What Happens When Nature Fights Back: 24 Species That Refuse to Go Quietly

20. Mauritius Kestrel

Once considered the world’s rarest bird, the Mauritius kestrel was down to just four individuals in the wild during the 1970s. Through determined recovery programs—including captive breeding and habitat restoration—this colorful raptor now numbers in the hundreds.
The Mauritius kestrel’s comeback is celebrated as a pioneering example of what’s possible in bird conservation. Source