The article is vague on that. It says that Big Bird's neck was partly see-through (or at least see-through for a camera?), but it makes it sound like any vision would be used by an outside, radio-controlled puppeteer. The guy in the suit may get nothing.
Stolen from here:
http://entertainment.howstuffworks.com/muppet4.htm
ooooooh!
look at his frankenstein shoes!
I wonder if the suit and Big Bird's flat feet help the guy keep his balance in those shoes. You gotta take height where you can get it!
Can he see?
The article is vague on that. It says that Big Bird's neck was partly see-through (or at least see-through for a camera?), but it makes it sound like any vision would be used by an outside, radio-controlled puppeteer. The guy in the suit may get nothing.