3 days
Definitely. Also, lots of local birdwatching groups or chapters of the Audubon Society that host pretty frequent outings. Most are free or pretty cheap. Then you have lots of experienced people to ask questions and make friends. Check Facebook or your local photography store flyer posts.

+1. Birds are flipping awesome. When you get into your 40s, looking at birds hits different. I now get up at 330 in the morning on my days off to look at birds.