The chickens. Orangutans are scary.

I'll fight the chicken if there's a good chance she'll actually kill me

An orangutan is worth a lot more than a few hundred chickens.

The orangutan, since you didn't clarify I am assuming I can just spar with him with a wooden sword and become fast friends and rivals.

I’ll walk thanks.

I rarely get into a car, so the chicken is a better option. Plus, I would get free food

Could I choose the orangutan? https://i.imgur.com/tGd6MEZ.jpg

Neither

wait what do I get for beating the orangutan? Sounds like a lot of effort with no payoff, bring on the chickens

Under these conditions I would resort to public transport and bycicles. Where have you got that idea? Not sure if it is pure sarcasm based on the shape of a special sort of questions we can find here quite often?