Skip to content
WAnimals
  • Map
  • Species
  • Parks
  • Diving
Log inCreate account
WAnimals

The guide for travellers and animal lovers: discover, plan and share your wild adventures around the world.

Discover wildlife

  • Species
  • Ecosystems
  • Glossary
  • Tags

Explore places

  • Map
  • Countries
  • Parks
  • Diving

Plan experiences

  • Guides

Learn

  • Blog

Resources

  • About us
  • How we build our profiles
  • Help centre
  • Contact
  • Install the app

Follow us

Account

  • Log in
  • Create account

© 2026 WAnimals. All rights reserved.

Terms of servicePrivacyCookiesLegal notice
MapSpeciesParksDiving
  1. Home
  2. Species
  3. Slow Worm

One of the 2 slow worms on WAnimals

Reptiles · Squamata · Anguidae

Slow Worm

Anguis fragilis

Least Concern

The species is abundant and widely distributed; it faces no significant short-term risk.

Spotted something wrong?

For all that it looks like a snake, it is in fact a legless lizard, told apart by its movable eyelids and its ability to shed its tail. It is one of the longest-lived reptiles in the world for its small size.

Weight

20 g – 100 g

Size

40 cm – 50 cm

Life expectancy

20 years

Diet

Insectivore

Feeds mainly on insects and other invertebrates.

Activity

Irregular activity

Active at irregular times, by day or night depending on circumstances.

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Temperate forestGrassland
45countries84parks1same family

Fun facts

  • anatomíaIt is a legless lizard often mistaken for a snake, able to shed its tail to escape a predator as many other lizards do.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (reptile)
Habitat and environment
Grassland, heath, open woodland and gardens across much of Europe and western Asia
Birth weight
Exact weight at birth not found as a precise figure
Size at birth
Precocial, pale gold with a silver belly at birth, 7-10 cm in total length
Sexual maturity
2-3 years
Gestation / incubation
Internal gestation; the young born live, wrapped in a membrane that tears as they emerge
Litter / clutch size
3 to 20 young per litter (most commonly 8-12)
Life expectancy in captivity
Documented record of up to 54 years in captivity

Sources consulted: The Wildlife Trusts · ResearchGate (reproductive ecology Iberian study) · First-Nature · Wildlife Vagabond · A-Z Animals · AnAge (genomics.senescence.info) · Animal Diversity Web · Grokipedia

Where to find it

Best time: From March to October, mostly after rain and at dusk; it is often found under stones, sheets of metal and boards in meadows and along field edges.

Loading map…

Where to see it

Parks and dive sites where this species has been documented — showing 10 of 84.

Related species

Other species in the catalogue with the most in common with Slow Worm — same habitat, park, country, tags or family.

Same taxonomic family
Shares a park
Shares a park
Shares a park
Shares a park
Shares a park

Keep exploring

Based on what we already know about slow worm.

Share an experience, a fun fact or a tip for seeing the slow worm.
See full glossary
This page in other languages: Español · Deutsch · Français · Português · Italiano

The pins mark the parks where its presence is documented.

See its range on the interactive map→
Lake DistrictUnited Kingdom
CairngormsUnited Kingdom
Snowdonia (Eryri)United Kingdom
KillarneyIreland
Hohe TauernAustria
BerchtesgadenGermany
EcrinsFrance
Picos de EuropaSpain
Ordesa y Monte PerdidoSpain
Aiguestortes i Estany de Sant MauriciSpain
See all 84 parks
Least Concern

European Glass Lizard

Pseudopus apodus

Least Concern

Eurasian Common Shrew

Sorex araneus

Least Concern

Greater White-toothed Shrew

Crocidura russula

Least Concern

Least Weasel

Mustela nivalis

Least Concern

Sand Lizard

Lacerta agilis

Common Wall LizardLeast Concern

Common Wall Lizard

Podarcis muralis

CountriesSpain
ParksLake DistrictUnited Kingdom
TagsInsectivore
Insectivore
Variable activity
Solitary
Reptile
Temperate forest
Grassland

Europe40

Asia5

Spain
Poland
United Kingdom
Germany
Austria
Ireland
Albania
Andorra
Austria
Belarus
Belgium
Bosnia and Herzegovina
Bulgaria
Croatia
Czechia
Denmark
Estonia
Finland
France
Germany
Greece
Hungary
Ireland
Italy
Kosovo
Latvia
Liechtenstein
Lithuania
Luxembourg
Moldova
Montenegro
Netherlands
North Macedonia
Norway
Poland
Portugal
Romania
San Marino
Serbia
Slovakia
Slovenia
Spain
Sweden
Switzerland
Ukraine
United Kingdom
Armenia
Azerbaijan
Georgia
Russia
Türkiye