Molecular Biology and Genetics

Molecular Biology

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Specimen Records:15
Specimens with Sequences:18
Specimens with Barcodes:14
Species:1
Species With Barcodes:1
Public Records:2
Public Species:1
Public BINs:1
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Wikipedia

Anguis

Anguis, or the slow worm, is a small genus of lizards in the family Anguidae. It has two described species.

Description[edit]

Slow worms are typically grey-brown, with the females having a coppery sheen and two lateral black stripes, and the males displaying electric blue spots, particularly in the breeding season. They give birth to live young; the young are about 4 cm (1.6 in) long at birth and generally have golden stripes.

As their name indicates, slow worms are slow moving and can be easily caught. Like many lizards, slow worms can shed their tails to distract predators. The tail regrows, but never fully.[2] Principal predators are birds, badgers, hedgehogs, foxes and domestic cats.[3][4][5]

The average British slow worm will grow to 45 cm when fully mature and weigh approximately 100g, females being slightly larger than the males, The tail makes up around half of its length, but is indistinguishable from the body.they have an average lifespan of 20 - 30 years in the wild but the record longevity is said to be 53 years [4][5]

Morphology[edit]

Although slow worms much resemble snakes & are often mistaken as such, they are actually lizards which have lost their limbs completely with evolution.

Slow worms can be distinguished from snakes by several features: their eyelids, which snakes lack entirely; their small ear openings which again snakes lack; and their tongues, which are notched in the centre rather than completely forked like a snake's.

Habitat[edit]

Slow worms live in any habitat that is warm and protected such as woodland, grassland and heathland; they are frequently found in garden compost heaps.[5] They range across most of Europe, and into parts of Asia, but they are restricted to temperate and humid habitats. They hibernate from October to February/March, both communally and solitarily, and sometimes share hibernating sites with other reptiles.

Diet[edit]

Slow worms have grooved teeth which allow them to grab and swallow whole their soft invertebrate prey, such as slugs, hairless caterpillars and other insects, spiders and earthworms.[6] Snails are usually avoided, except when they are still very young and the shell can be broken easily.

Protected status[edit]

They are protected in the United Kingdom and Poland.

Classification[edit]

Subfamily Anguinae

References[edit]

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