Optimal pit site selection in antlion larvae: the relationship between prey availability and pit maintenance costs Taka HayashiKina HayashiFumio Hayashi Article Open access 10 November 2022 Pages: 59 - 72
Stone handling in geladas (Theropithecus gelada): implications for spontaneous drawing-like activity as a playful behavior Virginia PallanteAchim JohannElisabetta Palagi Video Article Open access 07 November 2022 Pages: 5 - 13
Agonistic behavior and feeding competition in the largest piranha species, Pygocentrus piraya, in a zoo Ronald G. OldfieldJosie E. ThalJason D. Wark Article 30 October 2022 Pages: 25 - 37
Great tits alter incubation behaviour in noisy environments Riin ViigipuuMarko MägiVallo Tilgar Article 21 October 2022 Pages: 39 - 46
European badger's mating activities associated with moon phase Stanislava PeevaEvgeniy RaichevYayoi Kaneko Article 16 September 2022 Pages: 15 - 24
The origination events of gametic sexual reproduction and anisogamy Yukio YasuiEisuke Hasegawa Article Open access 19 August 2022 Pages: 273 - 284
Monogamy and protandry caused by exclusion of the same sex and random pairing in anemonefishes: a simulation model and aquarium experiments Tomoki SunobeShigehide IwataTetsuo Kuwamura Article 16 August 2022 Pages: 265 - 272
Communication sounds produced by captive narrow-ridged finless porpoises (Neophocaena asiaeorientalis) Tomoyoshi TeradaTadamichi MorisakaMotoi Yoshioka Article 08 August 2022 Pages: 245 - 256
Responses to artificial selection of dispersal activity in the circadian rhythm of the red flour beetle Tribolium castaneum Kentarou MatsumuraMasato S. AbeTakahisa Miyatake Short Communication 01 August 2022 Pages: 285 - 290
Does a roosting flock of migratory birds also echelon in high winds? Anshuman BhardwajLydia Sam Short Communication Open access 23 July 2022 Pages: 291 - 296
Why was he murdered? The first report of the motive for conspecific killing in a flock of captive tree sparrows (Passer montanus) through direct video surveillance Ju-Hyun LeeWan-Hee NamHa-Cheol Sung Video Article 12 July 2022 Pages: 199 - 204
Observations of flipper rubbing in mother–calf pairs of captive bottlenose dolphins (Tursiops truncatus) suggest a body-surface care function Mai SakaiHiroshi KatsumataShiro Kohshima Article 29 June 2022 Pages: 257 - 264
Differences in mating tactics performed by males of two local populations of the Japanese scorpionfly Panorpa japonica Ryo IshiharaTakahisa Miyatake Article 15 June 2022 Pages: 237 - 244
Season does not influence the response of great tits (Parus major) to allopatric mobbing calls Mylène Dutour Article Open access 25 May 2022 Pages: 233 - 236
Association between visual cues and time of day in an ant Marie-Claire CammaertsRoger Cammaerts Article 09 May 2022 Pages: 223 - 232
Locomotion and flow speed preferences in natural habitats by large water striders, Ptilomera tigrina, with micro-morphological adaptations for rowing Woojoo KimThai Hong PhamSang-im Lee Article Open access 13 April 2022 Pages: 211 - 221
Effect of diet quality on food consumption and body mass in Microtus pennsylvanicus Nicholas J. HobbsMichael H. Ferkin Article 11 April 2022 Pages: 205 - 210
Cryptic bachelor sex change in haremic colonial groups of the coral-dwelling damselfish Dascyllus reticulatus Rei SakanoueYoichi Sakai Article 18 March 2022 Pages: 181 - 192
Antibiotics affect migratory restlessness orientation Yuval WerberEviatar NatanYoni Vortman Article 10 March 2022 Pages: 175 - 180
Reproductive behavior of endangered spined loach Cobitis magnostriata in the field Kiyohito MoriiKoh-Ichi Takakura Article 25 February 2022 Pages: 167 - 174
Nocturnal light-specific temporal partitioning facilitates coexistence for a small mesopredator, the eastern spotted skunk Courtney J. MarneweckCameron R. ForehandDavid S. Jachowski Short Communication 16 February 2022 Pages: 193 - 198
Predation strategy of the brown widow spider Latrodectus geometricus Koch, 1841 against prey with different defensive mechanisms Luiza E. A. GonzagaRenato P. SalomãoAndré F. A. Lira Article 27 January 2022 Pages: 159 - 165
Geotropic, hydrokinetic and random walking differ between sympatric tick species: the deer tick Ixodes scapularis and the lone star tick Ambylomma americanum Fernando Otálora-LunaJoseph C. DickensAndrew Y. Li Article 25 January 2022 Pages: 133 - 143
Behavioral patterns that determine the mating rates in a wing dimorphic riffle bug, Microvelia horvathi Lundblad, 1933 (Hemiptera: Heteroptera: Veliidae) Ryosuke MatsushimaTomoyuki Yokoi Article 17 January 2022 Pages: 153 - 158
