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Chicken prefer beautiful Humans. Now you know.
[Scientists] trained chickens to react to either an average human male or female face. They then showed the chickens a series of faces of different levels of attractiveness (see Figure 1 below) and measured how much the chickens pecked at each face (a measure of their preference for the face). Surprisingly, they found that the chickens preferred the same faces as did human volunteers (in this case university students asked to rate the faces for attractiveness), suggesting that something about these faces makes them inherently more attractive to our nervous systems.