They are not nervous at all, they will spend most of their evening looking at us walk by their container and when my son goes by to watch them they come up to the side and just stare back.

I'm not 100% sure but I think it is a breeding pair, neither seem to have the distinctive throat coloring a male should have but I have noticed some breeding behavior such as one calling to the other and puffing up his throat and I caught a glimpse of one of top of the other with some definite moves on.