- Butler Preserve The Nature Conservancy 223 Katonah Avenue, Katonah, NY 10536 (914) 232 9431 Butler is a 358 acre natural area serving as home to an abundance of wildlife. Though upland deciduous forest dominates most of the terrain, the sanctuary also contains a 30 acre red maple swamp, several smaller swamps, remnants of a cattail marsh, fields, and large rock outcroppings. While the Director ...www.fieldtrip.com/ny/42329431.htm