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Once-Extinct Bandicoot Returns to the Wild in Australia After Genetic Rescue

A world-first gene-mixing program rebuilt genetic diversity to make reintroduction viable.

Overview

  • Conservation teams released about 100 eastern barred bandicoots on Phillip Island in a soft launch to habitat with no foxes or feral cats.
  • Scientists increased the animals’ fitness by mixing long-separated mainland and Tasmanian lineages to restore genetic diversity.
  • Amazon’s Right Now Climate Fund supported the effort with a AU$2.5 million donation that helped fund breeding and translocations.
  • The program aims to establish at least five separate populations with a target of about 500 animals across those sites.
  • Bandicoots act as ecosystem engineers by turning over roughly three tonnes of soil per animal each year, which improves soil health and seed growth.