This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Cutted and tags added. The original can be viewed here: TwoMaleAdders.JPG: . Modifications made by B kimmel.
English: Adder scutes scheme
Parietal
Frontal
Supraocular
Internasal
Rostral
Labial
Nasal
Mental
Postnasal
Nederlands: Schubben van de kop van de adder
Parietaal
Frontaal
Supraoculair
Internasaal
Rostraal
Labiaal
Nasaal
Mentaal
Postnasaal
Русский: Щитки головы обыкновенной гадюки
Теменной
Лобный
Надглазничный
Апикальные
Межчелюстной
Верхнегубные
Носовой
Подбородочный
Носочелюстной
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2007-01-22T20:33:49Z Viridiflavus 800x607 (374452 Bytes) {{Information |Description=Two male Adders in close synchronization at the start of the mating season |Source=Own work |Date=March 26. 2006 |Author=Piet Spaans |Permission= |other_versions= }}
{{Information |Description=Two male Adders (Vipera berus) in close synchronization at the start of the mating season |Source=*File:TwoMaleAdders.JPG |Date=2009-03-08 13:59 (UTC) |Author=*File:TwoMaleAdders.JPG: Piet Spaans *derivative work: ~~