Pygmy Marmoset

As we were looking at some of National Geographic's top photos from 2006, we came upon this green monkey looking thing. Vincent looked over my shoulder and says, that's a pygmy marmoset. I look down, read the description, and find to my surprise that he's right (I've never heard of a pygmy marmoset to begin with). For the next 30 seconds, I think I have a genius on my hand, a four year old who can read. How has he been hiding his reading from us??
Well, Vincent doesn't read. He saw these minute monkeys on Go Diego Go.
Still, pretty good recognition skills.