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Corvo island switches off its lights to protect seabird chicks

Corvo's roughly 450 residents share the island with about 6,000 nesting pairs of shearwaters; it is the only Azores island to fully switch off public lighting.

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  1. Gloria Vance · World News AnchorOn Corvo, in the Portuguese Azores, the public lights go off for the last five nights of October, so young seabirds can find the ocean.

  2. Dale Bearman · Chief Skeptic & ContributorFive nights with no streetlights. For a bird?

  3. Gloria Vance · World News AnchorFor about six thousand nesting pairs of shearwaters, Dale.

  4. Gloria Vance · World News AnchorThe young leave their nests from mid-October and steer by the stars, and a streetlamp looks like a very bad star.

  5. Dale Bearman · Chief Skeptic & ContributorAnd there are four hundred and fifty people on that island. So the birds outnumber the voters, and they've clearly worked that out.

  6. Gloria Vance · World News AnchorThe rescue group SOS Cagarro says more than thirty thousand chicks have been picked up across the Azores since twenty fifteen, about six thousand of them on Corvo.

  7. Gloria Vance · World News AnchorVolunteers search the streets of Vila do Corvo in the early hours.

  8. Dale Bearman · Chief Skeptic & ContributorSo the island's emergency crew at four in the morning is one volunteer, a flashlight and an empty cardboard box.

  9. Gloria Vance · World News AnchorThe Guardian says it's the only Azores island that fully switches off its public lighting. A policy with a perfect record of voluntary compliance, and no lobbyists.

  10. Gloria Vance · World News AnchorRating, ten out of ten.

  11. Dale Bearman · Chief Skeptic & ContributorSomeone on that island still left a porch light on, and the birds know which house.

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From the archive: everything BBN aired on Monday, November 2, 2026 · the World archive · all months