28 shades of grey — colour transformations that will blow your mind

  • If you own a grey, the chances are that it looked slightly different during its younger years. The grey gene turns any horse into a paler version of its original colour.

    The lightening process will progress at different rates in each horse, but they usually start at their darkest shade as a foal.

    To see this gene in action, here’s a selection of horses who are barely recognisable from their formative years.