Reintroduction of captive-bred animals has had mixed success. This California butterfly lost habitat to grazing and drought and is considered to be extinct. The last live one was seen in the wild ...

Innovative advances in DNA sequencing are making it possible to revive extinct bird species like the dodo, great auk, passenger pigeon, and others. Scientists worldwide are engaged in these ...

But it has yet to be paid for reviving extinct animals or saving endangered ones ... With the company recently raising $200 million at a valuation of $10.2 billion, led by TWG Global, CEO Lamm ...