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ecoduct noun

  /ˈikoʊˌdʌkt/ , /ˈiːkəʊdʌkt/
  • (ecology) A type of wildlife crossing in the form of a bridge or tunnel, usually covered with foliage and turf, which animals may use to cross roads without the risk of being hit by vehicles; a wildlife viaduct. [from late 20th c.]
Grünbrücke
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