Dogs are able to solve a means-end task

Domestic cats (Felis catus) do not show causal understanding in a string-pulling task

(2009) Emma Whitt et al.   ANIMAL COGNITION

The effect of ostensive cues on dogs’ performance in a manipulative social learning task

(2009) Friederike Range et al.   APPLIED ANIMAL BEHAVIOUR SCIENCE

Testing the social dog hypothesis: Are dogs also more skilled than chimpanzees in non-communicative social tasks?

(2009) Victoria Wobber et al.   BEHAVIOURAL PROCESSES

What did domestication do to dogs? A new account of dogs' sensitivity to human actions

(2009) Monique A. R. Udell et al.   BIOLOGICAL REVIEWS

Kea (Nestor notabilis) consider spatial relationships between objects in the support problem

(2009) A. M. I. Auersperg et al.   Biology Letters

Rooks perceive support relations similar to six-month-old babies

(2009) C. D. Bird et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Ontogeny's impacts on human–dog communication

(2008) Clive D.L. Wynne et al.   ANIMAL BEHAVIOUR

Learning generalization in problem solving by a blue-fronted parrot (Amazona aestiva)

(2008) Olívia de Mendonça-Furtado et al.   ANIMAL COGNITION

Do chimpanzees know what others can and cannot do? Reasoning about ‘capability’

(2008) Jennifer Vonk et al.   ANIMAL COGNITION

Comprehension of human pointing gestures in young human-reared wolves (Canis lupus) and dogs (Canis familiaris)

(2008) Zsófia Virányi et al.   ANIMAL COGNITION

Does training make you smarter? The effects of training on dogs’ performance (Canis familiaris) in a problem solving task

(2008) Sarah Marshall-Pescini et al.   BEHAVIOURAL PROCESSES

Great apes' (Pan troglodytes, Pan paniscus, Gorilla gorilla, Pongo pygmaeus) understanding of tool functional properties after limited experience.

(2008) Esther Herrmann et al.   JOURNAL OF COMPARATIVE PSYCHOLOGY