At dusk, a fox's narrowing eye offers a better clue than its dog-shaped outline. The resemblance misleads. While the body belongs to the canid family, the vertical pupil is tuned for judging distance across uneven ground, a design more often associated with ambush predators. Its face gives it away.That is not a cosmetic quirk; it is a hunting system built around precision. It is ruthless. A narrow...More