Frog taxi. A group of volunteers in Portland Oregon formed the “Harborton Frog Shuttle” to help Northern red-legged frogs cross dangerous US highway 30. The frogs migrate across the highway to spawn and lay eggs in the Harborton wetland habitat during the winter.
https://www.opb.org/article/2024/11/23/portland-northern-red-legged-frog-taxi-species-migration/

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