Influence of personality, age, sex, and estrous state on chimpanzee problem-solving success Lydia M. HopperSara A. PriceRachel L. Kendal Original Paper 10 December 2013 Pages: 835 - 847
The contribution of private and public information in foraging by Australasian gannets Gabriel E. Machovsky-CapuskaMark E. HauberDavid Raubenheimer Original Paper 14 December 2013 Pages: 849 - 858
Western scrub-jays allocate longer observation time to more valuable information Arii WatanabeUri GrodzinskiNicola S. Clayton Original Paper 10 December 2013 Pages: 859 - 867
Hierarchical stimulus processing by dogs (Canis familiaris) Elisa PitteriPaolo MongilloLieta Marinelli Original Paper 13 December 2013 Pages: 869 - 877
Cross-modal transitivity in a California sea lion (Zalophus californianus) Kristy L. Lindemann-BiolsiColleen Reichmuth Original Paper 12 December 2013 Pages: 879 - 890
Semi-wild chimpanzees open hard-shelled fruits differently across communities Bruce RawlingsMarina Davila-RossSarah T. Boysen Original Paper 12 December 2013 Pages: 891 - 899
Performance on the Hamilton search task, and the influence of lateralization, in captive orange-winged Amazon parrots (Amazona amazonica) Victoria A. CussenJoy A. Mench Original Paper 27 December 2013 Pages: 901 - 909
Effects of training condition on the contribution of specific items to relational processing in baboons (Papio papio) Anaïs MaugardEdward A. WassermanJoël Fagot Original Paper 19 December 2013 Pages: 911 - 924
Use of kind information for object individuation in young domestic chicks Laura FontanariRosa RuganiGiorgio Vallortigara Original Paper 25 December 2013 Pages: 925 - 935
Human–Grey parrot (Psittacus erithacus) reciprocity: a follow-up study Franck PéronLuke ThornbergIrene M. Pepperberg Original Paper 29 January 2014 Pages: 937 - 944
Erratum to: Human–Grey parrot (Psittacus erithacus) reciprocity: a follow-up study Franck PéronLuke ThornburgIrene M. Pepperberg Erratum 25 February 2014 Pages: 945 - 945
The ecology of spatial memory in four lemur species Alexandra G. RosatiKerri RodriguezBrian Hare Original Paper 29 January 2014 Pages: 947 - 961
The role of key features in predator recognition by untrained birds Jana BeránkováPetr VeselýRoman Fuchs Original Paper 24 January 2014 Pages: 963 - 971
Transitive inference by pigeons: Does the geometric presentation of the stimuli make a difference? Carter W. DanielsJennifer R. LaudeThomas R. Zentall Original Paper 31 January 2014 Pages: 973 - 981
Gambling primates: reactions to a modified Iowa Gambling Task in humans, chimpanzees and capuchin monkeys Darby ProctorRebecca A. WilliamsonSarah F. Brosnan Original Paper 07 February 2014 Pages: 983 - 995
Socially learned habituation to human observers in wild chimpanzees Liran SamuniRoger MundryCatherine Hobaiter Original Paper 06 February 2014 Pages: 997 - 1005
Horses (Equus caballus) discriminate body odour cues from conspecifics F. PéronR. WardO. Burman Short Communication 05 December 2013 Pages: 1007 - 1011
Nocturnal homing in the tropical amblypygid Phrynus pseudoparvulus (Class Arachnida, Order Amblypygi) Eileen A. HebetsEben J. GeringDaniel D. Wiegmann Short Communication 17 December 2013 Pages: 1013 - 1018
Suboptimal choice by dogs: when less is better than more Kristina F. PattisonThomas R. Zentall Short Communication 18 March 2014 Pages: 1019 - 1022
