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The northern crested newt, great crested newt or warty newt (Triturus cristatus) is a newt species native to Great Britain, northern and central continental Europe and parts of Western Siberia. It is a large newt, with females growing up to 16 cm (6.3 in) long. Its back and sides are dark brown, while the belly is yellow to orange with dark ...
In the absence of suitable plants, the eggs may also be deposited on leaf litter, stones, or even plastic bags. In the northern crested newt, a female takes around five minutes for the deposition of one egg. Crested newt females usually lay around 200 eggs per season, while the marbled newt (T. marmoratus) can lay up to 400.
A licence is required for surveying in ponds which contain great crested newts. [ 11 ] The site, known as Alton's Field, [ 12 ] was notified on 16 August 2000, [ 8 ] because "this site supports one of the largest known breeding populations of great crested newt Triturus cristatus in the UK."
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To the North, its range borders that of the Danube crested newt and the Northern crested newt and to the East, that of the Balkan crested newt. It was first described as a variety of Triturus karelinii, later considered a subspecies of Triturus carnifex, and was elevated to species rank following molecular phylogenetic analysis in 2007. [4]
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Female mate choice is an important concept in evolutionary biology because it bears on female and male reproductive success. Experiments were carried out with Lissotriton vulgaris in which female newts were paired sequentially with two males having different degrees of genetic relatedness to the female.
The Anatolian crested newt was described by Ben Wielstra and Jan Willem Arntzen in 2016. [2] Mitochondrial DNA data had already suggested that it was a separate species in a 2013 study, but the authors had preferred to await a more detailed analysis before formal species description and temporarily included it in the Balkan crested newt (Triturus ivanbureschi), which had been split from the ...