Submissions from 2013
A Study of Sharing and Reciprocity in Grey Parrots (Psittacus erithacus), Franck Péron, Maria John, Stephanie Sapowicz, Dalila Bovet, and Irene M. Pepperberg
Submissions from 2012
Grey Parrot Number Acquisition: the Inference of Cardinal Value from Ordinal Position on the Numeral List, Irene M. Pepperberg and Susan Carey
Submissions from 2011
Cerebral Lateralization Determines Hand Preferences in Australian Parrots, Culum Brown and Maria Magat
The Evolution of Lateralized Foot Use in Parrots: A Phylogenetic Approach, Culum Brown and Maria Magat
Submissions from 2010
Vocal Learning in Grey Parrots: A Brief Review of Perception, Production, and Cross-Species Comparisons, Irene M. Pepperberg
Submissions from 2009
Laterality Enhances Cognition in Australian Parrots, Maria Magat and Culum Brown
Submissions from 2008
Processing of the Müller-Lyer Illusion by a Grey Parrot (Psittacus erithacus), Irene M. Pepperberg, Jennifer Vicinay, and Patrick Cavanagh
Submissions from 2007
Grey Parrots Do Not Always ‘Parrot’: The Roles of Imitation and Phonological Awareness in the Creation of New Labels from Existing Vocalizations, Irene M. Pepperberg
Submissions from 2006
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
Number Comprehension by a Grey Parrot (Psittacus erithacus), Including a Zero-Like Concept, Irene M. Pepperberg and Jesse D. Gordon
Submissions from 2002
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
Submissions from 2000
Possible Levels of Animal Consciousness with Reference to Grey Parrots (Psittacus erithacus), Irene M. Pepperberg and Spencer K. Lynn
Submissions from 1997
Development of Piagetian Object Permanence in a Grey Parrot (Psittacus erithacus), Irene M. Pepperberg, Mark R. Willner, and Lauren B. Gravitz
Submissions from 1996
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
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 1988
Comprehension of "Absence" by an African Grey Parrot: Learning with Respect to Questions of Same/Different, Irene M. Pepperberg
