How do horses (Equus caballus) learn from observing human action? Kira BernauerHanna KollrossKonstanze Krueger Original Paper 17 September 2019 Pages: 1 - 9
What smells? Gauging attention to olfaction in canine cognition research Alexandra HorowitzBecca Franks Original Paper 12 October 2019 Pages: 11 - 18
Gestural communication in olive baboons (Papio anubis): repertoire and intentionality Sandra MolestiAdrien MeguerditchianMarie Bourjade Original Paper 12 October 2019 Pages: 19 - 40
Complex visual analysis of ecologically relevant signals in Siamese fighting fish Peter Neri Original Paper 04 October 2019 Pages: 41 - 53
On the transfer of spatial learning between geometrically different shaped environments in the terrestrial toad, Rhinella arenarum María Inés SoteloJosé Andrés AlcaláRubén N. Muzio Original Paper 18 October 2019 Pages: 55 - 70
Delayed gratification in New Caledonian crows and young children: influence of reward type and visibility Rachael MillerAnna FrohnwieserNicola S. Clayton Original Paper Open access 19 October 2019 Pages: 71 - 85
Insensitivity to reward shifts in zebrafish (Danio rerio) and implications for assessing affective states Sern Loong Timothy TanKathrine Ann HandasydeMichael Mendl Original Paper 13 November 2019 Pages: 87 - 100
Does humic acid alter visually and chemically guided foraging in stickleback fish? Robert B. MobleyEmily G. WeigelJanette W. Boughman Original Paper 16 October 2019 Pages: 101 - 108
Serial reversal learning in freshwater stingrays (Potamotrygon motoro) Martha M. M. DanielVera Schluessel Original Paper 19 October 2019 Pages: 109 - 119
Effects of early life and current housing on sensitivity to reward loss in a successive negative contrast test in pigs L. LuoI. ReimertJ. E. Bolhuis Original Paper Open access 13 November 2019 Pages: 121 - 130
Effect of social organisation on interspecific differences in overmarking behaviour of foals in African equids Jan PluháčekVladimíra TučkováSarah R. B. King Original Paper 14 November 2019 Pages: 131 - 140
Gazing as a help requesting behavior: a comparison of dogs participating in animal-assisted interventions and pet dogs C. CavalliF. CarballoM. Bentosela Original Paper 12 November 2019 Pages: 141 - 147
Face-to-face opening phase in Japanese macaques’ social play enhances and sustains participants’ engagement in subsequent play interaction Sakumi IkiToshikazu Hasegawa Original Paper 12 November 2019 Pages: 149 - 158
The underestimated giants: operant conditioning, visual discrimination and long-term memory in giant tortoises Tamar GutnickAnton WeissenbacherMichael J. Kuba Original Paper 13 November 2019 Pages: 159 - 167
Combined predisposed preferences for colour and biological motion make robust development of social attachment through imprinting Momoko MiuraDaisuke NishiToshiya Matsushima Original Paper 11 November 2019 Pages: 169 - 188
The inhibitory control of pheasants (Phasianus colchicus) weakens when previously learned environmental information becomes unpredictable Kandace R. GriffinChristine E. BeardsworthJoah R. Madden Original Paper Open access 16 December 2019 Pages: 189 - 202
Object categorization by wild-ranging birds in nest defence Nela NovákováPetr VeselýRoman Fuchs Original Paper 28 November 2019 Pages: 203 - 213
Response learning confounds assays of inhibitory control on detour tasks Jayden O. van HorikChristine E. BeardsworthJoah R. Madden Original Paper Open access 22 November 2019 Pages: 215 - 225
Picture recognition of food by sloth bears (Melursus ursinus) S. TabellarioM. A. BabitzM. Brown-Palsgrove Short Communication 19 October 2019 Pages: 227 - 231
Spatial learning in Japanese eels (Anguilla japonica) Shigeru WatanabeKazutaka Shinozuka Short Communication Open access 24 October 2019 Pages: 233 - 236