are adders poisonous
Common adder Facts. Common adder is a type of poisonous snake. There are three subspecies of adder that can be found in Western Europe, East Asia and throughout the Arctic Circle. Adder is the only poisonous snake in England. Adders may survive in different habitats and climates.They are usually seen in grasslands, forests, swamps, wetlands, rocky slopes and semi-deserts.dder is the only poisonous snake in England. Adders may survive in different habitats and climates. They are usually seen in grasslands, forests, swamps, wetlands, rocky slopes and semi-deserts.