Products will be tagged below 👍 A bloodstain can vary in appearance depending on factors such as the surface it lands on the volume of blood and how it was deposited Here are some common characteristics 1 Color Appearance Fresh bloodstains are typically bright red but may appear darker if oxygenated or dried Older bloodstains turn b r o w n i s h -red to dark brown as they oxidize and degrade Very old stains may appear black or r u s t -colored due to prolonged exposure to air and environmental factors 2 Shape Pattern Drip stains Circular or oval stains often with satellite spatter if dropped from a height Smears Wipes Streaks or elongated stains created by movement.