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Species native to the United Kingdom
Introduced or alien species
Alien species that present a threat to wildlife

Alpine Newt - Mesotriton (formerly Triturus) alpestris - Alien


Tailed Amphibian - smooth skin

Dorsal Surface, brown, green or grey above sometimes marbled

Ventral Surface, deep orange or red unspotted. The unspotted belly is not typical of our three native newt species.

Flanks, often some blue, spotted with black

Male has a low yellow crest with black markings

Adults up to 12 cm

UK Distribution

Colonies reported from Kent, East Surrey, South-East London, Birmingham, Shropshire, Sunderland and Central Scotland.


Exotic - The Alpine Newt has been deliberately introduced into the UK. It is not thought to currently pose a threat to our native herpetofauna.

Alpine Newt - male
© Paolo Mazzei

Adult Male Alpine Newt

Alpine Newt - female
© Paolo Mazzei

Adult Female Alpine Newt

Release of exotic species into the wild is a criminal offence under the Wildlife and Countryside Act 1981.

This includes introduction of exotic or alien species that may already have become established.

The interpretation of "wild" in the act includes private gardens from which escape is possible.

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