Can angelfish (Pterophyllum scalare) count? Discrimination between different shoal sizes follows Weber’s law Luis M. Gómez-LaplazaRobert Gerlai Original Paper 06 July 2010 Pages: 1 - 9
Decision making at a crossroad: why to go straight ahead, retrace a path, or turn sideways? Miri MillerDavid Eilam Original Paper 13 July 2010 Pages: 11 - 20
Labeling and family resemblance in the discrimination of polymorphous categories by pigeons Elizabeth NichollsCatriona M. E. RyanStephen E. G. Lea Original Paper 23 July 2010 Pages: 21 - 34
Geometric distortions affect face recognition in chimpanzees (Pan troglodytes) and monkeys (Macaca mulatta) Jessica TaubertLisa A. Parr Original Paper 15 July 2010 Pages: 35 - 43
How do keas (Nestor notabilis) solve artificial-fruit problems with multiple locks? Hiromitsu MiyataGyula K. GajdonKazuo Fujita Original Paper 18 July 2010 Pages: 45 - 58
Tracking and capture of constant and varying velocity stimuli: a cross-species comparison of pigeons and humans Anna WilkinsonKimberly Kirkpatrick Original Paper 25 July 2010 Pages: 59 - 71
How to measure patch encounter rate: decision-making mechanisms in the parasitic wasp Asobara tabida Andra Thiel Original Paper 24 July 2010 Pages: 73 - 82
Do birds (pigeons and bantams) know how confident they are of their perceptual decisions? Noriyuki NakamuraSota WatanabeKazuo Fujita Original Paper 28 July 2010 Pages: 83 - 93
Do humans use episodic memory to solve a What-Where-When memory task? Stephen M. HollandTom V. Smulders Original Paper 27 July 2010 Pages: 95 - 102
Free-ranging dogs assess the quantity of opponents in intergroup conflicts Roberto BonanniEugenia NatoliPaola Valsecchi Original Paper 16 September 2010 Pages: 103 - 115
Clark’s nutcrackers (Nucifraga columbiana) use gestures to identify the location of hidden food Jan K. TornickBrett M. GibsonMatthew Wilkinson Original Paper 14 September 2010 Pages: 117 - 125
The impact of phantom decoys on choices in cats Daniele Scarpi Original Paper 14 September 2010 Pages: 127 - 136
Are dogs (Canis familiaris) misled more by their owners than by strangers in a food choice task? S. Marshall-PesciniE. Prato-PrevideP. Valsecchi Short Communication 20 July 2010 Pages: 137 - 142
Big brains are not enough: performance of three parrot species in the trap-tube paradigm Jannis LiedtkeDagmar WerdenichRalf Wanker Short Communication 03 September 2010 Pages: 143 - 149
