Endangered glossy black cockatoo being lured to South Australian mainland with 20,000 trees

Glossy black cockatoos on Kangaroo Island, South Australia. Conservationists are planting trees on the mainland to lure the parrots back and expand their population. Photograph: Dave Watts/Alamy

Conservationists are planting trees to lure the endangered glossy black cockatoo back to the South Australian mainland, where it has been extinct for decades.

Two potential “scouting” birds have already been spotted.