Revealing research on Starling murmurations. How to participate in the eBird gaps campaign by the Arizona Field Ornithologists. Bird of the week: Bald Eagle. Birding hotspot: Las Cienegas Important Bird Area (IBA) near Tucson. Friend of Wildlife Agency: Friends of Bill Williams and Lake Havasu National Wildlife Areas along the lower Colorado River in western Arizona. Calendar of bird friendly events coming up in the days and weeks ahead.