12/06/2026
NORTHERN BLUETONGUE LIZARD
The Northern Bluetongue Lizard (Tiliqua scincoides intermedia) is one of Australia's most recognisable reptiles, famous for its brilliant blue tongue and calm temperament. Despite their intimidating display when threatened, these fascinating lizards are generally gentle creatures and play an important role in maintaining healthy ecosystems.
Scientific Name
Tiliqua scincoides intermedia
Distribution & Habitat
Northern Bluetongues are found across northern regions of Australia, including parts of Western Australia, the Northern Territory and Queensland. They thrive in a variety of habitats including open woodlands, grasslands, shrublands and even suburban gardens where shelter and food are available.
Size
Adults can grow up to 60 centimetres in length and are among Australia's largest skink species.
Diet
Northern Bluetongues are omnivores and enjoy a varied diet consisting of:
• Insects
• Snails and slugs
• Flowers
• Fruits and berries
• Fungi
• Small vertebrates
Defence Mechanism
When threatened, the Northern Bluetongue opens its mouth wide to reveal its bright blue tongue. This startling display can confuse predators and encourage them to back away. They may also hiss loudly and puff up their bodies to appear larger and more intimidating.
Reproduction
Unlike many reptiles that lay eggs, Northern Bluetongues give birth to live young. Females can produce between 5 and 20 babies in a single litter, with the young being independent from birth.
Conservation Status
Least Concern
Although populations remain stable, Northern Bluetongues can still be affected by habitat loss, vehicle strikes, domestic pets and illegal collection from the wild.
Why Are They Important?
Northern Bluetongues help control insect and snail populations and contribute to the balance of Australia's ecosystems. They also play an important role in educating people about reptile conservation and the importance of protecting native wildlife.
Fun Fact
A Bluetongue's tongue can be so brightly coloured that predators often mistake it for a warning sign that the lizard may be venomous—even though Bluetongues are completely harmless to humans.
Have you ever encountered a Northern Bluetongue in the wild or in your backyard? We'd love to hear your stories in the comments!
Together, we can give wildlife a voice.