I don’t think that they think that. All humans have different voices, yet it’s pretty easy to tell what mood someone is in, even if you don’t know the languages. Why would you assume that chickens express these so differently that it can’t be interpreted automatically, when the same is possible for us with much higher ranges of possible expressions?
I don’t think that they think that. All humans have different voices, yet it’s pretty easy to tell what mood someone is in, even if you don’t know the languages. Why would you assume that chickens express these so differently that it can’t be interpreted automatically, when the same is possible for us with much higher ranges of possible expressions?