Question

___________ light indicates a reflection of your headlights in an animal's eyes.

Answer 1

I think Animal's eyes show up various colors in headlights . For example a Cat can show up different colors ranging from a bright yellow, to blue or green. A deer might also have a green or blue eyes in the light of the headlights, and also the Opossum eyes usually red in headlights. Therefore; the type of color may vary from one animal to another. 

Answer 2

RED

Step-by-step explanation:

____Red_______ light indicates a reflection of your headlights in an animal's eyes.

Red light comes from the reflection of light is that reflects off the retina of the animals. Retina of the animal's eye contain a special reflective layer called thetapectum lucidum that works like a mirror in the back of light. That is why when light is flashed on their eyes they reflect red color generally.