Welcome, we are glad to have you.
1. shotgun- 12 ga is most common
2. waders- depending on where you are hunting, these are essential
3. Heavy Camo Jacket- It gets cold out there - camo is very important in duck hunting
4. Calls- get some cheap ones until you learn how to do it right.(get an instructional cd, they help)
5. Ammo- Steel shot only!!!!!!!!!!!!!
those are the bare essentials. you can PM me if you want more info. I'm sure someone else will remember to talk about something i forgot. Have fun, Be careful, and good luck.