https://www.ijpr.org/tags/monarch-butterflies Monarch butterflies en-US Copyright JPR Tue, 29 Sep 2026 13:34:56 GMT https://www.ijpr.org/environment-energy-and-transportation/2026-09-29/oregon-monarchs-solar-powered-tracking-tags Conservationists are fitting Western monarch butterflies with tiny solar-powered transmitters. What they learn from these e-tags could help the struggling population. Tue, 29 Sep 2026 13:34:56 GMT https://www.ijpr.org/environment-energy-and-transportation/2026-09-29/oregon-monarchs-solar-powered-tracking-tags Juliet Grable