Has anyone been watching this series?
Some very clever corvids in programme II
See The Problem Solvers
Tiger Signature
Or the shorter version
Excellent program. I had the pleasure of meeting some of the scientists involved in the New Caledonian research at a Royal Society do in 2006 - my partner had to drag me away or I'd have spent the whole event chatting to them!
"Let loose the Kraken!"
That is a really good link Stuart. Thank you.