Species Status

Native Reptiles of the British Isles

Species	England	Northern Ireland	Scotland	Wales	Eire	Isle of Man	Channel Islands
Adder Vipera berus	Yes	No	Yes	Yes	No	No	No
Common lizard Zootoca vivipara	Yes	Yes	Yes	Yes	Yes	Yes	No
Grass snake Natrix natrix	Yes	No	No¹	Yes	No	Yes	Yes³
Sand lizard Lacerta agilis	Yes	No	No	Yes²	No	No	No
Slow worm Anguis fragilis	Yes	No	Yes	Yes	No	No	Yes³
Smooth snake Coronella austriaca	Yes	No	No	No	No	No	No
Common wall lizard Podarcis muralis	No	No	No	No	No	No	Yes³
Western green lizard Lacerta bilineata	No	No	No	No	No	No	Yes³

¹ Technically, this is a "Yes", as Grass snakes can be found in Scotland, and they do even breed on occasion in certain localities, however; the English/Scottish border is the generally accepted northern limit of the Grass snake's range in the UK.

² For a while, the Sand lizard became extinct in Wales, but has since been sucessfully re-introduced.

³ Only native on Jersey.

Established (breeding) Introduced Reptiles of the British Isles

Species	England	Northern Ireland	Scotland	Wales	Eire	Isle of Man	Channel Islands
Sand lizard Lacerta agilis	N/a	No	Yes	No	No	No	No
Common wall lizard Podarcis muralis	Yes	No	No	Yes	No	No	N/a
Western green lizard Lacerta bilineata	Yes	No	No	No	No	No	Yes¹
Aesculapian snake Lacerta bilineata	Yes	No	No	Yes	No	No	No
Slow worm Anguis fragilis	N/a	No	N/a	N/a	No²	No	Yes³

¹ Native on Jersey, however the Guernsey colony was introduced from Jersey stock.

² There was an apparently failed attempt to introduce the Slow worm to Eire in the 1970s.

³ A native of Jersey, the Slow worm has been introduced to all other Channel Islands except Sark.

Native Amphibians of the British Isles

Species	England	Northern Ireland	Scotland	Wales	Eire	Isle of Man	Channel Islands
Common frog Rana temporaria	Yes	Yes	Yes	Yes	Yes	Yes	No
Smooth newt Lissotriton vulgaris	Yes	Yes	Yes	Yes	Yes	No	No
Common toad Bufo bufo	Yes	No	Yes	Yes	No	No	Yes¹
Great crested newt Triturus cristatus	Yes	No	Yes	Yes	No	No	No
Natterjack toad Epidalea calamita	Yes	No	Yes	Yes	Yes	No	No
Palmate newt Lissotriton helveticus	Yes	No	Yes	Yes	No	No	Yes²
Pool frog Pelophylax lessonae	Yes	No	No	No	No	No	No
Agile frog Rana dalmatina	No	No	No	No	No	No	Yes²

¹ Native on Jersey (locally named the Crapaud or Jeriais), where it grows larger in size than on the British mainland.

² Only native on Jersey.

Established (breeding) Introduced Amphibians of the British Isles

Species	England	Northern Ireland	Scotland	Wales	Eire	Isle of Man	Channel Islands
Common frog Rana temporaria	N/a	N/a	N/a	N/a	N/a	N/a	Yes
Marsh frog Pelophylax ridibundus	Yes	No	No	No	No	No	No
Edible frog Pelophylax kl. esculentus	Yes	No	No	No	No	No	No
Pool frog (non-Northern clade) Pelophylax lessonae	Yes	No	No	No	No	No	No
Iberian water frog Pelophylax perezi	Yes	No	No	No	No	No	No
North American Bullfrog Lithobates catesbeianus	Yes	No	No	No	No	No	No
Common toad Bufo bufo	N/a	No	N/a	N/a	No	No	Yes¹
African clawed toad Xenopus laevis	Yes	No	No	No	No	No	No
Midwife toad Alytes obstetricans	Yes	No	No	No	No	No	No
Italian crested newt Triturus carnifex	Yes	No	No	No	No	No	No
Alpine newt Mesotriton alpestris	Yes	No	No	No	No	No	No

¹ Although a native of Jersey, the Common toad is an introduced species to Guernsey.