand, Nora J. Besansky, Abdoulaye Diabate and Frédéric Simard

What a hawkmoth remembers after hibernation depends on innate preferences and conditioning situation pp. 1093-1097

Almut Kelber

Behavioral plasticity in larval reef fish: orientation is influenced by recent acoustic experiences pp. 1098-1105

Stephen D. Simpson, Mark G. Meekan, Nicholas J. Larsen, Robert D. McCauley and Andrew Jeffs

Determining interaction rules in animal swarms pp. 1106-1111

Anders Eriksson, Martin Nilsson Jacobi, Johan Nyström and Kolbjørn Tunstrøm

The advantage of starving: success in cannibalistic encounters among wolf spiders pp. 1112-1117

Anja Petersen, Kristian T. Nielsen, Christian B. Christensen and Søren Toft

Sex and age influence responses to changes in the cost of cooperative care in a social carnivore pp. 1118-1123

Matthew B.V. Bell

Volume 21, issue 4, 2010

Personal immunity versus social immunity pp. 663-668

S.C. Cotter and R.M. Kilner

The response of fish to novel prey: evidence that dietary conservatism is not restricted to birds pp. 669-675

Robert J. Thomas, Tracey A. King, Hannah E. Forshaw, Nicola M. Marples, Michael P. Speed and Joanne Cable

Egg ejection risk and hatching asynchrony predict egg mass in a communally breeding cuckoo, the Greater Ani (Crotophaga major) pp. 676-683

Christina Riehl

Group size effect in nutmeg mannikin: between-individuals behavioral differences but same plasticity pp. 684-689

Guillaume Rieucau, Julie Morand-Ferron and Luc-Alain Giraldeau

Using visual cues of microhabitat traits to find home: the case study of a bromeliad-living jumping spider (Salticidae) pp. 690-695

Paula M. de Omena and Gustavo Q. Romero

Parasite removal increases reproductive success in a social African ground squirrel pp. 696-700

Melissa A. Hillegass, Jane M. Waterman and James D. Roth

Multimodal courtship efficacy of Schizocosa retrorsa wolf spiders: implications of an additional signal modality pp. 701-707

Aaron S. Rundus, Roger D. Santer and Eileen A. Hebets

Body size and vigilance mediate asymmetric interference competition for food in fish larvae pp. 708-713

Shinnosuke Nakayama and Lee A. Fuiman

Mechanisms of last male precedence in a moth: sperm displacement at ejaculation and storage sites pp. 714-721

Jin Xu and Qiao Wang

Hatching asynchrony is an individual property of female Ural owls which improves nestling survival pp. 722-729

Pekka Kontiainen, Hannu Pietiäinen, Patrik Karell, Tuomo Pihlaja and Jon E. Brommer

Virginity and the clutch size behavior of a parasitoid wasp where mothers mate their sons pp. 730-738

Jun Abe, Tabitha M. Innocent, Sarah E. Reece and Stuart A. West

Color signal information content and the eye of the beholder: a case study in the rhesus macaque pp. 739-746

James P. Higham, Lauren J. N. Brent, Constance Dubuc, Amanda K. Accamando, Antje Engelhardt, Melissa S. Gerald, Michael Heistermann and Martin Stevens

Spatial dynamics and the evolution of social monogamy in mammals pp. 747-752

F. Stephen Dobson, Brittany M. Way and Claude Baudoin

Context-dependent acquisition of territories by male collared lizards: the role of mortality pp. 753-758

Troy A. Baird and Jennifer L. Curtis

Gender differences in survival and antipredatory behavior in stalk-eyed flies pp. 759-766

Amy M. Worthington and John G. Swallow

Women's own voice pitch predicts their preferences for masculinity in men's voices pp. 767-772

Jovana Vukovic, Benedict C. Jones, Lisa DeBruine, David R. Feinberg, Finlay G. Smith, Anthony C. Little, Lisa L. M. Welling and Julie Main

Synchrony does not explain extrapair paternity rate variation in northern or southern house wrens pp. 773-780

Katie LaBarbera, Paulo E. Llambías, Emily R. A. Cramer, Taza D. Schaming and Irby J. Lovette

Cosmetic enhancement of signal coloration: experimental evidence in the house finch pp. 781-787

Isabel López-Rull, Iluminada Pagán and Constantino Macías Garcia

Immune system activation affects song and territorial defense pp. 788-793

Nicole E. Munoz, Daniel T. Blumstein and Johannes Foufopoulos

Do wood ducks use the quantity of eggs in a nest as a cue to the nest's value? pp. 794-801

