What is the animal that looks like a skunk and has a long black and white tail?

The animal you're describing is likely the Eastern Spotted Skunk, which resembles a skunk with its distinctive black and white coloration and long, slender tail. Unlike the more common striped skunk, the Eastern Spotted Skunk has a more intricate pattern of spots and stripes. This species is known for its agility and climbing ability, often found in wooded or brushy areas.