False.
I went to Monkey World last weekend and it was a weekend off from training, a free weekend.
Monkey World was great, saw some chimps that looked far more intelligent than many of my team mates, also saw some real stupid ones, like really really stupid, these also looked far more intelligent than many of my team mates.
hope that answers your question ?
here's the link
http://www.monkeyworld.org/ check it out
