Jon - good question - I am a bit of a rookie myself - I have read mixed things in regards to your question. I am I looking forward to folks on the forum responding. Thanks for putting it out there!
OK, I am a believer that the birds see blaze orange. That said, I can't imagine not wearing it, especially during deer season (private or public) as there are a lot of trespassers and road hunters out there, and ALWAYS on public land.