Quantifying the face inversion effect in nonhuman primates: a phylogenetic meta-analysis Jason W. Griffin Review 23 December 2019 Pages: 237 - 249
Everything is subjective under water surface, too: visual illusions in fish Christian AgrilloMaria SantacàMaria Elena Miletto Petrazzini Review 02 January 2020 Pages: 251 - 264
Problem-solving in a cooperative task in peach-fronted conures (Eupsittula aurea) Sara Torres OrtizAlejandro Corregidor CastroOle Næsbye Larsen Original Paper 23 November 2019 Pages: 265 - 275
“It’s all in their head”: hierarchical exploration of a three-dimensional layered pyramid in rats Zohar HagbiAlexandra DorfmanDavid Eilam Original Paper 26 November 2019 Pages: 277 - 288
Gibbons exploit information about what a competitor can see Alejandro Sánchez-AmaroJingzhi TanFederico Rossano Original Paper 28 November 2019 Pages: 289 - 299
Innovation in a native Australian rodent, the fawn-footed mosaic-tailed rat (Melomys cervinipes) Misha K. RowellTasmin L. Rymer Original Paper 03 December 2019 Pages: 301 - 310
Social influence on the expression of robbing and bartering behaviours in Balinese long-tailed macaques Fany BrotcorneAnna HolznerJean-Baptiste Leca Original Paper 09 December 2019 Pages: 311 - 326
Socially tolerant lions (Panthera leo) solve a novel cooperative problem Natalia Borrego Original Paper 20 December 2019 Pages: 327 - 336
That dog won’t fit: body size awareness in dogs R. LenkeiT. FaragóP. Pongrácz Original Paper Open access 12 December 2019 Pages: 337 - 350
Social context increases ultrasonic vocalizations during restraint in adult mice E. LefebvreS. GranonF. Chauveau Original Paper 10 January 2020 Pages: 351 - 359
Gains v. losses, or context dependence generated by confusion? Alasdair I. HoustonKaroline Wiesner Original Paper Open access 21 January 2020 Pages: 361 - 366
The use of spatial and local cues for orientation in domestic chicks (Gallus gallus) Anastasia Morandi-RaikovaGiorgio VallortigaraUwe Mayer Original Paper 01 January 2020 Pages: 367 - 387
Do dogs rescue their owners from a stressful situation? A behavioral and physiological assessment Fabricio CarballoVictoria DzikMariana Bentosela Original Paper 06 January 2020 Pages: 389 - 403
How cattle discriminate between green and dead forages accessible by head and neck movements by means of senses: reliance on vision varies with the distance to the forages Masahiko HirataNoriko Kusatake Original Paper 08 January 2020 Pages: 405 - 414
Effects of string length on the organization of rat string-pulling behavior Ashley A. BlackwellDouglas G. Wallace Original Paper 07 February 2020 Pages: 415 - 425