Wildpulse
Photo: Piet Spaans, CC BY-SA 2.5, Wikimedia Commons
The Adder (Vipera berus) belongs to the group Reptiles. Wildpulse holds 38,502 reporting days in 2,411 map cells (hexagons about 14 miles / 22 km across) from open data by iNaturalist and GBIF.
Most reporting days are in Sweden (7,582), United Kingdom (5,429), Norway (3,459) and Russia (2,974).
The Adder is reported all year round, most often in May (18 % of reporting days). This shows when people observe and report the species, not necessarily when it is most present.
The latest report in our data is from November 4, 2026.
View on the map →Where is the Adder reported?
When is the Adder reported?
This is just a snapshot – see more on the map
The Wildpulse map shows all animals and sightings worldwide: zoom in to single reports, see what has been reported near you, watch live, and report an animal yourself. You never need a password.
More sightings of the Adder →Open the Wildpulse map