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A gray common blue-tongued skink sticking out its blue tongue while being held.
Photo: Doug Beckers, CC BY-SA 2.0, via Wikimedia Commons

Common Blue-Tongued Skink

Tiliqua scincoides

A chunky Australian lizard that sticks out a bright blue tongue to scare predators.

About the Common Blue-Tongued Skink

Common blue-tongued skinks are heavy-bodied lizards up to 2 feet long, with short stubby legs and a flat, triangular head. They can be silver, yellow, brown or black with darker bands. They live in savannas, grasslands, semi-deserts, woodlands and scrub in Australia, Tasmania and New Guinea. They eat insects, snails, worms, small reptiles, fruit, berries, flowers, fungi and carrion.[1]

Quick facts

Scientific name
Tiliqua scincoides[2]
Size
Up to 2 feet long.[1]
Lifespan
12 to 20 years in the wild.[1]
Diet
Omnivore. Insects, snails, worms, small reptiles, fruit, flowers, fungi and carrion.[1]
Habitat
Savanna, grassland, semi-desert, woodland and scrub.[1]
Where it lives
Australia, Tasmania and New Guinea.[1]
Group life
Solitary. Active during the day.[1]
Babies
10 to 15 live-born young.[1]
Conservation status
Least Concern (IUCN Red List, assessed 2017).[2]

Fun facts

  • A blue-tongued skink scares predators by flashing its blue tongue.[1]
  • Skinks can drop their tails and grow new ones.[1]
  • Blue-tongued skinks give birth to live young.[1]

Vocabulary

skink
A smooth, shiny lizard, often with short legs.
cold-blooded
Having a body temperature that changes with the surroundings; also called ectothermic.
bask
To lie in the sun to warm up.
ovoviviparous
Making eggs that hatch inside the mother, so the babies are born alive.
least concern
A conservation label meaning a species is widespread and not at risk of dying out soon.

See it in person

These zoos had this animal when we gathered our information, but animals sometimes move. Check the zoo's website or contact the zoo before you visit.

Sources

  1. [1] Oakland Zoo. “Common Blue-Tongued Skink.” https://www.oaklandzoo.org/animals/common-blue-tongued-skink/ (accessed 2026-10-02)
  2. [2] IUCN Red List of Threatened Species. “Tiliqua scincoides (Common Bluetongue).” https://www.iucnredlist.org/species/109481538/109481555 (accessed 2026-10-02)

Facts last checked 2026-10-02.

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