In the largest study of its kind, researchers at Nottingham Trent University analyzed more than 7,200 species across 613 zoos in 72 countries over a 30-year period. The team compared changes in zoo animal holdings with changes in species' conservation status, including extinction risk, internati...

Source: [Phys.org](https://phys.org/news/2026-09-threatened-species-zoos-efforts-pressures.html)

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