To hatch and hatch not: does heterochrony in onset of vestibular mechanosensing explain species differences in escape-hatching success of Agalychnis embryos in snake attacks? Brandon A. GüellKaren M. Warkentin Original Article 15 December 2023 Article: 141
Maternal parity influences the birth sex ratio and birth interval of captive Francois’ langur (Trachypithecus francoisi) Bojun YiSong WangPenglai Fan Original Article 14 December 2023 Article: 140
Testing presence of directionality information in female spider silk trails through male trail-following behavior Michelle BeyerKardelen Özgün UludagCristina Tuni Original Article Open access 14 December 2023 Article: 139
Sexual selection on a female copulatory device in an insect with nuptial gifts Jessica H. BrowneDarryl T. Gwynne Original Article 12 December 2023 Article: 138
Kinship study reveals stable non-kin-based associations in a medium-sized delphinid Karin L. HartmanIng ChenA. Rus Hoelzel Original Article 12 December 2023 Article: 137
Experimental manipulation of chest spotting alters territorial aggression in urban and rural song sparrows Michelle L. BeckKendra B. SewallҪağlar Akҫay Original Article Open access 12 December 2023 Article: 136
Testing the factors on the evolution of movement-based visual signal complexity in an Asian agamid lizard Yusong LinXia QiuYin Qi Original Article 11 December 2023 Article: 135
Reproductive success of Bornean orangutan males: scattered in time but clustered in space Maria A. van NoordwijkLaura R. LaBargeCarel P. van Schaik Original Article Open access 06 December 2023 Article: 134
Transition in the production of diploid-female to haploid-male eggs in bumblebee colonies: sperm quality or depletion? Baptiste MartinetKimberly PrzybylaSerge Aron Original Article 01 December 2023 Article: 133
The role of partially consumed acorn remains in scatter hoards and their implications in oak colonization Sergio Del ArcoJose María Del Arco Original Article Open access 30 November 2023 Article: 132
Heliconiini butterflies as a case study in evolutionary cognitive ecology: behavioural innovation and mushroom body expansion Fletcher J. YoungStephen H. Montgomery Review Open access 28 November 2023 Article: 131
Behavioral responses of two African mesopredators to human and non-human apex predators Rebecca J. WelchCraig J. TamblingDan M. Parker Original Article 27 November 2023 Article: 130
Avian nuptial plumage coloration changes differently when exposed to urban and rural areas Adrian SurmackiLynn SieffermanAnna Plackowska Original Article Open access 24 November 2023 Article: 129
Ecological drivers of bee cognition: insights from stingless bees João Marcelo Robazzi Bignelli Valente AguiarRafael Carvalho da SilvaMichael Hrncir Review 23 November 2023 Article: 128