Nicole S. Odell and John M. Eadie

Hatching order explains an extrapair chick advantage in western bluebirds pp. 802-807

Elise D. Ferree, Janis Dickinson, Wallace Rendell, Caitlin Stern and Stephanie Porter

Sex and social networking: the influence of male presence on social structure of female shark groups pp. 808-818

David M. P. Jacoby, Dheeraj S. Busawon and David W. Sims

Unavoidable limits on group size in a body size-based linear hierarchy pp. 819-825

Tzo Zen Ang and Andrea Manica

The role of particle surface texture on case material selection and silk lining in caddis flies pp. 826-835

Jun-ichi Okano, Eisuke Kikuchi and Osamu Sasaki

Compensation for homing errors by using courtship structures as visual landmarks pp. 836-842

Tae Won Kim, Tae Keun Kim and Jae C. Choe

Within-group relatedness can lead to higher levels of exploitation: a model and empirical test pp. 843-850

Kimberley J. Mathot and Luc-Alain Giraldeau

A tale of 2 signals: signal mimicry between aposematic species enhances predator avoidance learning pp. 851-860

Hannah M. Rowland, Tom Hoogesteger, Graeme D. Ruxton, Michael P. Speed and Johanna Mappes

The predation cost of female resistance pp. 861-867

Claire A. McLean, Adnan Moussalli and Devi Stuart-Fox

High resource valuation fuels "desperado" fighting tactics in female jumping spiders pp. 868-875

Damian O. Elias, Carlos A. Botero, Maydianne C. B. Andrade, Andrew C. Mason and Michael M. Kasumovic

Habitat-dependent acoustic divergence affects playback response in urban and forest populations of the European blackbird pp. 876-883

Erwin A. P. Ripmeester, Maarten Mulder and Hans Slabbekoorn

Inbreeding depression in male traits and preference for outbred males in Poecilia reticulata pp. 884-891

Susanne R. K. Zajitschek and Robert C. Brooks

Volume 21, issue 3, 2010

Behavioral syndromes: carryover effects, false discovery rates, and a priori hypotheses pp. 437-439

Ned A. Dochtermann

Flush early and avoid the rush: a general rule of antipredator behavior? pp. 440-442

Daniel T. Blumstein

Dominance in relation to age, sex, and competitive contexts in a group of free-ranging domestic dogs pp. 443-455

Simona Cafazzo, Paola Valsecchi, Roberto Bonanni and Eugenia Natoli

Feeding decisions of eastern bluebirds are situationally influenced by fledgling plumage color pp. 456-464

Russell A. Ligon and Geoffrey E. Hill

Females increase egg deposition in favor of large males in the rainbowfish, Melanotaenia australis pp. 465-469

Jonathan P. Evans, Tegan M. Box, Penny Brooshooft, Jack R. Tatler and John L. Fitzpatrick

Chemical espionage on species-specific butterfly anti-aphrodisiacs by hitchhiking Trichogramma wasps pp. 470-478

Martinus E. Huigens, Jozef B. Woelke, Foteini G. Pashalidou, T. Bukovinszky, Hans M. Smid and Nina E. Fatouros

On the oxidative cost of begging: antioxidants enhance vocalizations in gull chicks pp. 479-484

José C. Noguera, Judith Morales, Cristobal Pérez and Alberto Velando

A pigheaded compromise: do competition and predation explain variation in warthog group size? pp. 485-492

Angela M. White

Maternal yolk testosterone in canary eggs: toward a better understanding of mechanisms and function pp. 493-500

Wendt Müller, Sofie Boonen, Ton G.G. Groothuis and Marcel Eens

Unpredictability in food supply during early life influences boldness in fish pp. 501-506

Ben B. Chapman, Lesley J. Morrell and Jens Krause

Reaching independence: food supply, parent quality, and offspring phenotypic characters in kestrels pp. 507-512

Pablo Vergara, Juan A. Fargallo and Jesus Martínez-Padilla

Brood overlap and male ornamentation in the double-brooded barn swallow pp. 513-519

Martin U. Grüebler and Beat Naef-Daenzer

Sexual selection in honey bees: colony variation and the importance of size in male mating success pp. 520-525

Margaret J. Couvillon, William O.H. Hughes, Juan A. Perez-Sato, Stephen J. Martin, Gabrielle G.F. Roy and Francis L.W. Ratnieks

Chemical stimuli from parents trigger larval begging in burying beetles pp. 526-531

