Cheyenne Audubon free in-person/virtual program Sept. 21: Pete Arnold, Costa Rica photographic tour. The Cheyenne – High Plains Audubon Society invites the public to a free, in-person program featuring photographer Pete Arnold and his tour of Costa Rica, especially the birds. The program is Sept. 21 at 7 p.m. at the Laramie County Library’s Cottonwood Room. The program will also be accessible via Zoom: https://us02web.zoom.us/j/84971819760. For more information about this and other chapter events, please see https://cheyenneaudubon.com/.