In an undated image provided by Revive & Restore, Ben Novak, the lead scientist of the biotechnology nonprofit Revive & Restore, with Elizabeth Ann, the first cloned black-footed ferret, at age three weeks. Her birth represents the first cloning of an endangered species native to North America, and may bring needed genetic diversity to the species. (Revive & Restore via The New York Times) — NO SALES; FOR EDITORIAL USE ONLY WITH NYT STORY FERRET CLONES BY SABRINA IMBLER FOR FEB. 18, 2021. ALL OTHER USE PROHIBITED. —