African elephants walk on their tippy-toes
![African elephant](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/10/ht_elephantfeet_free.jpg?fit=860%2C460&ssl=1)
African elephants may develop foot problems when they tiptoe across hard surfaces in captivity.
Harvey Barrison/Flickr (CC BY-SA 2.0)
African elephants may develop foot problems when they tiptoe across hard surfaces in captivity.
Harvey Barrison/Flickr (CC BY-SA 2.0)