British birder and humorist Richard Crossley shares tales and photos of birding trips around the world, and discusses the philosophy behind the evolving future of birding and his The Crossley ID Guide, at 6:30 p.m., Saturday, Aug. 18; $55 includes dinner, water bottle and initial registration fee for any other individually priced events. Visit tucsonaudubon.org/festhome.html for more information and to register.