An intentional vocalization draws others’ attention: A playback experiment with wild chimpanzees Catherine CrockfordRoman M. WittigKlaus Zuberbühler Original Paper 24 December 2014 Pages: 581 - 591
Intraspecific variability in associative learning in the parasitic wasp Nasonia vitripennis Mareike KoppikThomas S. HoffmeisterAndra Thiel Original Paper 19 December 2014 Pages: 593 - 604
The use of proportion by young domestic chicks (Gallus gallus) Rosa RuganiGiorgio VallortigaraLucia Regolin Original Paper 25 December 2014 Pages: 605 - 616
Wild vervet monkeys copy alternative methods for opening an artificial fruit Erica van de WaalNicolas ClaidièreAndrew Whiten Original Paper 25 December 2014 Pages: 617 - 627
Local enhancement and social foraging in a non-social insular lizard Ana Pérez-CembranosValentín Pérez-Mellado Original Paper 21 December 2014 Pages: 629 - 637
Social referencing and cat–human communication I. MerolaM. LazzaroniE. Prato-Previde Original Paper 09 January 2015 Pages: 639 - 648
No evidence for memory interference across sessions in food hoarding marsh tits Poecile palustris under laboratory conditions A. Utku UrhanAnders Brodin Original Paper 09 January 2015 Pages: 649 - 656
Social visual contact, a primary “drive” for social animals? Audrey PerretLaurence HenryIsabelle George Original Paper 21 January 2015 Pages: 657 - 666
Information seeking in capuchins (Cebus apella): A rudimentary form of metacognition? Alexander Q. ViningHeidi L. Marsh Original Paper 15 January 2015 Pages: 667 - 681
Chimpanzees (Pan troglodytes) and human children (Homo sapiens) know when they are ignorant about the location of food Karri NeldnerEmma Collier-BakerMark Nielsen Original Paper 14 January 2015 Pages: 683 - 699
High emotional reactivity toward an experimenter affects participation, but not performance, in cognitive tests with common marmosets (Callithrix jacchus) Michèle N. SchubigerFlorian L. WüstholzJudith M. Burkart Original Paper 31 January 2015 Pages: 701 - 712
Giant pandas failed to show mirror self-recognition Xiaozan MaYuan JinDingzhen Liu Original Paper 22 January 2015 Pages: 713 - 721
An automated controlled-rearing method for studying the origins of movement recognition in newly hatched chicks Jason G. GoldmanJustin N. Wood Original Paper 11 February 2015 Pages: 723 - 731
Non-adjacent visual dependency learning in chimpanzees Ruth SonnweberAndrea RavignaniW. Tecumseh Fitch Original Paper Open access 21 January 2015 Pages: 733 - 745
Tufted capuchins (Cebus apella) adapt their communicative behaviour to human’s attentional states Charlotte DefolieRaphaëlle MalassisHélène Meunier Original Paper 29 January 2015 Pages: 747 - 755
Domestic pigs’ (Sus scrofa domestica) use of direct and indirect visual and auditory cues in an object choice task Christian NawrothEberhard von Borell Original Paper 04 February 2015 Pages: 757 - 766
Oxytocin enhances the appropriate use of human social cues by the domestic dog (Canis familiaris) in an object choice task J. L. OlivaJ.-L. RaultA. Lill Original Paper 03 February 2015 Pages: 767 - 775
Innovation and behavioral flexibility in wild redfronted lemurs (Eulemur rufifrons) Franziska HuebnerClaudia Fichtel Original Paper Open access 12 February 2015 Pages: 777 - 787
Cognitive domains in the dog: independence of working memory from object learning, selective attention, and motor learning Brian M. ZanghiJoseph AraujoNorton W. Milgram Original Paper 13 February 2015 Pages: 789 - 800
Meaning in animal and human communication Thomas C. Scott-Phillips Short Communication 03 February 2015 Pages: 801 - 805
