Southwest Audubon update on the Colorado River draw-down crisis and what is being done about it. Introduction to ornithologist and naturalist John Cassin for whom Cassin's Finch and other birds are named. Bird of the week: Bullock's Oriole. Birding hotspot: Mt. Lemmon in the Catalina Mountains southeast of Tucson. Friend of Wildlife organization: Friends of Brown Canyon Ranch near Sierra Vista, AZ. Calendar of bird-friendly events coming up across Arizona.