Science & EnvironmentOregon Zoo releases endangered frogs into the wildBy Alan Zhou (OPB)Aug. 24, 2024 1 p.m. Updated: Aug. 22, 2024 11:42 p.m.Northern leopard frog recovery program reared nearly 100 frogs that now live in Washington’s Columbia National Wildlife Refuge.📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up