From 15 foxes to recovery: How California islands saved endangered species
On San Miguel and Santa Rosa islands, the island fox population faced a dire threat of extinction due to predation by golden eagles. The successful removal of these eagles, combined with dedicated captive breeding and habitat restoration programs, allowed the foxes to make a remarkable recovery. As a result, these subspecies were ultimately delisted from the endangered species list.
We haven't written up this one. Times of India has the full story — the link below goes straight to it.