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Locking a wild animal? Yes. Locking a domesticated one, the one that co-evolved with humans, gaining some features (like facial expression) specifically in a context of coexistence? I’m not that sure.

Please see two evolutionary biologists mentioning some of the relevant points starting at 17:54 here https://youtu.be/CS3w9zOGvmw

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Cows/sheeps/etc... they also are domesticated. You don't close them in a apartment. And those that are closed for food production you have n groups asking for better conditions for animals. If you buy an egg in Europe that egg is classified if was coming from a chicken in freedom or if was in a cage. Same thing. Why people with cats use hormones ex:feliway so the cat's can be calm? It's because they are OK? Do you take hormones if you are ok? I Don't think so.

I think you got the wrong video! They are talking about if a dog can read expressions from humans with masks.

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