a nocturnal animals eyes will reflect back the same color as the light color hitting them,red,amber or white..although different animal eyes relect at different intensities under dim light,the difference is barely noticable.after spending time in the night time woods you will learn the difference between different animals.for example,a deers eyes are large in diameter-spaced fairly far apart and are high off the ground.on the other end,a coons eyes are very close together,small diameter and when he walking his eyes are almost on the ground.the difference between fox and coyote is much less noticable except that a coyotes eyes are slightly larger,slightly farther apart,and higher off the ground.