The answer is subjective- I would say all of the above. He is making observations and deductions based on logic. He is reflecting on his surroundings and acting.
Define the terms and prerequisites for being labeled an outdoor enthusiast or an experienced hunter.
Since the question said to check all that apply, we can assume that at least one of them fits these criteria for whomever wrote this question. If any of them would work, they should all be checked. If I'm incorrect, you have a strong argument against the validity of the question.