Reddish individuals of other species of Grass Snakes: A. Reddish Western Grass Snake (Natrix helvetica) from Cistude Nature, Le Haut Perché, Bordeaux, France (44.893°N, 0.679°W), 21 October 2013, photograph by Matthieu Berroneau; B. Reddish Iberian Grass Snake (Natrix astreptophora) from Verdes (43.219°N, 8.771°W), Coristanco, A Coruña, Spain, 10 July 2009, photograph by Pedro Galán.

  
 
  Part of: Jablonski D, Trapp B, Tzoras E, Mebert K (2022) Erythrism in the Eastern Grass Snake, Natrix natrix (Linnaeus, 1758). Herpetozoa 35: 213-217. https://doi.org/10.3897/herpetozoa.35.e90928