Animal sentience isn’t science fiction. It’s not anti-science to say we must use what we know on behalf of other animals and must stop pretending we need more data.

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An essay titled "Animal
sentience: history, science, and politics" by Andrew
Rowan and his colleagues is an excellent state-of-the-art summary of
what we know and don’t know about sentience in nonhuman animals
(animals). Nonetheless, I would have liked to see a bit more
coverage of the ethological literature and consideration of what is
called “positive emotions,” as in the work of Jonathan Balcombe on
pleasure.
It always amazes me that some people, typically academics, are quick
to acknowledge that nonhumans feel certain negative emotions but
remain agnostic about, or reject the possibility of, whether they
also feel positive emotions. How could they not, given what we know
about animal sentience and
animal behavior?
It's clear we know that numerous animals other than ourselves are
sentient beings, and a
shift in attitudes is in progress. Given what we know about
animal sentience, it's time for more action—to use what we know on
behalf of other animals.
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Please read the ENTIRE ARTICLE HERE.