Lack of discrimination of sex and maturity of conspecifics in the copulation attempts of the male stalk-eyed fly, Sphyracephala detrahens (Diptera: Diopsidae) Ayumi KudoTakeshi FujiiYukio Ishikawa Video Article Open access 13 January 2022 Pages: 123 - 131
Encounter with heavier females changes courtship and fighting efforts of male field crickets Gryllus bimaculatus (Orthoptera: Gryllidae) Takashi Kuriwada Article Open access 04 January 2022 Pages: 145 - 151
2021 Editor's Choice Award and Editor's Choice Articles Kensuke Nakata Announcement 17 December 2021 Pages: 1 - 2
Correction to: Defensive spray by a semiaquatic osmylid larva (Insecta: Neuroptera) for both aquatic and terrestrial predators Tsukuru IwanamiPei YuFumio Hayashi Correction Open access 15 December 2021 Pages: 121 - 121
Correction to: Another usage of autotomized penis Ayami SekizawaYurika TsurumiYasuhiro Nakashima Correction Open access 14 December 2021 Pages: 115 - 115
Correction to: Effects of habitat conditions on the boldness and sociability of wild‑caught fish (Zacco platypus) along a river Zhonghua TangShi‑Jian Fu Correction Open access 11 December 2021 Pages: 119 - 119
Correction to: Whale shark (Rhincodon typus) predatory flexible feeding behaviors on schooling fish Austin N. Montero-QuintanaCarlos F. Ocampo-ValdezMarcela Osorio-Beristain Correction Open access 08 December 2021 Pages: 117 - 117
Correction to: An empirical test of bet-hedging polyandry hypothesis in the field cricket Gryllus bimaculatus Yukio YasuiYuto Yamamoto Correction Open access 08 December 2021 Pages: 113 - 113
Correction to: Wing‑waving behaviors are used for conspecific display in the Japanese scorpionfly, Panorpa japonica Ryo IshiharaTakahisa Miyatake Correction Open access 06 December 2021 Pages: 111 - 111
Flipper rubbing reciprocity and partner choice in common bottlenose dolphins Chisato YamamotoToshiaki Ishibashi Article 30 November 2021 Pages: 49 - 59
Effects of group composition on social foraging in cattle: inclusion of a leader cow in replacement of a follower facilitates expansion of grazing distribution patterns of beef cows Masahiko HirataAi MatsubaraMoeko Uchimura Article 29 November 2021 Pages: 71 - 78
Observation of yawn-like behavior in a dugong (Dugong dugon) Akiko EnokizuTadamichi MorisakaMotoi Yoshioka Short Communication 27 November 2021 Pages: 103 - 108
Factors influencing the duration of death feigning in Eucryptorrhynchus scrobiculatus and E. brandti (Coleoptera: Curculionidae) Huijuan LiJunbao Wen Article 23 November 2021 Pages: 61 - 69
A preliminary study on habitat selection of the Japanese serow (Capricornis crispus) at two temporal scales, season and time of day, in a montane forest Hayato TakadaMasato Minami Short Communication 23 October 2021 Pages: 91 - 95
Carpe diem: winner and loser effects are constrained to same-day competitions in collegiate baseball Omar Tonsi EldakarNatalie BuckwoldAndrew C. Gallup Short Communication 19 October 2021 Pages: 97 - 101
Reddish male swallows have short sperm Masaru HasegawaEmi AraiMasahiko Nakamura Short Communication Open access 15 October 2021 Pages: 85 - 89
Inter-population variation and phenotypic plasticity in kairomone use by a poly-specialist spider-eating predator Ana M. CerveiraRobert R. Jackson Article 11 October 2021 Pages: 37 - 48
Ant nesting site selection mediated by insects frass Kleber Del-ClaroDiego V. AnjosHelena Maura Torezan-Silingardi Article 30 September 2021 Pages: 31 - 36
Correction to: Whale shark (Rhincodon typus) predatory flexible feeding behaviors on schooling fish Austin N. Montero-QuintanaCarlos F. Ocampo-ValdezMarcela Osorio-Beristain Correction 14 September 2021 Pages: 109 - 109
Does food play a prominent role in visual attention to disgusting stimuli? Jana FančovičováPavol ProkopWilliam Medina-Jerez Article 31 August 2021 Pages: 23 - 29
Nest defence by woodpeckers from inside vs. outside the cavity against the intruder Martin PaclíkJan MisíkKarel Weidinger Article 19 August 2021 Pages: 13 - 21
The use of social information about predation risk by foraging house sparrows: a feeder experiment Alfréd TrnkaPeter Samaš Short Communication 14 August 2021 Pages: 79 - 84
Cooperative den maintenance between male Japanese badgers that are delayed dispersers and their mothers Hiroshi TanakaYukihiro FukudaWataru Kojima Video Article Open access 06 August 2021 Pages: 3 - 11
Effects of habitat conditions on the boldness and sociability of wild-caught fish (Zacco platypus) along a river Zhonghua TangShi-Jian Fu Article Open access 29 July 2021 Pages: 379 - 391