https://www.thebhs.org/publications/the-herpetological-bulletin/issue-number-100-summer-2007/3057-hb100-08
Triturus alpestris (Alpine newt): hypomelanism | British Herpetological Society
Lumír Gvozdík, Daniel Stejskal and Jan Dvoøák
triturus alpestrisalpine newtherpetological societyhypomelanismbritish