One commenter on the Instagram video, which has more than 18,000 likes, made a reference to Swiper, the infamous thieving fox from the children’s show “Dora the Explorer,” and suggested a solution.

One or more foxes have stolen at least 32 shoes, according to park officials, who warned campers to guard their belongings. By Aishvarya Kavi Grand Teton National Park in Wyoming, known for its ...