Unlike traditional wildlife reintroductions, where species are physically released into the wild, this case is unique. The beaver’s return to Portugal happened independently, with the animals crossing from Spain on their own. Rewilding Portugal emphasized that this natural movement demonstrates how important healthy habitats and wildlife corridors are in restoring lost biodiversity.

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The physical signs are convincing enough for experts to begin monitoring and preparing for a long-term return. Rewilding Portugal noted that some individuals may now be living and establishing territories in the area.