Great apes use landmark cues over spatial relations to find hidden food Alenka HribarJosep Call Original Paper 19 April 2011 Pages: 623 - 635
Chimpanzees (Pan troglodytes) show the isolation effect during serial list recognition memory tests Michael J. Beran Original Paper 13 April 2011 Pages: 637 - 645
Capuchin monkeys are not prosocial in an instrumental helping task A. E. SkerryM. SheskinL. R. Santos Original Paper 20 April 2011 Pages: 647 - 654
City rats: insight from rat spatial behavior into human cognition in urban environments Osnat YaskiJuval PortugaliDavid Eilam Original Paper 20 April 2011 Pages: 655 - 663
Neither by global nor local cues alone: evidence for a unified orientation process Kent D. BodilyCaroline K. EastmanBradley R. Sturz Original Paper 21 April 2011 Pages: 665 - 674
Estimating the repeatability of memories of captured prey formed by Frontinella communis spiders (Araneae: Linyphiidae) Rafael L. RodríguezMatthew D. Gloudeman Original Paper 26 April 2011 Pages: 675 - 682
Local traditions in gorilla manual skill: evidence for observational learning of behavioral organization Richard W. ByrneCatherine HobaiterMichelle Klailova Original Paper 22 April 2011 Pages: 683 - 693
Relative quantity judgments in South American sea lions (Otaria flavescens) José Z. AbramsonVictoria Hernández-LloredaFernando Colmenares Original Paper 28 April 2011 Pages: 695 - 706
Friend or foe? The role of latent inhibition in predator and non-predator labelling by coral reef fishes Matthew D. MitchellMark I. McCormickDouglas P. Chivers Original Paper 26 April 2011 Pages: 707 - 714
I acknowledge your help: capuchin monkeys’ sensitivity to others’ labor Ayaka TakimotoKazuo Fujita Original Paper 26 April 2011 Pages: 715 - 725
Communication between domestic dogs and humans: effects of shelter housing upon the gaze to the human Gabriela BarreraAlba MustacaMariana Bentosela Original Paper 07 May 2011 Pages: 727 - 734
Cache protection strategies of a non-social food-caching corvid, Clark’s nutcracker (Nucifraga columbiana) Dawson ClaryDebbie M. Kelly Original Paper 03 May 2011 Pages: 735 - 744
The gestural repertoire of the wild chimpanzee Catherine HobaiterRichard W. Byrne Original Paper 01 May 2011 Pages: 745 - 767
Male Wistar rats show individual differences in an animal model of conformity Jolle W. JollesLeonie de VisserRuud van den Bos Short Communication Open access 05 April 2011 Pages: 769 - 773