Quote Originally Posted by Throbert McGee View Post
Жила-была лиса. Раз она гуляла по лесу.
(There lived and there was a fox. Once she was strolling through the woods.)
Однажды она гуляла в лесу (бродила по лесу)

If гуляла - then в лесу
If бродила - then по лесу

"Бродила" is OK here.

"Раз" in this meaning is incorrect. You can use "однажды" or "как-то раз" but the former is better.