Christopher D Bird
Affiliation: University of Cambridge
- Rooks use stones to raise the water level to reach a floating wormChristopher David Bird
Sub Department of Animal Behaviour, Department of Zoology, University of Cambridge, Madingley, Cambridge CB23 8AA, UK
Curr Biol 19:1410-4. 2009..This behavior demonstrates a flexible ability to use tools, a finding with implications for the evolution of tool use and cognition in animals...
- Insightful problem solving and creative tool modification by captive nontool-using rooksChristopher D Bird
Subdepartment of Animal Behaviour, University of Cambridge, Madingley, United Kingdom
Proc Natl Acad Sci U S A 106:10370-5. 2009..Our findings suggest that the ability to represent tools may be a domain-general cognitive capacity rather than an adaptive specialization and questions the relationship between physical intelligence and wild tool use...
- Rooks perceive support relations similar to six-month-old babiesChristopher D Bird
Department of Zoology, Subdepartment of Animal Behaviour, University of Cambridge, Cambridge, UK
Proc Biol Sci 277:147-51. 2010..Here we present evidence that rooks hold such expectations and appear to possess perceptual understanding of support relations similar to that demonstrated by human babies, which is more comprehensive than that of chimpanzees...
- Tool-use and instrumental learning in the Eurasian jay (Garrulus glandarius)Lucy G Cheke
Department of Experimental Psychology, University of Cambridge, Cambridge, UK
Anim Cogn 14:441-55. 2011....