Per T. Smiseth, Clare Andrews, Erica Brown and Pamela M. Prentice

The responses of prey fish to temporal variation in predation risk: sensory habituation or risk assessment? pp. 532-536

Maud C.O. Ferrari, Chris K. Elvidge, Christopher D. Jackson, Douglas P. Chivers and Grant E. Brown

Mating order and reproductive success in male Columbian ground squirrels (Urocitellus columbianus) pp. 537-547

Shirley Raveh, Dik Heg, F. Stephen Dobson, David W. Coltman, Jamieson C. Gorrell, Adele Balmer and Peter Neuhaus

Sounds of male Lake Victoria cichlids vary within and between species and affect female mate preferences pp. 548-555

Machteld N. Verzijden, Jasper van Heusden, Niels Bouton, Frans Witte, Carel ten Cate and Hans Slabbekoorn

Behavioral consequences of plant invasion: an invasive plant alters rodent antipredator behavior pp. 556-561

Kaitlin J. Mattos and John L. Orrock

Female Lincoln's sparrows modulate their behavior in response to variation in male song quality pp. 562-569

Samuel P. Caro, Kendra B. Sewall, Katrina G. Salvante and Keith W. Sockman

Learning by proportional observation in a species of fish pp. 570-575

Thomas W. Pike, Jeremy R. Kendal, Luke E. Rendell and Kevin N. Laland

The emergence of variance-sensitivity with successful decision rules pp. 576-583

Eva Maria Buchkremer and Klaus Reinhold

Determinants of false alarms in staging flocks of semipalmated sandpipers pp. 584-587

Guy Beauchamp

Life history and behavioral type in the highly social cichlid Neolamprologus pulcher pp. 588-598

Roger Schürch and Dik Heg

Ecological determinants and sensory mechanisms in habitat selection of crustacean postlarvae pp. 599-607

David Lecchini, Suzanne C. Mills, Christophe Brié, Robert Maurin and Bernard Banaigs

Songbird chemosignals: volatile compounds in preen gland secretions vary among individuals, sexes, and populations pp. 608-614

Danielle J. Whittaker, Helena A. Soini, Jonathan W. Atwell, Craig Hollars, Milos V. Novotny and Ellen D. Ketterson

Economics of mate choice at leks: do female waxmoths pay costs for indirect genetic benefits? pp. 615-625

Sylvain Alem and Michael D. Greenfield

Both the past and the present affect risk-sensitive decisions of foraging rufous hummingbirds pp. 626-632

Ida E. Bacon, T. Andrew Hurly and Susan Healy

Kin recognition in the larvae of a solitary insect: the cue is in the plug pp. 633-638

Anne Lizé, Anne Marie Cortesero, Anne-Geneviève Bagnères and Denis Poinsot

Social context of shell acquisition in Coenobita clypeatus hermit crabs pp. 639-646

Randi D. Rotjan, Jeffrey R. Chabot and Sara M. Lewis

Experimentally induced spermatophore production and immune responses reveal a trade-off in crickets pp. 647-654

Angela M. Kerr, Susan N. Gershman and Scott K. Sakaluk

Agamas exhibit behavioral syndromes: bolder males bask and feed more but may suffer higher predation pp. 655-661

Alecia J. Carter, Anne W. Goldizen and Sara A. Tromp

Volume 21, issue 2, 2010

Mate choice for genetic quality: a test of the heterozygosity and compatibility hypotheses in a lek-breeding bird pp. 203-210

T.B. Ryder, W.P. Tori, J.G. Blake, B.A. Loiselle and P.G. Parker

Effects of singing on copulation success and egg production in brown-headed cowbirds, Molothrus ater pp. 211-218

David J. White, Andrew P. King, Meredith J. West, Julie Gros-Louis and Elaina M. Tuttle

Decision making in dispersing Siberian flying squirrels pp. 219-225

Vesa Selonen and Ilpo K. Hanski

Maternal adjustment of parental effort in relation to mate compatibility affects offspring development pp. 226-232

Sarah R. Pryke and Simon C. Griffith

False feeding: the trade-off between chick hunger and caregivers needs in cooperative crows pp. 233-241

Daniela Canestrari, Rubén Vera, Elisa Chiarati, José M. Marcos, Marta Vila and Vittorio Baglione

Does water velocity influence optimal escape behaviors in stream insects? pp. 242-249

Trent M. Hoover and John S. Richardson

Male mate choice and female response in relation to mating status and time since mating pp. 250-256

