Submissions from 2007
How Animals Communicate Quality of Life: The Qualitative Assessment of Behaviour, F. Wemelsfelder
Submissions from 2006
Exploration and Habituation in Intact Free Moving Octopus vulgaris, Jennifer Mather
Grey Parrot (Psittacus erithacus) Numerical Abilities: Addition and Further Experiments on a Zero-Like Concept, Irene M. Pepperberg
Ordinality and Inferential Abilities of a Grey Parrot (Psittacus erithacus), Irene M. Pepperberg
Submissions from 2005
Chimpanzee Theory of Mind: Looking in All the Wrong Places?, Kristin Andrews
Effects of Predation Pressure on the Cognitive Ability of the Poeciliid Brachyraphis episcopi, Culum Brown and Victoria A. Braithwaite
In Situ Examination of Boldness–Shyness Traits in the Tropical Poeciliid, Brachyraphis episcopi, Culum Brown, Felicity Jones, and Victoria Braithwaite
Number Comprehension by a Grey Parrot (Psittacus erithacus), Including a Zero-Like Concept, Irene M. Pepperberg and Jesse D. Gordon
Submissions from 2004
Reflections on Animal Selves, Marc Bekoff and Paul W. Sherman
Size Matters: A Test of Boldness in Eight Populations of the Poeciliid Brachyraphis episcopi, Culum Brown and Victoria Braithwaite
Submissions from 2003
Considering Animals—Not “Higher” Primates, Marc Bekoff
Minding Animals, Minding Earth: Science, Nature, Kinship, and Heart, Marc Bekoff
Habitat-Predator Association and Avoidance in Rainbowfish (Melanotaenia spp.), Culum Brown
Nest Building in Captive Gorilla gorilla gorilla, Kristen E. Lukas, Tara S. Stoinski, Kyle Burks, Rebecca Snyder, Sarah Bexell, and Terry L. Maple
Submissions from 2002
Do Female Rainbowfish (Melanotaenia spp.) Prefer to Shoal with Familiar Individuals under Predation Pressure?, Culum Brown
Social Learning of a Novel Avoidance Task in the Guppy: Conformity and Social Release, Culum Brown and Kevin N. Laland
Chimpanzees (Pan troglodytes) Recognize Spatial and Object Correspondences Between a Scale Model and its Referent, Valerie A. Kuhlmeier and Sarah T. Boysen
Convergence of Complex Cognitive Abilities in Cetaceans and Primates, Lori Marino
Cognitive and Communicative Abilities of Grey Parrots, Irene M. Pepperberg
In Search of King Solomon’s Ring: Cognitive and Communicative Studies of Grey Parrots (Psittacus erithacus), Irene M. Pepperberg
Vigilance and Predation Risk in Gunnison’s Prairie Dogs (Cynomys gunnisoni), J. L. Verdolin and C. N. Slobodchikoff
Submissions from 2001
Size Matters: Impact of Item Size and Quantity on Array Choice by Chimpanzees (Pan troglodytes), Sarah T. Boysen, Gary G. Berntson, and Kimberly L. Mukobi
Interactions Between Shoal Size and Conformity in Guppy Social Foraging, Rachel L. Day, Tom MacDonald, Culum Brown, Kevin N. Laland, and Simon M. Reader
The Effect of Response Contingencies on Scale Model Task Performance by Chimpanzees (Pan troglodytes), Valerie A. Kuhlmeier and Sarah T. Boysen
Animal Suffering: An Invertebrate Perspective, Jennifer A. Mather
Mirror Self-Recognition in the Bottlenose Dolphin: A Case of Cognitive Convergence, Diana Reiss and Lori Marino
Familiarity Facilitates Social Learning of Foraging Behaviour in the Guppy, Will Swaney, Jeremy Kendal, Hannah Capon, Culum Brown, and Kevin N. Laland
Assessing the ‘Whole Animal’: A Free Choice Profiling Approach, Françoise Wemelsfelder, Tony E.A. Hunter, Michael T. Mendl, and Alistair B. Lawrence
Qualitative Assessment of Animal Behaviour as an On-Farm Welfare-Monitoring Tool, Françoise Wemelsfelder and Alistair B. Lawrence
Submissions from 2000
Animal Emotions: Exploring Passionate Natures, Marc Bekoff
Primate Numerical Competence: Contributions Toward Understanding Nonhuman Cognition, Sarah T. Boysen and Karen I. Hallberg
Primate Numerical Competence: Contributions Toward Understanding Nonhuman Cognition, Sarah T. Boysen and Karen I. Hallberg
Spontaneous Discrimination of Natural Stimuli by Chimpanzees (Pan troglodytes), David A. Brown and Sarah T. Boysen
Bubble Ring Play of Bottlenose Dolphins (Tursiops truncatus): Implications for Cognition, Brenda McCowan, Lori Marino, Erik Vance, Leah Walke, and Diana Reiss
Possible Levels of Animal Consciousness with Reference to Grey Parrots (Psittacus erithacus), Irene M. Pepperberg and Spencer K. Lynn
Agonistic Behaviour and Biogenic Amines in Shore Crabs Carcinus Maenas, Lynne U. Sneddon, Alan C. Taylor, Felicity A. Huntingford, and David G. Watson
Diversity of Behaviour During Novel Object Tests is Reduced in Pigs Housed in Substrate-Impoverished Conditions, Françoise Wemelsfelder, Marie Haskell, Michael T. Mendl, Sheena Calvert, and Alistair B. Lawrence
Submissions from 1999
