Species Detection

The ability to determine the type of species.

Description
The user can find out if another individual or being is human or non-human.

Applications

 * X-Ray Vision
 * Enhanced Smell

Known users

 * Vampires (Buffy, the Vampire Slayer & Angel); via Enhanced Smell
 * All supernaturals (Shadow Falls); via X-Ray Vision to see someone's brain pattern
 * Sun Wukong (Journey to the West); via X-Ray vision to see one's true self
 * Enchanted mirrors (Journey to the West)