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 ?
With the weather finally warming up this weekend, please keep an eye out for common lizards for the survey the Merseyside Reptile and Amphibian Group are currently conducting.
They want your help to discover how many common lizards are faring and are appealing for any sightings, of this elusive, but fascinating reptile.
Reptiles and amphibians also thrive: adders, slow worms, frogs, toads and common lizards are abundant
uk 3 Reptile ramble at Rhydymwyn Valley Nature Reserve Join NEWWILDLIFE and local reptile recorder Mick Brummage this Saturday looking for common lizards, slow worms and grass snakes.
Soon I reached Nicholaston Burrows and, with my dogs at my side, I headed back towards ree Clis across the dunes, common lizards darting on the ground, brown argus and marbled white butter"y "itting over our heads and all around, burnet rose, bloody cranesbill and pyradmical orchids graced these peaceful burrows.
The researchers used high-speed videography to dissect the motion of two common lizards - the flat-tailed house gecko and green anole - as they fall, starting upside down.
uk 4 Reptile Ramble, Sunday, Llyn Brenig, Cerrigydrudion, Corwen A guided walk with a local expert to see illusive reptiles such as adders and common lizards at Gors Maen Llwyd nature reserve.
But the site is home to thousands of common lizards, which are protected by law.
uk Birds of prey and others such as the ring ouzel breed in Craig Cerrig Gleisaid; spot rare nocturnal birds include owls and nightjar at night; survey the sensory adaptations of endangered British bats; forage for common lizards, adders and slow-worms; hunt for rare orchids around Kenfig National Nature Reserve; and comb Southerndown Beach for fossils and the elusive chough The common blue butterfly at Southerndown
There is a large population of common lizards on Freshfield Dune Heath, so we are confident the sand lizards will thrive here.
It is also hoped that the area will act as a substrate for some of the orchids which grow elsewhere around the marsh and as a basking area for common lizards.
Physiological and behaviour changes in common lizards parasitized by haemogregarines.