- Shettleworth, S. J. (2010) Cognition, Evolution and Behavior (2nd ed) New York: Oxford.
- The limits of intelligence Douglas Fox, Scientific American, 14 June 2011.
- "Animal Cognition" article by Kristin Andrews in the Stanford Encyclopedia of Philosophy
- "Animal Consciousness" article by Colin Allen in the Stanford Encyclopedia of Philosophy
- Animal Cognition Network
- Center for Avian Cognition University of Nebraska (Alan Kamil, Alan Bond)