Cite Bulls and red capes Updated February 23, 2017 | Factmonster Staff The Question: Are bulls really enraged by the color red? The Answer: No. In fact, bulls are color blind. When, at a bullfight, a bull charges a matador's cape, he's attracted by its movement, not the color. -The Fact Monster ? MoreFeaturesGamesPollsTimelinesQuizzes See also: What is Oscar made of?