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Species · Reptiles

Common adder

Vipera berus

7,996Records since 2000
AprilPeak month
71Counties with records
Least ConcernIUCN Red List

When it is recorded

Jan17
Feb240
Mar1,179
Apr1,650
May1,172
Jun1,132
Jul840
Aug882
Sep503
Oct204
Nov25
Dec18

GBIF records by month, 2000–2025 (all years combined).

Where it is recorded

#CountyNationRecordsShare
1North Ayrshire Scotland379
2Highland Scotland355
3Devon England325
4Suffolk England307
5Cornwall England256
6Swansea Wales208
7Pembrokeshire Wales198
8Dorset England196
9North Yorkshire England190
10Cumbria England187
11Norfolk England165
12Dumfries and Galloway Scotland155
13Kent England152
14Essex England138
15Surrey England122
5,380 England1,572 Scotland1,040 Wales

Records per county (GADM level 2) and per nation; one record can count towards several areas. 71 counties in all.

About this species

Records since 2000
7,996
Peak month
April
Counties with records
71
IUCN Red List
Least Concern
Scientific name
Vipera berus
Also known as
Adder
Group
Reptiles
NBN Atlas records since 2000
7,436
Conservation designations
Wildlife and Countryside Act 1981, Bern Convention, Global Red List (JNCC), Scottish Biodiversity List, GB Red List (2001 IUCN criteria), Biodiversity List – England, Biodiversity List – Wales, UK BAP priority species
Kingdom
Animalia
Phylum
Chordata
Class
Squamata
Family
Viperidae
Genus
Vipera
Name with authority
Vipera berus (Linnaeus, 1758)
Described
1758
Contributing datasets
27

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q192056 · GBIF 5960862