Getting rid of blinkers: the case of mirror self-recognition in horses (Equus caballus) Chiara ScopaVeronica MaglieriElisabetta Palagi Commentary 15 June 2022 Pages: 711 - 716
Perceptual grouping and detection of trial-unique emergent structures by pigeons Daniel I. BrooksRobert G. CookKazuhiro Goto Original Paper 14 January 2022 Pages: 717 - 729
Flexibility and rigidity in hunting behaviour in rodents: is there room for cognition? Zhanna ReznikovaSofia PanteleevaYuri Litvinov Original Paper 07 January 2022 Pages: 731 - 743
Bold and bright: shy and supple? The effect of habitat type on personality–cognition covariance in the Aegean wall lizard (Podarcis erhardii) Gilles De MeesterPanayiotis PafilisRaoul Van Damme Original Paper 17 January 2022 Pages: 745 - 767
Individuality, species-specific features, and female discrimination of male southern white rhinoceros courtship calls Ivana CinkováAdrian M. Shrader Original Paper 11 January 2022 Pages: 769 - 782
Mirror self-recognition in gorillas (Gorilla gorilla gorilla): a review and evaluation of mark test replications and variants Lindsay E. MurrayJames R. AndersonGordon G. Gallup Jr Original Paper Open access 07 January 2022 Pages: 783 - 792
Digital embryos: a novel technical approach to investigate perceptual categorization in pigeons (Columba livia) using machine learning Roland PuschJulian PackheiserOnur Güntürkün Original Article Open access 06 January 2022 Pages: 793 - 805
Chimpanzees (Pan troglodytes) detect strange body parts: an eye-tracking study Jie GaoIkuma AdachiMasaki Tomonaga Original Paper Open access 28 January 2022 Pages: 807 - 819
Disentangling help-seeking and giving up: differential human-directed gazing by dogs in a modified unsolvable task paradigm Annina HirschiAlja MazziniStefanie Riemer Original Paper Open access 12 January 2022 Pages: 821 - 836
A promising novel judgement bias test to evaluate affective states in dogs (Canis familiaris) Carlotta BuraniAnnalisa PelosiPaola Valsecchi Original Paper 04 January 2022 Pages: 837 - 852
An intentional cohesion call in male chimpanzees of Budongo Forest Alice BouchardKlaus Zuberbühler Original Paper Open access 19 January 2022 Pages: 853 - 866
Variation in inhibitory control does not influence social rank, foraging efficiency, or risk taking, in red junglefowl females Laura Clare GarnhamRobert BoddingtonHanne Løvlie Original Paper Open access 04 February 2022 Pages: 867 - 879
Disturbance cues function as a background risk cue but not as an associative learning cue in tadpoles Ita A. E. Rivera-HernándezAdam L. CraneMaud C. O. Ferrari Original Paper 31 January 2022 Pages: 881 - 889
Where to sleep next? Evidence for spatial memory associated with sleeping sites in Skywalker gibbons (Hoolock tianxing) Hanlan FeiMiguel de GuineaPengfei Fan Original Paper 31 January 2022 Pages: 891 - 903
The acoustic bases of human voice identity processing in dogs Anna GáborNoémi KaszásAttila Andics Original Paper Open access 10 February 2022 Pages: 905 - 916
Zebrafish excel in number discrimination under an operant conditioning paradigm Angelo BisazzaMaria Santacà Original Article Open access 18 February 2022 Pages: 917 - 933
A new protocol for investigating visual two-choice discrimination learning in lizards Birgit SzaboMartin J. Whiting Original Paper Open access 06 February 2022 Pages: 935 - 950
Detecting surface changes in a familiar tune: exploring pitch, tempo and timbre Paola Crespo-BojorqueAlexandre Celma-MirallesJuan M. Toro Original Paper Open access 09 February 2022 Pages: 951 - 960
Testing use of the first multi-partner cognitive enrichment devices by a group of male bottlenose dolphins Eszter MatraiShaw Ting KwokÁkos Pogány Original Paper 11 February 2022 Pages: 961 - 973
Cognitive bias in animal behavior science: a philosophical perspective Behzad NematipourMarko BračićUlrich Krohs Original Paper Open access 04 July 2022 Pages: 975 - 990
Nest sanitation as an effective defence against brood parasitism Michal ŠulcAnna E. HughesVáclav Jelínek Original Paper 01 July 2022 Pages: 991 - 1002
Sexual differences in responses of meadow voles to environmental cues in the presence of mink odor David M. MidlickSarah S. GarrisMichael H. Ferkin Original Article 21 February 2022 Pages: 1003 - 1011
Correction to: If horses had toes: demonstrating mirror self recognition at group level in Equus caballus Paolo BaragliChiara ScopaElisabetta Palagi Correction Open access 30 June 2022 Pages: 1013 - 1014