2019 Editor’s Choice Award and Editor’s Choice Articles Kensuke Nakata Announcement 03 January 2020 Pages: 1 - 1
On the discovery of a male morph with a novelty alternative mating tactic in the neotropical cricket Macroanaxipha macilenta Orthoptera: Gryllidae) Anahi Elias-QuevedoRaúl Cueva del Castillo Article 16 August 2019 Pages: 3 - 11
Reaction under the risk of predation: effects of age and sexual plasticity on defensive behavior in scorpion Tityus pusillus (Scorpiones: Buthidae) André F. A. LiraFabrícia M. F. AlmeidaCleide M. R. Albuquerque Article 14 August 2019 Pages: 13 - 19
Operational sex ratio does not influence the evolution of male mate choice in the Indian meal moth Liam R. DoughertyAndrea D. DewhurstZenobia Lewis Article Open access 29 August 2019 Pages: 21 - 28
Agonistic behavior in juvenile blue catfish Ictalurus furcatus Laura Diane MorganMichael L. Fine Article 24 October 2019 Pages: 29 - 40
Chemical cues mediate social monogamy in a marine caridean shrimp, Lysmata debelius Xin LiuDong ZhangZhenzhen Yan Article 24 October 2019 Pages: 41 - 49
Directed chemical spray of the peppermint stick insect (Megacrania batesii) is induced when predation risk is at its highest Braxton R. JonesMatthew W. Bulbert Article 17 October 2019 Pages: 51 - 59
Effect of additional outdoor yard on behaviour of lactating domestic goats (Capra hircus) in different seasons Paolo NegrettiGiovanna BianconiStefano Terramoccia Article 06 November 2019 Pages: 61 - 69
Herding mechanisms to maintain the cohesion of a harem group: two interaction phases during herding Monamie RinghoferClark Kendrick GoShinya Yamamoto Article Open access 11 November 2019 Pages: 71 - 77
Reproductive behaviors and sex roles during a diurnal cycle of the goby, Lythrypnus pulchellus (Teleostei: Gobiidae) Sayuri Muñoz-ArroyoRaúl O. Martínez-RincónEduardo F. Balart Article 02 December 2019 Pages: 79 - 98
Male responses to conspecific and heterospecific songs in two field cricket species Takashi Kuriwada Article 07 December 2019 Pages: 99 - 105
Route reassessment by transporter ants improves speed and directional accuracy of cooperative transport in Formica japonica Shumpei HisamotoNatsumi HosakaHideo Iwasaki Article Open access 17 December 2019 Pages: 107 - 116
Effects of sun exposure and vegetation cover on Woodpecker nest orientation in subtropical forests of South America Alejandro A. Schaaf Short Communication 11 September 2019 Pages: 117 - 120
Eavesdropping on a heterospecific alarm call in the giant root-rat (Tachyorytes macrocephalus), an important prey of the Ethiopian wolf (Canis simensis) Ema HrouzkováEliška BernasováJan Šklíba Short Communication 09 October 2019 Pages: 121 - 124
Correction to: A nudibranch removes rival sperm with a disposable spiny penis Ayami SekizawaShin G. GotoYasuhiro Nakashima Correction Open access 20 December 2019 Pages: 125 - 125
Correction to: Unique numerical competence of Asian elephants on the relative numerosity judgment task Naoko IrieMariko Hiraiwa-HasegawaNobuyuki Kutsukake Correction Open access 20 December 2019 Pages: 127 - 127
Correction to: Alarm call modification by prairie dogs in the presence of juveniles Grete E. Wilson-HenjumJacob R. JobGeorge Wittemyer Correction Open access 20 December 2019 Pages: 129 - 129
Correction to: Kin selection and reproductive value in social mammals Masaru HasegawaNobuyuki Kutsukake Correction Open access 20 December 2019 Pages: 131 - 131
Correction to: Nurture is above nature: nursery experience determines habitat preference of red sea bream Pagrus major juveniles Kohji TakahashiReiji Masuda Correction Open access 20 December 2019 Pages: 133 - 133
Correction to: Context‑dependent aggression toward non‑nestmates in the ant Diacamma sp. from Japan Jumpei UematsuMasayuki HayashiKazuki Tsuji Correction Open access 20 December 2019 Pages: 135 - 135
