Grass Snake (Natrix natrix helvetica). Head showing identification feature of yellow-orange collar behind the head.
Grass Snake (Natrix natrix helvetica). Adult female. Norfolk. Showing distinctive yellow neck collar marking, typical of species. Tongue extended.
Size: 5341px × 3561px
Photo credit: © Joe Blossom / Alamy / Afripics
License: Licensed
Model Released: No
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