There's a new paper in PNAS [1] (paywalled) showing that zoo populations of mammals in North America and Europe are getting older because zoos will not do what is needed to maintain species sustainably.
Which is by no means a new problem, though it is good to have data. [2]
[1] https://www.pnas.org/doi/10.1073/pnas.2522274123
[2] https://www.jeremycherfas.net/blog/better-breeding-in-zoos
#zoos #conservation
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2026-01-24 12:34:00 UTC
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