Large-headed water snake
type: Thing
alternate name: Natrix megalocephala
description: species of reptile
additional property: PropertyValue
  property ID: P31
  value: taxon
additional property: PropertyValue
  property ID: P105
  value: species
additional property: PropertyValue
  property ID: P141
  value: Vulnerable
additional property: PropertyValue
  property ID: P171
  value: Natrix
additional property: PropertyValue
  property ID: P225
  value: Natrix megalocephala
additional property: PropertyValue
  property ID: P373
  value: Natrix natrix
additional property: PropertyValue
  property ID: P627
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additional property: PropertyValue
  property ID: P646
  value: /m/02w9j5j
additional property: PropertyValue
  property ID: P685
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additional property: PropertyValue
  property ID: P815
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additional property: PropertyValue
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additional property: PropertyValue
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additional property: PropertyValue
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additional property: PropertyValue
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additional property: PropertyValue
  property ID: P3240
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additional property: PropertyValue
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additional property: PropertyValue
  property ID: P6177
  value: 8641
additional property: PropertyValue
  property ID: P9157
  value: 4121172
confidence:
  popularity graph score:
    score: 0.017
    score pct: 2
    tier: established
    components:
      sitelinks: 19
      sitelinks norm: 0.045
      unique citations: 11
      unique citations norm: 0.004
      monthly pageviews: 3
      monthly pageviews norm: 0.0
  sitelinks: 19
  unique citations: 11
  monthly pageviews: 3
  yearly pageviews: 19
  pageview trend:
    m: 2026-08
    v: 3
  pageview trend:
    m: 2026-07
    v: 1
  pageview trend:
    m: 2026-06
    v: 7
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-05
    v: 2
  pageview trend:
    m: 2026-04
    v: 3
  pageview trend:
    m: 2026-04
    v: 2
  popularity:
    sitelinks: 19
    max: 423
    pct: 4.5
  tier: established
claims:
  P31:
    value: Q16521
    source count: 0
    confidence: 0.0
    value label: taxon
  P105:
    value: Q7432
    source count: 1
    confidence: 0.2
    value label: species
  P141:
    value: Q278113
    source count: 1
    confidence: 0.2
    value label: Vulnerable
  P171:
    value: Q955683
    source count: 1
    confidence: 0.2
    value label: Natrix
  P225:
    value: Natrix megalocephala
    source count: 1
    confidence: 0.2
  P373:
    value: Natrix natrix
    source count: 0
    confidence: 0.0
  P627:
    value: 14367
    source count: 1
    confidence: 0.2
  P646:
    value: /m/02w9j5j
    source count: 0
    confidence: 0.0
  P685:
    value: 1301940
    source count: 1
    confidence: 0.2
  P815:
    value: 700798
    source count: 1
    confidence: 0.2
  P830:
    value: 791394
    source count: 1
    confidence: 0.2
  P846:
    value: 6161367
    source count: 1
    confidence: 0.2
  P1813:
    value:
      lang: mul
      text: N. megalocephala
    source count: 1
    confidence: 0.2
  P1843:
    value:
      lang: en
      text: Colkhis Water Snake
    source count: 1
    confidence: 0.2
  P1843:
    value:
      lang: en
      text: Large-headed Water Snake
    source count: 1
    confidence: 0.2
  P2892:
    value: C3731051
    source count: 1
    confidence: 0.2
  P3151:
    value: 29338
    source count: 0
    confidence: 0.0
  P3240:
    value: NHMSYS0000375635
    source count: 1
    confidence: 0.2
  P5055:
    value: 11288065
    source count: 1
    confidence: 0.2
  P6177:
    value: 8641
    source count: 1
    confidence: 0.2
  P9157:
    value: 4121172
    source count: 1
    confidence: 0.2
citations:
  source: Integrated Taxonomic Information System
  stated in qid: Q82575
  pub year: 2006
citations:
  source: The IUCN Red List of Threatened Species 2021.2
  stated in qid: Q108765945
  retrieved: 2021-10-07

source: IUCN Red List
stated in qid: Q32059
retrieved: 2016-07-10

source: Taxonomy database of the U.S. National Center for Biotechnology Information
stated in qid: Q12159796
retrieved: 2015-11-13

source: Encyclopedia of Life
stated in qid: Q82486
retrieved: 2014-10-31

source: Global Biodiversity Information Facility
stated in qid: Q1531570
retrieved: 2015-05-21

source: UMLS 2023
stated in qid: Q118645236
retrieved: 2023-06-19

source: National Biodiversity Network
stated in qid: Q6970988
retrieved: 2016-10-06

source: Interim Register of Marine and Nonmarine Genera
stated in qid: Q51885189
retrieved: 2018-05-30

source: European Nature Information System
stated in qid: Q374924
retrieved: 2018-12-29

source: Open Tree of Life reference taxonomy version 3.6
stated in qid: Q124708476
retrieved: 2024-03-27

wikidata id: Q1401237
domain: taxon
level: standard
html url: https://4ort.xyz/entity/large-headed-water-snake
markdown url: https://4ort.xyz/entity/large-headed-water-snake.md
facts url summary: https://4ort.xyz/entity/large-headed-water-snake/facts.json
facts url standard: https://4ort.xyz/entity/large-headed-water-snake/facts.json
facts url full: https://4ort.xyz/entity/large-headed-water-snake/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-26T00:35:26.295539Z
entity updated at: 2026-05-03T18:28:36.114423+00:00Z
entity created at: 2026-04-10T23:22:04.406369+00:00Z