Uploaded September 2025 | Updated September 2026, 2 weeks ago

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Black-footed ferret Antonia (born 2023) is a clone of ferret "Willa" who lived more than 30 years ago. This year, Antonia and her two kits (born 2024) collectively produced three additional litters, a critical step forward in re-introducing much-needed genetic diversity into the greater black-footed ferret population. Learn more: https://nationalzoo.si.edu/news/new-kits-born-black-footed-ferret-cloning-research.