To be honest, we don’t know what ghosts are… not all of them, anyway. However, we can categorize them by their behaviors, how they manifest, and so on. It’s all speculation, but these articles might be helpful.
Different Types of Ghosts and How to Spot Them
- Banshees and Ghost Hunting - In Ireland, the U.S., and Beyond
- Canada's Poltergeists - The Great Amherst Mystery
- Ghosts - Residual Energy or 'Real' Haunted Places?
- How to See a Ghost - Easier Than You Think!
- Is That Noise a Ghost? Maybe Not!
- Poltergeists - What They Are, and Famous Stories
- Residual Energy Hauntings
- Scottish Ghosts - Where to Find a 'Green Lady'
- Three Kinds of Ghosts You Can See
- What is a Banshee? A Ghost, a Faerie or Something Else?
- What Is a Ghost?
- Why Do Ghosts Haunt Houses?