Not enough, frankly…we were in birds, big time…could have used a few more. 2 weeks earlier my group of 6 got 17 in the same 1/4 section in about 90 minutes, no snow that time…it’s helpful to have a few guys on different sides of a particular field to keep them from pouring out…sometimes the direction they’re going allows them to stay in the field we’re hunting, depending on wind, where the habitat is, what the adjacent fields have for cover or crops, etc. To me, 10, 15+ is a big group…but it depends on the cover…a big cattail slough full of hundreds and hundreds of birds can absorb 10-15 hunters very easily…