Chimpanzees create and modify probe tools functionally: A study with zoo-housed chimpanzees

The interplay between individual, social, and environmental influences on chimpanzee food choices

(2014) Emma Finestone et al.   BEHAVIOURAL PROCESSES

Influence of personality, age, sex, and estrous state on chimpanzee problem-solving success

(2013) Lydia M. Hopper et al.   ANIMAL COGNITION

Can orangutans (Pongo abelii) infer tool functionality?

(2013) Nicholas J. Mulcahy et al.   ANIMAL COGNITION

Did tool-use evolve with enhanced physical cognitive abilities?

(2013) I. Teschke et al.   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Basis for Cumulative Cultural Evolution in Chimpanzees: Social Learning of a More Efficient Tool-Use Technique

(2013) Shinya Yamamoto et al.   PLoS One

Flexibility and Persistence of Chimpanzee (Pan Troglodytes) Foraging Behavior in a Captive Environmentxht

(2012) KRISTIN E. BONNIE et al.   AMERICAN JOURNAL OF PRIMATOLOGY

Repeated innovation in great apes

(2012) Héctor Marín Manrique et al.   ANIMAL BEHAVIOUR

Orangutans (Pongo pygmaeus and Pongo abelii) understand connectivity in the skewered grape tool task.

(2012) Nicholas J. Mulcahy et al.   JOURNAL OF COMPARATIVE PSYCHOLOGY

Chimpanzee 'folk physics': bringing failures into focus

(2012) A. Seed et al.   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Can captive orangutans (Pongo pygmaeus abelii) be coaxed into cumulative build-up of techniques?

(2011) Stephan R. Lehner et al.   JOURNAL OF COMPARATIVE PSYCHOLOGY

An experimental, comparative investigation of tool use in chimpanzees and gorillas

(2009) E.V. Lonsdorf et al.   ANIMAL BEHAVIOUR

Great apes’ performance in discriminating weight and achromatic color

(2009) Cornelia Schrauf et al.   ANIMAL COGNITION

Leaf-tool use for drinking water by wild chimpanzees (Pan troglodytes): acquisition patterns and handedness

(2009) Cláudia Sousa et al.   ANIMAL COGNITION

Design complexity in termite-fishing tools of chimpanzees (Pan troglodytes)

(2009) C. Sanz et al.   Biology Letters

The Role of Experience in Problem Solving and Innovative Tool Use in Crows

(2009) Auguste M.P. von Bayern et al.   CURRENT BIOLOGY

Tool use and physical cognition in birds and mammals

(2009) Nathan J Emery et al.   CURRENT OPINION IN NEUROBIOLOGY

Flexible and Persistent Tool-using Strategies in Honey-gathering by Wild Chimpanzees

(2009) Crickette M. Sanz et al.   INTERNATIONAL JOURNAL OF PRIMATOLOGY

Complex tool sets for honey extraction among chimpanzees in Loango National Park, Gabon

(2009) Christophe Boesch et al.   JOURNAL OF HUMAN EVOLUTION

Ratcheting up the ratchet: on the evolution of cumulative culture

(2009) C. Tennie et al.   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

A potent effect of observational learning on chimpanzee tool construction

(2009) E. E. Price et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Cultural differences in army ant predation by West African chimpanzees? A comparative study of microecological variables

(2008) Yasmin Möbius et al.   ANIMAL BEHAVIOUR

Constructive and deconstructive tool modification by chimpanzees (Pan troglodytes)

(2008) Amanda E. Bania et al.   ANIMAL COGNITION

Skill mastery inhibits adoption of observed alternative solutions among chimpanzees (Pan troglodytes)

(2008) Christine Hrubesch et al.   ANIMAL COGNITION