Natrix helvetica (Lacépède, 1789)
(Grass Snake)

Subtaxon Example images Rank Featured
subtaxa		 No of
images		 No of
ID refs
Natrix natrix ssp helvetica
Barred Grass Snake
Subspecies 1 ident. refs
Taxonomic hierarchy:
SpeciesNatrix helvetica (Grass Snake)
GenusNatrix (a genus of reptiles)
FamilyCOLUBRIDAE (grass and smooth snakes)
OrderSQUAMATA (snakes and lizards)
ClassREPTILIA (reptiles)
SuperclassTETRAPODA (a superclass of unassigneds)
PhylumCHORDATA (vertebrates)
SuperphylumDEUTEROSTOMIA (deuterostomes)
CladeBilateria (bilaterally symmetrical animals)
SubkingdomEUMETAZOA (metazoans)
KingdomANIMALIA (animals)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Natrix helvetica (Grass Snake) :
1: Natrix helvetica (Grass Snake)
24 May 2004 OSGR: SU56 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
in hole under paving near garden pond
Image 1: Grass snake between paving stones - detailImage 2: Grass snake between paving stones - detail (2)Image 3: Grass snake between paving stones - detail (3)Image 4: Grass snake between paving stones - detail (4)Image 5: Scales - close-up
2: Natrix helvetica (Grass Snake)
13 Jul 2002 OSGR: SU56 51° 20’ N, 1° 20’ W Vice County: Berks (VC 22) England
Dead juvenile
Image 1: In situImage 2: Top viewImage 3: Underside
3: Natrix helvetica (Grass Snake)
20 Aug 2001 OSGR: SU56 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
Egg clutch found while turing over compost heap
Image 1: EggsImage 2: Eggs - close-upImage 3: Eggs - close-up (2)
4: Natrix helvetica (Grass Snake)
11 Sep 1995 OSGR: SU56 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
Shed skin, 106cm long
Image 1: Shed skinImage 2: Shed skin - head - close-up
5: Natrix helvetica (Grass Snake)
29 Apr 1978 OSGR: SU94 51° 10’ N, 0° 40’ W Vice County: Surrey (VC 17) England
at edge of water - usually found it there that spring
Image 1: Curled up

Identification Works

AuthorYearTitleSource
Kindler, C. et al. 2017 Hybridization patterns in two contact zones of grass snakes reveal a new Central European snake species Scientific Reports.

Natrix helvetica (Grass Snake) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Natrix helvetica (Grass Snake)
BioInfoBioInfo (www.bioinfo.org.uk) has 1 host/parasite/foodplant and/or other relationships for Natrix helvetica (Grass Snake)
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