How those pigeons got to be so colorful?

they ate food with a dye
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they were painted like that
923
it's a fancy breed
516
it's a photomantage
452
There is a competition in Spain in which painted pigeons chasing their doves. The winner is one which brings the dove back to its cage. Every breeder has its own colour assigned so the judges can recognise them.
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Ninjai
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