The western blue-tongued lizard (''Tiliqua occipitalis''), also known as the western blue-tongued skink, is a large skink native to Australia. It is one of six species of

blue-tongued skink Blue-tongued skinks comprise the Australasian genus ''Tiliqua'', which contains some of the largest members of the skink family (Scincidae). They are commonly called blue-tongued lizards or simply blue-tongues or blueys in Australia. As suggeste ...

s found in Australia, though further species are found in

New Guinea New Guinea (; Hiri Motu: ''Niu Gini''; id, Papua, or , historically ) is the world's second-largest island with an area of . Located in Oceania in the southwestern Pacific Ocean, the island is separated from Australia by the wide Torr ...

and

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...

. The western blue-tongued lizard grows to around 45 cm (18 in) in length. It has a brown, banded pattern across the body and tail; the underside of the body is usually pale. It has distinctive black markings to the rear of each eye. The body is wide and large in comparison to the size of the legs. As its name suggests, it has a blue tongue, which contrasts with the pink interior of its mouth. When threatened, it may open its mouth and stick out its tongue in a threat display. If the initial display is unsuccessful, and the predator or threat does not retreat, it may hiss and flatten out its body in an attempt to make itself look bigger. ... It is diurnal, hunting for

insect Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body ( head, thorax and abdomen), three ...

spider Spiders ( order Araneae) are air-breathing arthropods that have eight legs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk. They are the largest order of arachnids and rank seventh in total species ...

s, and

snail A snail is, in loose terms, a shelled gastropod. The name is most often applied to land snails, terrestrial pulmonate gastropod molluscs. However, the common name ''snail'' is also used for most of the members of the molluscan class G ...

s, and foraging for

plant Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclu ...

s (particularly berries) and carrion. It is not an agile lizard, so its prey tends to be slow-moving. It has powerful jaws which allow it break up snail shells and the

exoskeleton An exoskeleton (from Greek ''éxō'' "outer" and ''skeletós'' "skeleton") is an external skeleton that supports and protects an animal's body, in contrast to an internal skeleton (endoskeleton) in for example, a human. In usage, some of the ...

s of

beetle Beetles are insects that form the order Coleoptera (), in the superorder Endopterygota. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 400,000 describ ...

s. It is found in

grassland A grassland is an area where the vegetation is dominated by grasses ( Poaceae). However, sedge ( Cyperaceae) and rush ( Juncaceae) can also be found along with variable proportions of legumes, like clover, and other herbs. Grasslands occur na ...

s, dunes, shrublands, and sparse

woodland A woodland () is, in the broad sense, land covered with trees, or in a narrow sense, synonymous with wood (or in the U.S., the ''plurale tantum'' woods), a low-density forest forming open habitats with plenty of sunlight and limited shade (se ...

s. It rests under leaf litter or rocks at night, and sometimes uses abandoned rabbit burrows for shelter. Blue-tongued lizards are popular

pet A pet, or companion animal, is an animal kept primarily for a person's company or entertainment rather than as a working animal, livestock, or a laboratory animal. Popular pets are often considered to have attractive appearances, intelligence ...

s and can live for up to 30 years in captivity, though the western blue-tongued lizard is extremely uncommon as a pet, as it is one of the rarer species. They give birth to approximately 5 live young. The young consume the placental membrane immediately after birth, and are

precocious Precocious refers to earlier-than-normal development, as in a "precocious child". The term may also refer to: Films *''A Precocious Girl'' (German title: ''Csibi, der Fratz aka Früchtchen''), a 1934 Austrian comedy film *'' Precocious Youth'' (G ...

and disperse after a few days. They have bands of yellow and brown on their bodies and tails. The western blue-tongued lizard is found chiefly in

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...

. It is restricted to the far south in the

Northern Territory The Northern Territory (commonly abbreviated as NT; formally the Northern Territory of Australia) is an Australian territory in the central and central northern regions of Australia. The Northern Territory shares its borders with Western Aust ...

, and divided into an eastern and western population in

South Australia South Australia (commonly abbreviated as SA) is a state in the southern central part of Australia. It covers some of the most arid parts of the country. With a total land area of , it is the fourth-largest of Australia's states and territories ...

. It is listed as "Near Threatened" in

Victoria Victoria most commonly refers to: * Victoria (Australia), a state of the Commonwealth of Australia * Victoria, British Columbia, provincial capital of British Columbia, Canada * Victoria (mythology), Roman goddess of Victory * Victoria, Seychelle ...

, where it is restricted to the north, and "Threatened" in

New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...

, where it exists as a population to the southwest and in a pocket in the centre of the state. Threats to the species include predation by introduced species such as the red fox and domestic cat, clearance of habitat for agriculture, and destruction of the rabbit warrens used for shelter.

Relatives

The western blue tongued lizard is related to the Tiliqua scincoides scincoides, or the eastern blue tongued skink

References

* * * {{DEFAULTSORT:Western Blue-Tongued Lizard Reptiles of Western Australia Reptiles described in 1863 Skinks of Australia Tiliqua Taxa named by Wilhelm Peters