🐭🎡 For years, scientists thought captive #mice ran on wheels because they were bored. But when researchers put wheels in the wild, they found that free-roaming mice, #rats, and even #frogs lined up for a turn, just for fun.

👉 https://www.zmescience.com/ecology/animals-ecology/wild-mice-hamster-wheel-study-play/

#science #biology #animals #nature #wildlife #research #evolution #ecology