Mar 12, 2024
Dr. Julie Barnes, middle, uses a camera to examine to cervix of a snow leopard named "Callie" at the Chattanooga Zoo on Tuesday, March 12, 2024 in Chattanooga, Tenn. Callie is part of a captive breeding program for the endangered snow leopards and has a swollen area around the cervix which is preventing her from being impregnated. impregnated. (Matt Hamilton/Chattanooga Times Free Press via AP)