Real-time weather analysis reveals the adaptability of direct sea-crossing by raptors Noriyuki M. YamaguchiYuzo ArisawaHiroyoshi Higuchi Video Article 09 October 2011 Pages: 1 - 10
Line color affects the collision risk and deterrence of crows Takeshi Honda Article 25 May 2011 Pages: 11 - 14
Pairs during hibernation in a temperate frog: an unusual male mating strategy among anurans Wei ChenLixia ZhangXin Lu Article 07 June 2011 Pages: 15 - 21
Plasticity of grooming behavior against entomopathogenic fungus Metarhizium anisopliae in the ant Lasius japonicus Masaki OkunoKazuki TsujiKenji Fujisaki Article 15 June 2011 Pages: 23 - 27
Post-fledging brood and care division in the roseate tern (Sterna dougallii) Maggie J. WatsonJeffrey A. SpendelowJeremy J. Hatch Article 12 June 2011 Pages: 29 - 34
The insensitivity of thermal preferences to various thermal gradient profiles in newts Vojtěch MarekLumír Gvoždík Article 12 June 2011 Pages: 35 - 41
Promiscuous tendencies in the round-eared sengi: a male’s perspective Melanie SchubertHeiko G. RödelDietrich von Holst Article 24 June 2011 Pages: 43 - 51
Females may not obtain indirect genetic benefits from extra-pair paternity in vinous-throated parrotbills, Paradoxornis webbianus Jin-Won Lee Article 21 July 2011 Pages: 53 - 59
Influence of previous residency and body mass in the territorial contests of the butterfly Hermeuptychia fallax (Lepidoptera: Satyrinae) Paulo Enrique Cardoso PeixotoWoodruff W. Benson Article 28 August 2011 Pages: 61 - 68
Courtship tactics by male Ilyoplax pusilla (Brachyura, Dotillidae) Asami KasataniKeiji WadaJohn H. Christy Article 21 August 2011 Pages: 69 - 74
Do heterospecific size and demeanour influence visitation behaviour of birds at urban foraging patches? Alyssa BorowskeDai K. J. MorganJoseph R. Waas Article 20 August 2011 Pages: 75 - 82
Indirect measures of reproductive effort in a resource-defense polygynous ungulate: territorial defense by male guanacos Andrea Marino Article 06 September 2011 Pages: 83 - 91
Effects of male size and female dispersion on male mate-locating success in Nephila clavipes Leonor Ceballos MerazYann HénautMark A. Elgar Article 08 September 2011 Pages: 93 - 100
The role of innate and environmental influences in shaping antipredator behavior of mainland and insular gartersnakes (Thamnophis sirtalis) John S. Placyk Jr. Article 23 September 2011 Pages: 101 - 108
Behaviour of parents and children in two contrasting urban neighbourhoods: an observational study Daniel Nettle Article 24 September 2011 Pages: 109 - 116
Intracolonial social distance, signaling modality and association choice in the greater sac-winged bat (Saccopteryx bilineata) Andrew Goldklank FulmerMirjam Knörnschild Article 09 October 2011 Pages: 117 - 124
Impact of starvation on the silk attractiveness in a weaving mite, Tetranychus urticae (Acari: Tetranychidae) Guillaume Jean Le Goff Thierry HanceAnne-Catherine Mailleux Article 08 November 2011 Pages: 125 - 132
What exactly is ‘local song’ in a population of ortolan buntings with a common dialect? Tomasz S. OsiejukAgnieszka BieleckaMichał Skierczyński Article Open access 20 October 2011 Pages: 133 - 142
Female mate choice based on territory quality in barn swallows Masaru HasegawaEmi AraiMasahiko Nakamura Article 21 October 2011 Pages: 143 - 150
The effect of claw size and wave rate on female choice in a fiddler crab Sophia CallanderMichael D. JennionsPatricia R. Y. Backwell Article 03 November 2011 Pages: 151 - 155
Tits recognize the potential dangers of predators and harmless birds in feeder experiments Kateřina TvardíkováRoman Fuchs Article 06 November 2011 Pages: 157 - 165
Compensation for predator-induced reduction in nestling feeding rate in the Great Spotted Woodpecker Martin PaclíkJan MisíkKarel Weidinger Article 20 November 2011 Pages: 167 - 172
Ultrasonic courtship vocalizations in wild house mice: spectrographic analyses Frauke HoffmannKerstin MusolfDustin J. Penn Article 16 November 2011 Pages: 173 - 180
Female preference in the context of male–male interactions in Maylandia zebra of Lake Malawi David MellorLisa WiltRebecca Jordan Short Communication 30 June 2011 Pages: 181 - 186
The implications of turning behaviour performed by Amazonian manatees after release into the wild Mumi KikuchiVera M. F. da SilvaNobuyuki Miyazaki Short Communication 09 July 2011 Pages: 187 - 190
Acoustic cues to caller identity in lemurs: a case study Marco GambaCamilla ColomboCristina Giacoma Short Communication 23 July 2011 Pages: 191 - 196
Influence of prey encounter and prey identity on area-restricted searching in the lizard Pedioplanis namaquensis Douglas A. EiflerKarabo BaipidiLuwi Nguluka Short Communication 02 August 2011 Pages: 197 - 200
A trade-off between number and size within the first workers of the ant Camponotus japonicus Eisuke HasegawaSyuichiro Imai Short Communication 04 September 2011 Pages: 201 - 204
Perinatal behavior of a wild Grevy’s zebra (Equus grevyi) mare and foal Blair A. Roberts Short Communication 22 October 2011 Pages: 205 - 209