Slow worm

You might mistake them for snakes, but they are merely legless lizards

Chris Duncan

Contrary to its outward appearance, the sluggish worm is neither a worm nor a snake—it is a legless lizard! Also known as deaf adder or blindworm, this species is common throughout Eurasia. Slow worms have a V shape on their heads and scales that partially cover their eyes, giving them a lidded appearance.

They also have distinctive black or dark brown zig-zag markings on their backs, which help them differentiate from other species of adders. In heathland, tussocky grassland, woodland edges, and rides, slow worms can be found searching for invertebrates to eat and a sunny area to sunbathe.

Distribution

Country
Population est.
Status
Year
Comments
Albania
2020
Andorra
2020
Austria
2020
Belgium
2020
Bosnia And Herz.
2020
Bulgaria
2020
Croatia
2020
Czechia
2020
Denmark
2020
Finland
2020
France
2020
Mainland
Germany
2020
Greece
2020
Mainland
Hungary
2020
Italy
2020
Possibly Extant
Lithuania
2020
Luxembourg
2020
Moldova
2020
Montenegro
2020
Netherlands
2020
North Macedonia
2020
Norway
2020
Poland
2020
Portugal
2020
Mainland
Romania
2020
Russia
2020
Kaliningrad
Serbia
2020
Slovakia
2020
Slovenia
2020
Spain
2020
Mainland
Sweden
2020
Switzerland
2020
United Kingdom
2020
Great Britain

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Terrestrial / Aquatic

Altricial / Precocial

Polygamous / Monogamous

Dimorphic (size) / Monomorphic

Active: Diurnal / Nocturnal

Social behavior: Solitary / Pack / Herd

Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore

Migratory: Yes / No

Domesticated: Yes / No

Dangerous: Yes / No