In addition, the project guarantees the survival of a population of repatriated land iguanas Conolophus subcristatus, a species made extinct on this island in the past, partly due to the presence of feral cats.
The program has been very successful and the last landiguana was repatriated to Dragon Hill from the Iguana Center iniguana was repatriated to Dragon Hill from the Iguana Center inIguana Center in 1991.