One of the 9 wall lizards on WAnimals

Reptiles · Squamata · Lacertidae

Viviparous Lizard

Zootoca vivipara

Least Concern

The species is abundant and widely distributed; it faces no significant short-term risk. See full glossary

It is the only non-marine reptile whose range reaches the Arctic Circle, surviving in subarctic climates where no other lizard or snake can.

Weight

2 g – 5 g

Size

12 cm – 18 cm

Lifespan

6 years

Diet

Insectivore

Feeds mainly on insects and other invertebrates.

Activity

Diurnal

Active mainly during the day.

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Sighting difficulty

Easy

46countries179parks13same family

Fun facts

  • It is the northernmost non-marine reptile in the world, reaching the Arctic Circle.
  • It has both live-bearing and egg-laying populations within one species, depending on the region.
  • Its young free themselves from a transparent membrane 15 to 30 minutes after birth.

Life cycle & biology

Skeleton type
Vertebrate - internal bony skeleton (reptile)
Habitat & environment
Heath, peat bog, damp woodland and grassland across much of Eurasia; the northernmost non-marine reptile in the world
Birth weight
Exact weight at birth not found as a precise figure
Size at birth
Precocial, wrapped in a clear membrane it frees itself from 15-30 minutes after birth
Sexual maturity
Male: 2 years | Female: 3 years
Gestation / incubation
Gestation varies with temperature; the young born live (viviparity) in most populations
Litter / clutch size
5 to 8 young per litter (most commonly 7-8)

Sources consulted: Animal Diversity Web; IERS; iNaturalist Pyrenees Biodiversity; AnAge (genomics.senescence.info); The Animal Facts; Animalia.bio; Wildlife Online; PMC (mitochondrial DNA survey, sexual size dimorphism study)

Where to watch it

Parques y spots de buceo donde se ha documentado esta especie — se muestran 10 de 179 documentados.

Related species

Other species in the catalogue with the most in common with Viviparous Lizard — same habitat, park, country, tags or family.

Keep exploring

Based on what we already know about viviparous lizard.

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