Should you build a nest box for your guinea hens?

In general, guineas prefer not to lay in the coop like chickens, but instead, they have their own ideas about what constitutes a good nest site. Something hidden and out-of-the-way (and difficult for you to find!) such as along a fence row or under overgrown shrubbery or in a burn pile. The website www.guineafowlinternational.org has a forum where guinea fowl experts read and post; questions about nesting boxes, helping guineas decide to lay in the coop, and locating their nests out in the field have been discussed recently. You might find some more, helpful information there.