One of the 12 vipers on WAnimals

Reptiles · Squamata · Viperidae
Vipera seoanei
It could become threatened in the near future if current threats go unchecked.
It is all but endemic to the Iberian Peninsula and remarkably polymorphic, with as many as five recognised colour patterns.
Weight
279 g on average
Size
60 cm – 80 cm
Life expectancy
10 years
Diet
Carnivore
Feeds mainly on other animals.
Activity
Diurnal
Active mainly during the day.
Social structure
Solitary
Lives and hunts alone, joining others only to breed.
AI-generated images: illustrations, not photographs.
Sources consulted: World Species · Snakes and Lizards · IUCN Red List API · Animalia.bio (Seoane's Viper) · Citizendium · Parque de la Naturaleza de Cabárceno · PMC (venomics Iberian adder study)
Best time: From March to October, in mid-morning, on heaths, meadows and field edges of the Cantabrian coast and northern Portugal.
The pins mark the parks where its presence is documented.
Parks and dive sites where this species has been documented — showing 10 of 19.
Other species in the catalogue with the most in common with Seoane's Viper — same habitat, park, country, tags or family.
Based on what we already know about seoane's viper.