So far, 20 endangered endemic plant species have been planted on the island, including the Round Island Hurricane Palm, of which only one adult tree remains.
The pink pigeon is also making a comeback on Ile aux Aigrettes. In 1994, a pink pigeon aviary was set up on the island. Now, there are over 75 pink pigeons flying free.
While reintroducing individual species is important. Restoring the interactions of different species within ecosystems may be a more important long term goal, said co-author Stephen Harris also of the University of Bristol in a press release.
"Ecological restoration projects generally involve the plant community, as more often the animal components are extinct," said Harris.
"There is, however, increasing evidence that restoration ecologists should be most concerned with the decline of species interactions, rather than species extinctions per se. Species interactions structure ecological communities, and provide essential ecosystem processes and functions such as pollination, seed dispersal and browsing, that are necessary for the self-regulation and persistence of a community," said Harris.