I'm preparing a class for the Master Gardener chapter that I'm a member of on making bird-feeders utilizing natural sources, recycled materials and re-purposed items. Of course the best bird-feeder is what nature provides: nuts, seeds and fruit from native trees, shrubs and wildflowers (and native insects)... Here's my hand-out for my "bird" talk I give: Creating a Bird Garden But - this class is all about creating bird-feeders and I've been trying a few DIY feeders I've found over the…