Now Only I Know The Truth !

I thought it was truth ...

Bulls are not enraged by the color red

The matadors of Spain -- and anywhere else, for that matter -- wave red capes in an effort to enrage bulls for entertainment purposes. People have since drawn the conclusion that the color must anger the bull.
But bulls are color blind. Being dichromats, it isn't the color of the cape that bothers them, but the movement of the fabric. This incites the bull to charge.

Read more here: http://www.businessinsider.com/15-everyday-facts-that-are-totally-wrong-2011-8#bulls-are-not-enraged-by-the-color-red-7#ixzz1YUx4Tugc