Douglass H. Morse

Kin-selected siblicide and cannibalism in the European earwig pp. 257-263

Ralph Dobler and Mathias Kölliker

Artificial ornaments manipulate intrinsic male quality in wild-caught zebra finches (Taeniopygia guttata) pp. 264-269

Emma C. Pariser, Mylene M. Mariette and Simon C. Griffith

Trophic dimorphism in alternative male reproductive morphs of the acarid mite Sancassania berlesei pp. 270-274

Piotr Łukasik

Why don't female purple sandpipers perform brood care? A removal experiment pp. 275-283

Elin P. Pierce, Lewis W. Oring, Eivin Røskaft and Jan T. Lifjeld

Evolutionary forces favoring intragroup coalitions among spotted hyenas and other animals pp. 284-303

Jennifer E. Smith, Russell C. Van Horn, Katherine S. Powning, Alison R. Cole, Katharine E. Graham, Sandra K. Memenis and Kay E. Holekamp

Dear enemy phenomenon in the leaf-cutting ant Acromyrmex lobicornis: behavioral and genetic evidence pp. 304-310

Romina D. Dimarco, Alejandro G. Farji-Brener and Andrea C. Premoli

Experimental evidence for a seasonal shift in the strength of a female mating preference pp. 311-316

Richard N.C. Milner, Tanya Detto, Michael D. Jennions and Patricia R.Y. Backwell

Exposure to rivals and plastic responses to sperm competition in Drosophila melanogaster pp. 317-321

Amanda Bretman, Claudia Fricke, Primrose Hetherington, Rachel Stone and Tracey Chapman

Among-population covariation between sperm competition and ejaculate expenditure in frogs pp. 322-328

Martin A. Dziminski, J. Dale Roberts, Maxine Beveridge and Leigh W. Simmons

Size-related habitat shifts facilitated by positive preference induction in a marine kelp crab pp. 329-336

Kristin M. Hultgren and John J. Stachowicz

The structure of foraging activity in colonies of the harvester ant, Pogonomyrmex occidentalis pp. 337-342

Blaine J. Cole, Adrian A. Smith, Zachary J. Huber and Diane C. Wiernasz

Learning behaviorally stable solutions to producer--scrounger games pp. 343-348

Julie Morand-Ferron and Luc-Alain Giraldeau

Desert ants use foraging distance to adapt the nest search to the uncertainty of the path integrator pp. 349-355

Tobias Merkle and Rüdiger Wehner

Age- and sex-specific response to population density and sex ratio pp. 356-364

A.N. Dreiss, J. Cote, M. Richard, P. Federici and J. Clobert

Interspecific variation in fear responses predicts urbanization in birds pp. 365-371

Anders Pape Møller

Social dominance and conflict reduction in rutting male Alpine ibex, Capra ibex pp. 372-380

Christian S. Willisch and Peter Neuhaus

Know thine enemy: why some weaver ants do but others do not pp. 381-386

Philip S. Newey, Simon K.A. Robson and Ross H. Crozier

Dying young and living fast: variation in life history across English neighborhoods pp. 387-395

Daniel Nettle

Assessing "false" alarm calls by a drongo (Dicrurus paradiseus) in mixed-species bird flocks pp. 396-403

S. Harsha K. Satischandra, Prasanna Kodituwakku, Sarath W. Kotagama and Eben Goodale

Examination of prior contest experience and the retention of winner and loser effects pp. 404-409

Michael M. Kasumovic, Damian O. Elias, Senthurran Sivalinghem, Andrew C. Mason and Maydianne C.B. Andrade

Sexual segregation in Eurasian wild sheep pp. 410-418

Navinder J. Singh, Christophe Bonenfant, Nigel G. Yoccoz and Steeve D. Côté

Preference for human male body hair changes across the menstrual cycle and menopause pp. 419-423

Markus J. Rantala, Mari Pölkki and Liisa M. Rantala

Mate choice in the dung beetle Onthophagus sagittarius: are female horns ornaments? pp. 424-430

Nicola L. Watson and Leigh W. Simmons

Collaboration networks and scientific impact among behavioral ecologists pp. 431-435

Thomas W. Pike

Volume 21, issue 1, 2009

Editorial pp. 1-1

Mark A Elgar

Sex matters: a social context to boldness in guppies (Poecilia reticulata) pp. 3-8

Chantima Piyapong, Jens Krause, Ben B. Chapman, Indar W. Ramnarine, Vasilis Louca and Darren P. Croft

