The Herpetological Journal is the Society's prestigious quarterly scientific journal. Articles are listed in Biological Abstracts, Current Awareness in Biological Sciences,Current Contents, Science Citation Index, and Zoological Record.
ISSN 0268-0130
2021 Impact Factor from Clarivate for the Herpetological Journal is 1.194, an increase of 0.332 from 2020.
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pp.:192-196
Authors: Sylvia Sheldon And Christopher Bradley
Abstract: During a study of adders ( Vipera berus) in Wyre Forest, a systematic method was developed to identify individuals in the field. It was revealed that no two adders possessed identical head markings. It was shown that a photographic record was a re liable aid to identification. Furthermore it was observed that over the period of studv adders retained their individual head markings.