| Author |
Title |
Year |
Publication |
Serial |
Volume |
Pages |
| Seyfarth, R.M.; Cheney, D.L. |
What are big brains for? |
2002 |
Proceedings of the National Academy of Sciences of the United States of America |
692 |
99 |
4141-4142 |
| Van Schaik, C. |
Why are some animals so smart? |
2006 |
Scientific American |
2830 |
294 |
64-71 |
| Morell, V. |
Nicola Clayton profile. Nicky and the jays |
2007 |
Science (New York, N.Y.) |
2833 |
315 |
1074-1075 |
| Pennisi, E. |
Animal cognition. Man's best friend(s) reveal the possible roots of social intelligence |
2006 |
Science (New York, N.Y.) |
2835 |
312 |
1737 |
| Pennisi, E. |
Animal cognition. Social animals prove their smarts |
2006 |
Science (New York, N.Y.) |
2836 |
312 |
1734-1738 |
| Pennisi, E. |
Are out primate cousins 'conscious'? |
1999 |
Science (New York, N.Y.) |
2843 |
284 |
2073-2076 |
| Heinrich, B.; Bugnyar, T. |
Just how smart are ravens? |
2007 |
Scientific American |
4101 |
296 |
64-71 |
| Straub, A. |
An intelligent crow beats a lab |
2007 |
Science (New York, N.Y.) |
4102 |
316 |
688 |
| Previc, F.H. |
Thyroid hormone production in chimpanzees and humans: implications for the origins of human intelligence |
2002 |
American Journal of Physical Anthropology |
4108 |
118 |
402-3; discussion 404-5 |
| Cowley, J.J.; Griesel, R.D. |
The effect on growth and behaviour of rehabilitating first and second generation low protein rats |
1966 |
Animal Behaviour. |
4119 |
14 |
506-517 |
