newt

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newt,

name for members of a large salamandersalamander,
an amphibian of the order Urodela, or Caudata. Salamanders have tails and small, weak limbs; superficially they resemble the unrelated lizards (which are reptiles), but they are easily distinguished by their lack of scales and claws, and by their moist, usually
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 family, widely distributed in the Northern Hemisphere and including the common European salamanders. Newts are lizardlike in shape and are usually under 6 in. (15 cm) long including the slender tail. Some are brightly colored and secrete irritating substances. Like other salamanders, newts go through an aquatic, gilled larval stage. In some species the adults remain aquatic, although they lose their gills and breathe air; in others the adults are terrestrial, returning to water only to breed. Still other newts go through two adult stages: a terrestrial stage, during which they are called efts, is followed by a permanent aquatic stage. One such species is the common red-spotted newt (Diemictylus viridescens) of the E United States, known in its terrestrial stage as red eft. The 3-in. (7.5-cm) adult lays its eggs in spring on the stems and leaves of water plants. The greenish-brown larvae remain in the water for several months before emerging as efts, orange-red with a double row of black-ringed vermilion spots. The efts spend two or three years on land, hibernating in winter under leaves, and then return permanently to the water, becoming olive green and developing a broad swimming tail. Newts are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Amphibia, order Urodela, family Salamandridae.

newt

[nüt]
(vertebrate zoology)
Any of the small, semiaquatic salamanders of the genus Triturus in the family Salamandridae; all have an aquatic larval stage.

newt

1. any of various small semiaquatic urodele amphibians, such as Triturus vulgaris (common newt) of Europe, having a long slender body and tail and short feeble legs
2. Chiefly Brit any other urodele amphibian, including the salamanders
References in periodicals archive ?
Great crested newts are rare across Europe, although can be locally abundant in the UK.
Newts from the high-elevation regions of Oregon outside of Crater Lake ranged from BDL to 0.
Callum started his study after he heard that a German herpetologist had found larval stage newts beside Loch Linnhe near Fort William while on holiday in 2011.
Katharine then rushed the newt and salad back to Sainsbury's Holborn store.
Predators that can prey on newts in this locality are Grass snakes, Eurasian jays (Garrulus glandarius), European magpies (Pica pica), European polecats (Mustela putorius), Beech martens (Martes foina), and European pine martens (Martes martes).
January 19 - Hedge laying Shelley College February 9 - Kayes Mill Green March 9 - Mirey Greaves Shrogg April 20 - Kayes Mill Green May 18 - Kayes Mill Green June 8 - Riding Woods steps July 13 - Balsam pulling August 10 - Balsam pulling September 14 - Great Crested Newt Link Project October 19 - Great Crested Newt Link Project November 9 - Great Crested Newt Link Project December 14 - Great Crested Newt Link Project No previous experience is needed and training will be given on task days to new attendees.
And, with the help of the volunteers, cars will be escorted by torch-light carefully towards the car park while migrating newts are moved out of danger to the side of the road.
Its home is an area of highland streams that go dry in the summer, when the newt estivates.
The large site is host to both the less common palmate and more numerous smooth newts, both of which need areas of open water to carry out their courtship.
The future of the great crested newt is under threat in Britain and a colony of the creatures has been discovered on the site for the massive Defence Technical College at the former RAF St Athan site.
A NEWT colony that was not there could cost the government pounds 1.
A POPULATION of protected rare newts has been decimated on a site which was supposed to be looked after by the council.