Taken about 20 years ago in Hamsterley Forest and showing an unusual emerald green variant of the viviparous lizard.
I'm not sure whether is was a young one in the process of acquiring more typical colours or whether it was part of a population whose colours were better adapted to a forest habitat. I've never seen another green one.
Those that live on open moorland nearby are usually coloured with shades of brown, grey and buff. Click here for a photo of a more typical local example.
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