where in oregon do you live??? and there is a video you can get for 10 bucks called pacific northwest goose management the phone num to order is 800-845-9448
and the only goose you really need to know what it looks like is the dusky and they are easy the look like thay have and almost black breast compared to the lighter colars of the taveners,lessers,and basin cacklers are the size of mallards and are fairly dark in color too.the dusky is a big bird almost the size of the basin hope this helps