These once rare oysters are making a comeback – and could help biodiversity double Posted on March 30, 2023 By Charlielikes The reintroduction of millions of previously extinct oysters to part of the Scottish Highlands is set to transform the area into a bastion of biodiversity, researchers have said. news Tags:‘a, ‘could, ‘help!, and, are, billy wilkins, biodiversity, comeback, double, making, news, once, oysters, rare, these, topnews, trending