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| Two males photographed in situ. One typical N.n.helvetica and one possible helvetica/persa hybrid? |
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| Typical British form (N.n.helvetica) |
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| Persa phenotype. |
Saturday, 26 March 2016
Natrix natrix "persa" Staffordshire UK
Yesterday I visited a site in Staffordshire which is known to contain many striped individuals - believed by some to be feral Balkan grass snakes (N.n.persa). I found three specimens in total - one of which displayed typical persa traits, one typical British helvetica, and one possible intermediate form.
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