WINTER HARBOR — Birding expert and guide, environmentalist, and author Bob Duchesne will speak at Hammond Hall 1 p.m. Wednesday, June 17 on the topic “Why Maine Is Weird”, in a birding sense. The event is sponsored by the Winter Harbor Public Library. Duchesne will detail why Maine is different from every other state, with its geological history, its long coastline, its forests —to name a few— that makes it a great place to birdwatch and explain…