Reptile
Adder
Vipera nikolskii · Viperidae
Best monthsApr–Junmost records
Records285in 4 countries
Most seen inRussia142 records
Red List–IUCN status
About
Adder in brief
The adder (Vipera nikolskii) is a reptile of the Viperidae family — species of reptile.
Across the 4 countries we cover it has 285 published records, most of them from Russia, Ukraine and Romania. It is strongly seasonal: records peak in April, May and June and fall to their lowest in February and December.
Records by month
All countries combined · the strongest months highlightedJFMAMJJASOND
Where & when
When to look in each country
Russia142 records · best May, Apr
Ukraine124 records · best May, Jun
Romania18 records · best May, Apr
Moldova1 records · best Sep, Jan
Map
Where it has been recorded
Density of published records; brighter cells have more records.
Relatives
All reptilesMore of the Viperidae family
Photo: Gary Stolz (original) · Public domain · Wikimedia CommonsReport this photo · linked, not stored
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