WESTERLY, R.I. -- It may not be as big and scary as Big Foot, but a wild animal at the local Walmart is at the center of a mystery that has captured public attention in the steamy days of summer.

After talking about two birds that are generally unmistakable, I wanted to switch gears this week and take a closer look at a mammal that seems to lead to more annual misidentifications than any other ...

Vegetated highway medians are a proverbial buffet for small mammals, according to biologists. Animals such as weasels, mink, and chipmunks use the roadside bands of vegetation as habitat to find food.