The Quiz: What is a bison wallow?
A A watering hole
B Rare bison fur
C A sorrowful cry
Historically, thirsty bison would seek out shallow depressions in the prairie that held rainwater, providing them a place to bathe, drink, and roll around in the mud. These wallows became more prominent the more they were used, and some ancient buffalo wallows are still visible today.
The correct answer to this quiz is A watering hole.