Regional Morphology
This is relevant for Vipers in The Far East.
Morphological identification key
| Viperinae | ||||||||||||||||||||||||
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Are there at least 3 (up to 9) large shields on the top of the head? |
yes
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Did the accident occur north of the 35th parallel?
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yes
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Vipera berus or Vipera renardi
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| no | Azemiops feae | |||||||||||||||||||||||
| no
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