Stingray that got pregnant despite no male companion has died, aquarium says

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Stingray that got pregnant despite no male companion has died, aquarium says
apnews.com
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It's weird, but it makes sense as a last ditch effort to bridge a population bottleneck. Just because we haven't witnessed something doesn't make it impossible.

I don't mean to suggest it's impossible. Clearly it is possible to artificially induce parthenogenesis in mammals because it has been done, although the offspring have not been healthy so far.