Anguis fragilis

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Anguis fragilis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Reptilia
Order: Squamata
Family: Anguidae
Genus: Anguis
Species: A. fragilis
Binomial name
Anguis fragilis
Linnaeus, 1758
Closeup of the head of a slow-worm


Anguis fragilis (the slow worm, slow-worm, slowworm, blindworm or blind worm) is a limbless (meaning it has no legs or arms) reptile that lives only in Eurasia. It is also a lizard.

When a slow-worm is in danger it can shed (break off) its tail and escape. It can then grow back a new, shorter tail, which it cannot shed.

The female often has a stripe along the back and the male may have blue spots.

Instead of laying eggs, the females give birth to live young (viviparous birth). In the days leading up to birth the female can often be seen basking in the sun on a warm road.

Slow-worms are often called snakes, but they are not. Slow-worms can blink, but snakes cannot. They shed their skin in patches like other lizards, rather than the whole skin as most snakes do.

Adult slow-worms grow to be about 50 centimetres long. They are known for their very long life. One was said to have been fifty four years old.

There are not as many slow-worms as there used to be. Many places where they used to live have been built on. In gardens they can be killed by cats.