Are bulls colour blind

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The Bullfight
La Fiesta Brava
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Bull Vision

• Colour vision depends on three classes of
  receptors
• Bulls have dichromatic vision
• Dichromates can only differentiate between two
  classes of colour

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• They can distinguish red from blue or green but
  not blue from green

• Bulls have perception that ranges from 400nm to
  700nm

rods
cones
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Are Bulls Colour Blind?

• Technically bulls are colour blind
• Most mammals are also dichromates (partially
  colour blind)

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