Overcoming Response Bias Using Symbolic Representations of Number by Chimpanzees (Pan troglodytes), Sarah T. Boysen, Kimberly L. Mukobi, and Gary G. Berntson
Scale-Model Comprehension by Chimpanzees (Pan troglodytes), Valerie A. Kuhlmeier, Sarah T. Boysen, and Kimberly L. Mukobi
A Preliminary Investigation of the Construct of Psychopathic Personality (Psychopathy) in Chimpanzees (Pan troglodytes), Scott O. Lilienfeld, Jonathan Gershon, Marshall Duke, Lori Marino, and Frans B. M. de Waal
Submissions from 1997
Experience in Substrate-Enriched and Substrate-Impoverished Environments Affects Behaviour of Pigs in a T-Maze Task, Michael Mendl, Hans W. Erhard, Marie Haskell, Françoise Wemelsfelder, and Alistair B. Lawrence
Development of Piagetian Object Permanence in a Grey Parrot (Psittacus erithacus), Irene M. Pepperberg, Mark R. Willner, and Lauren B. Gravitz
Language-Naive Chimpanzees (Pan troglodytes) Judge Relations Between Relations in a Conceptual Matching-to-Sample Task, Roger K.R. Thompson, David L. Oden, and Sarah T. Boysen
Submissions from 1996
Quantity-Based Interference and Symbolic Representations in Chimpanzees (Pan troglodytes), S. T. Boysen, G. G. Berntson, M. B. Hannan, and J. T. Cacioppo
The Effect of Substrate-Enriched and Substrate-Impoverished Housing Environments on the Diversity of Behaviour in Pigs, Marie Haskell, Françoise Wemelsfelder, Michael T. Mendl, Sheena Calvert, and Alistair B. Lawrence
Mechanisms of American English Vowel Production in a Grey Parrot (Psittacus erithacus), Denice K. Warren, Dianne K. Patterson, and Irene M. Pepperberg
Submissions from 1995
Responses to Quantity: Perceptual Versus Cognitive Mechanisms in Chimpanzees (Pan Troglodytes), Sarah T. Boysen and Gary G. Berntson
Indicating Acts During Counting by a Chimpanzee (Pan troglodytes), Sarah T. Boysen, Gary G. Berntson, Traci A. Shreyer, and Michelle B. Hannan
Comprehension of Cause-Effect Relations in a Tool-Using Task by Chimpanzees (Pan troglodytes), Luca Limongelli, Sarah T. Boysen, and Elisabetta Visalberghi
Mirror Use by African Grey Parrots (Psittacus erithacus), Irene M. Pepperberg, Sean E. Garcia, Eric C. Jackson, and Sharon Marconi
Submissions from 1994
Numerical Competence in an African Gray Parrot (Psittacus erithacus), Irene M. Pepperberg
Vocal Learning in Grey Parrots (Psittacus erithacus): Effects of Social Interaction, Reference, and Context, Irene M. Pepperberg
Submissions from 1993
Vocal Perception: Brain Event-Related Potentials in a Chimpanzee, Gary G. Berntson, Sarah T. Boysen, and Michael W. Torello
Submissions from 1992
Vocal Recognition in Mexican Free-Tailed Bats: Do Pups Recognize Mothers?, Jonathan Balcombe and Gary F. McCracken
Comprehension of Role Reversal in Chimpanzees: Evidence of Empathy?, Daniel J. Povinelli, Kurt E. Nelson, and Sarah T. Boysen
Submissions from 1991
Kin Recognition in Vertebrates: What Do We Really Know About Adaptive Value?, Andrew R. Blaustein, Marc Bekoff, John A. Byers, and Thomas J. Daniels
Submissions from 1990
Vocal Recognition of Pups by Mother Mexican Free-Tailed Bats, Tadarida brasiliensis mexicana, Jonathan P. Balcombe
Inferences About Guessing and Knowing by Chimpanzees (Pan troglodytes), Daniel J. Povinelli, Kurt E. Nelson, and Sarah T. Boysen
Understanding Dogs through Kinesthetic Empathy, Social Construction, and History, Kenneth J. Shapiro
Submissions from 1989
Specificity of the Cardiac Response to Conspecific Vocalizations in Chimpanzees, Gary G. Berntson and Sarah T. Boysen
Conspecific Recognition in the Chimpanzee (Pan troglodytes): Cardiac Responses to Significant Others, Sarah T. Boysen and Gary G. Berntson
Numerical Competence in a Chimpanzee (Pan troglodytes), Sarah T. Boysen and Gary G. Berntson
Submissions from 1988
Eavesdropping by Bats: The Influence of Echolocation Call Design and Foraging Strategy, Jonathan Balcombe and M. Brock Fenton
Comprehension of "Absence" by an African Grey Parrot: Learning with Respect to Questions of Same/Different, Irene M. Pepperberg
Submissions from 1986
Cardiac Correlates of Individual Recognition in the Chimpanzee (Pan troglodytes), Sarah T. Boysen and Gary G. Berntson
Submissions from 1985
Visual Evoked Potentials in the Great Apes, Sarah T. Boysen and Gary G. Berntson
Submissions from 1984
The Question of Animal Awareness, Francoise Wemelsfelder
Animal Boredom: Is a Scientific Study of the Subjective Experiences of Animals Possible?, Françoise Wemelsfelder
Submissions from 1981
Social and Cognitive Capabilities of Nonhuman Primates: Lessons from the Wild to Captivity, William C. McGrew
Abnormal Behavior as an Indication of Immaterial Suffering, Hans Hinrich Sambraus
Submissions from 1975
The Communication of Play Intention: Are Play Signals Functional?, Marc Bekoff