Viviparous Lizard

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Viviparous Lizard

 

(Lacerta viviparta), a reptile of the family Lacertidae. Body length, 15 to 18 cm; tail length, 10 to 11 cm. Its dorsal coloration is brown with black spots. The males have an orange abdomen; females have green or yellow abdomens. The viviparous lizard, distributed throughout Europe (except in the southeast) and northern Asia, is found on mountains up to 3,000 m in elevation. It lives primarily in hummocky swamps with shrubs and in coniferous and deciduous forests and feeds on insects, spiders, and other small invertebrates.

The fertilized eggs remain in the oviducts, where their development takes approximately three months. The young usually emerge from the mother still in the eggshells, hatching within several minutes (this method of reproduction is called ovoviviparity). The young measure up to 4 cm long and are black. The litter of older females consists of eight to 12 off-spring; young females bear two to five. Viviparous lizards winter in burrows, under tree roots, or under bark. Ovoviviparity developed in this species as a result of the cold continental climate. In the Pyrenees Mountains, however, the viviparous lizard is an egg-layer.

References in periodicals archive ?
Extraordinary close-ups of fairy moss and a tiny mite walking over a frog's head and pictures of sunlight streaming through woods, a common lizard on a tree, and a gang of starlings looking menacing in a London car park were among other winning photographs.
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The studies on grass snakes, the common lizard, medicinal leeches and great crested newts will take place as well.
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Now the RSPB will use a pounds 76,102 grant to improve habitats for skylark, common linnet, brown hare, common lizard and adder.
So far we have recovered one common lizard alive out of thousands," added Mr Cripps.
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A nature reserve since 1987, its attractions now include spotted and bee orchids, and the common lizard.
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the green anole (Anolis carolinensis) is the most common lizard in the Southeast.