-An animal reacts in an impulsive way, they live in-the-moment.
Why do you think that the fabrication of data will help me make up my mind? Practically speaking, field research to gather statistical data on chickens crossing roads is somewhat pretentious. Considering the lack of resources and the nature of the question, it is near-impossible to answer this question without in-depth knowledge of neurological functions of a chicken. Knowledge we currently do not possess.