Target Indicator
Anything a shooter does or fails to do that could result in detection.
Sound
Most noticeable at night/in the dark.
Caused by movement, equipment, or talking.
Minor noise might be dismissed, but talking will not.
Movement
Most noticeable during daylight.
Human eye is attracted to movement.
Quicky or jerky movement are more noticeable than slow movements.
Improper camouflage
Shine
Outline
Contrast with Background
Disturbance of Wildlife
Birds suddenly flying away
Sudden stop of animal noises
Animals being frightened
Odors
Cooking
Smoking
Soap/Lotion
Insect repellent