Crystal, J. D., Foote, A. L. (2009). Metacognition in Animals. Comparative Cognition & Behavior Reviews, 4 , 1-16. Retrieved from http://psyc.queensu.ca/ccbr/index.html doi:10.3819/ccbr.2009.40001

Hampton, R. R. (2009). Multiple demonstrations of metacognition in nonhumans: Converging evidence or multiple mechanisms. Comparative Cognition & Behavior Reviews, 4 , 17-28. Retrieved from http://psyc.queensu.ca/ccbr/index.html doi:10.3819/ccbr.2009.40002

Jozefowiez, J., Staddon, J. E. R., Cerutti, D.T.(2009). Metacognition in animals: how do we know that they know? Comparative Cognition & Behavior Reviews, 4 , 29-39. Retrieved from http://psyc.queensu.ca/ccbr/index.html doi:10.3819/ccbr.2009.40003

Smith, J. D., Beran, M. J., Couchman, J J., Coutinho, V. C., Boomer, J. B. (2009). Animal Metacognition: Problems and Prospects Comparative Cognition & Behavior Reviews, 4 , 40-53. Retrieved from http://psyc.queensu.ca/ccbr/index.html doi:10.3819/ccbr.2009.40004

Crystal, J. D., Foote, A. L. (2009). Metacognition in animals: Trends and challenges. Comparative Cognition & Behavior Reviews, 4 , 54-55. Retrieved from http://psyc.queensu.ca/ccbr/index.html doi:10.3819/ccbr.2009.40005

Hampton, R. R. (2009). Focusing the uncertainty about nonhuman metacogntion. Comparative Cognition & Behavior Reviews, 4 , 56-57. Retrieved from http://psyc.queensu.ca/ccbr/index.html doi:10.3819/ccbr.2009.40006

Jozefowiez, J., Staddon, J. E. R., Cerutti, D. T. (2009). Reinforcement and Metacognition. Comparative Cognition & Behavior Reviews, 4 , 58-60. Retrieved from http://psyc.queensu.ca/ccbr/index.html doi:10.3819/ccbr.2009.40007

Smith, J. D., Beran, M. J., Couchman, J. J., Coutinho, M. V. C., Boomer, J. B. (2009). The Curious Incident of the Capuchins. Comparative Cognition & Behavior Reviews, 4 , 61-64. Retrieved from http://psyc.queensu.ca./ccbr/index.html doi:10.3819/ccbr.2009.40008

Leising, K. J., Blaisdell, A. P. (2009). Associative Basis of Landmark Learning and Integration in Vertebrates Comparative Cognition & Behavior Reviews, 4 , 80-102. Retrieved from http://psyc.queensu.ca/ccbr/index.html doi:10.3819/ccbr.2009.40010

Leising, K. J., Blaisdell, A. P. (2009). Associative Basis of Landmark Learning and Integration in Vertebrates Comparative Cognition & Behavior Reviews, 4 , 80-102. Retrieved from http://psyc.queensu.ca/ccbr/index.html doi:10.3819/ccbr.2009.40010

Shimizu, T. (2009). Why Can Birds Be So Smart? Background, Significance, and Implications of the Revised View of the Avian Brain Comparative Cognition & Behavior Reviews, 4 , 103-115. Retrieved from http://psyc.queensu.ca/ccbr/index.html doi:10.3819/ccbr.2009.40011

Siegel, S., Allan, L. G., Hannah, S. D., Crump, M. J. (2009). Applying Signal Detection Theory to Contingency Assessment Comparative Cognition & Behavior Reviews, 4 , 116-134. Retrieved from http://psyc.queensu.ca/ccbr/index.html doi:10.3819/ccbr.2009.40012