A week-by-week look at the abundant wildlife and plants in and around Maryland--where and when to find them. When can you find ripe blueberries along the Appalachian Trail in Maryland? Where can you see the air filled with monarch butterflies as they migrate south each autumn? If you want to enjoy nature this weekend, where is the best place to visit? Bryan MacKay can tell you. Written as an almanac, A Year across Maryland...