Reduced extrapair paternity in response to experimental stimulation of earlier incubation onset in blue tits pp. 9-15

Oscar Vedder, Michael J.L. Magrath, Anna M.F. Harts, Elske Schut, Marco van der Velde and Jan Komdeur

Predator escape tactics in birds: linking ecology and aerodynamics pp. 16-25

Piet J. van den Hout, Kimberley J. Mathot, Leo R.M. Maas and Theunis Piersma

Long tails matter in sugarbirds--positively for extrapair but negatively for within-pair fertilization success pp. 26-32

Mhairi L. McFarlane, Matthew R. Evans, Kevin A. Feldheim, Marina Préault, Rauri C.K. Bowie and Michael I. Cherry

Context-dependent fitness effects of behavioral manipulation by a parasitoid pp. 33-36

Arne Janssen, Amir H. Grosman, Eduardo G. Cordeiro, Elaine F. de Brito, Juliana Oliveira Fonseca, Felipe Colares, Angelo Pallini, Eraldo R. Lima and Maurice W. Sabelis

How and why the winner effect forms: influences of contest environment and species differences pp. 37-45

Matthew J. Fuxjager and Catherine A. Marler

Small folivorous primate groups exhibit behavioral and physiological effects of food scarcity pp. 46-56

Tara R. Harris, Colin A. Chapman and Steven L. Monfort

Boldness and intermittent locomotion in the bluegill sunfish, Lepomis macrochirus pp. 57-62

Alexander D.M. Wilson and Jean-Guy J. Godin

Evolutionary determinants of modular societies in colobines pp. 63-71

Cyril C. Grueter and Carel P. van Schaik

Olfactory recognition of predators by nocturnal lizards: safety outweighs thermal benefits pp. 72-77

Jonathan K. Webb, David A. Pike and Richard Shine

The function of contrasting pelage markings in artiodactyls pp. 78-84

Tim Caro and Theodore Stankowich

No size-dependent reproductive costs in male black scavenger flies (Sepsis cynipsea) pp. 85-90

Yvonne Teuschl, Constanze Reim and Wolf U. Blanckenhorn

Predator lethality, optimal escape behavior, and autotomy pp. 91-96

William E. Cooper and William G. Frederick

Tactical allocation of effort among multiple signals in sage grouse: an experiment with a robotic female pp. 97-106

Gail L. Patricelli and Alan H. Krakauer

Sex allocation strategies in response to conspecifics' offspring sex ratio in solitary parasitoids pp. 107-112

Sébastien Lebreton, Claude Chevrier and Eric Darrouzet

Induction of settlement in crab megalopae by ambient underwater reef sound pp. 113-120

Jenni A. Stanley, Craig A. Radford and Andrew G. Jeffs

Migrant and resident birds adjust antipredator behavior in response to social information accuracy pp. 121-128

Joseph J. Nocera and Laurene M. Ratcliffe

Foraging efficiency and parasite risk in eastern grey kangaroos (Macropus giganteus) pp. 129-137

Sarah W. Garnick, Mark A. Elgar, Ian Beveridge and Graeme Coulson

Social and life-history correlates of hormonal partner compatibility in greylag geese (Anser anser) pp. 138-143

Brigitte M. Weiß, Kurt Kotrschal, Erich Möstl and Katharina Hirschenhauser

Female asynchrony may drive disruptive sexual selection on male mating phenotypes in a Heliconius butterfly pp. 144-152

Luis Mendoza-Cuenca and Rogelio Macías-Ordóñez

Stinging spines protect slug caterpillars (Limacodidae) from multiple generalist predators pp. 153-160

Shannon M. Murphy, Susannah M. Leahy, Laila S. Williams and John T. Lill

Do males offset the cost of female aggression? An experimental test in a biparental songbird pp. 161-168

Kimberly A. Rosvall

Frequency-dependent selection by tree squirrels: adaptive escape of nondormant white oaks pp. 169-175

Zhishu Xiao, Xu Gao, Michael A. Steele and Zhibin Zhang

Prey concealment: visual background complexity and prey contrast distribution pp. 176-181

Marina Dimitrova and Sami Merilaita

Sexual conflict in waterfowl: why do females resist extrapair copulations? pp. 182-192

Margo Adler

Mate choice copying and mate quality bias: are they different processes? pp. 193-194

Klaudia Witte and Jean-Guy J. Godin

Differential allocation and compensation: who deserves the silver spoon? pp. 195-200

Irja Ida Ratikainen and Hanna Kokko