Undated handout photo issued by Chester Zoo of a Ecuadorian stream frog which has been named Hyloscirtus princecharlesi in honour of the the PRince of Wales’ environmental campaigning over the years. PRESS ASSOCIATION Photo. Issue date: Thursday July 5, 2012. The brown-coloured amphibian with large orange blotches was discovered by Ecuadorian scientist Dr Luis A Coloma four years ago among preserved museum specimens. The academic later took part in an expedition to a national park in his homeland and found three live adults and some tadpoles. Charles will meet Dr Coloma later today at a environmental themed workshop the Prince is hosting for young school children from across the country at Highgrove, his Gloucestershire home. See PA story ROYAL Frog. Photo credit should read: Chester Zoo/PA Wire

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