During the day, goats' pupils narrow to almost rectangular, horizontal slits. This is used to protect their eyes from too much sunlight. With their broad pupils they have a wide field of view of 320-340 degrees and can promptly recognize enemies like wolves.
Goats cannot perceive the colour blue. For them the sky is always grey.
3.1" (W) x 1.1" (D) x 2.8" (H)