Amphibolurus norrisi
Amphibolurus norrisi, commonly known as the Mallee heath dragon, is a semi-arboreal lizard endemic to Australia. It is characterized by its pale grey body with darker grey stripes and distinctive vertebral stripe. This species inhabits Mallee heathlands and is known for its ability to run bipedally when threatened.
Key Facts
- ›Endemic to Australia, found in western Victoria and parts of South Australia and Western Australia.
- ›Inhabits Mallee heathlands.
- ›Possesses a pale grey body with dark grey stripes and a prominent vertebral stripe.
- ›Capable of fast, bipedal running when escaping threats.
- ›Reproduction is oviparous (egg-laying).
- ›Classified as 'Least Concern' by the IUCN Red List.
Mallee Heath Dragon, Mallee Heath Lashtail, Mallee Heath Lashtail Dragon, Mallee Tree Dragon, Norris's Dragon, Norris' Dragon Lizard
Australia, Western Victoria, South Australia, Great Australian Bight, Western Australia
Mallee Habitat, Mallee Heathlands
- Predominantly Pale Grey Body With Darker Grey Stripes On the Flanks.
- One Darker Grey Vertebral Stripe With Lateral Extensions That Can Connect To Flank Stripes.
- Lateral Extensions of Vertebral Stripe Continue Onto the Tail, Becoming Cross Bands Near the Tip.
- Dark Streak From Snout To Ear; Light Streak From Behind the Eye To the Ear.
- Enlarged Vertebral, Paravertebral, and Dorsolateral Scales.
- Dorsal Scales Are Keeled and Parallel To Vertebral Scales.
- Snout-To-Vent Length Is Approximately 11 cm .
- Tail Length Is 200% of Svl.
Small Arthropods, Grasshoppers, Spiders, Beetles
- Semi-Arboreal
- Engages In Fast-Paced Bipedal Running When Threatened
- Resistant To Fire Events
About Amphibolurus norrisi
Amphibolurus norrisi, commonly known as the Mallee heath dragon, is a species of semi-arboreal lizard belonging to the Agamidae family and is endemic to Australia. This lizard is characterized by its distinctive coloration, primarily a pale grey body adorned with darker grey stripes along its flanks and a prominent vertebral stripe. This vertebral stripe often features lateral extensions that can merge with the flank stripes, sometimes reducing the visible lighter body color to smaller blotches. These extensions can also continue onto the tail, gradually transforming into cross bands towards its tip. A notable facial marking includes a dark streak extending from the snout to the ear, complemented by a lighter streak above it that runs from behind the eye to the ear.
The Mallee heath dragon is typically found within Mallee habitat, specifically in Mallee heathlands, in western Victoria and adjacent areas of South Australia, extending into coastal regions of the Great Australian Bight and a small portion of Western Australia. Physically, it possesses enlarged vertebral, paravertebral, and dorsolateral scales, with the dorsal scales being keeled and running parallel to the vertebral scales. The snout-to-vent length generally measures around 11 cm, with a tail length that is twice the SVL.
When faced with threats, Amphibolurus norrisi exhibits a remarkable ability to engage in rapid bipedal running. Its semi-arboreal lifestyle and adaptations also contribute to its resilience in fire-prone environments, a characteristic of its native habitat. While detailed literature on its diet is scarce, it is understood to consume small arthropods, with laboratory observations noting a preference for grasshoppers, spiders, and beetles, consistent with similar species in the Amphibolurus genus.
Reproductively, Amphibolurus norrisi is oviparous, meaning it lays eggs. The species is currently classified as 'Least Concern' under the IUCN Red List, indicating a stable population that does not currently warrant specific conservation efforts.
Source: Wikipedia ↗
Frequently Asked Questions
What are the common names for Amphibolurus norrisi?
Amphibolurus norrisi is known by several common names, including Mallee heath dragon, Mallee heath lashtail, Mallee heath lashtail dragon, Mallee tree dragon, Norris's dragon, and Norris' dragon lizard.
Where is the Mallee heath dragon found?
This lizard species is endemic to Australia, primarily found in western Victoria and neighboring areas of South Australia, extending along the coastal regions of the Great Australian Bight and into a small part of Western Australia.
What is the typical habitat of the Mallee heath dragon?
The Mallee heath dragon is usually confined to areas of Mallee habitat and is often found within Mallee heathlands.
What does the Mallee heath dragon look like?
It has a predominantly pale grey body with darker grey stripes on its flanks and a distinct darker grey vertebral stripe. A dark streak runs from its snout to its ear, with a lighter streak above it from behind the eye to the ear. It features enlarged keeled dorsal scales.
What is the diet of the Mallee heath dragon?
While specific literature is limited, it is believed to consume most small arthropods. Laboratory experiments suggest preferences for grasshoppers, spiders, and beetles, similar to other Amphibolurus species.
How does the Mallee heath dragon respond to fire?
As it is endemic to fire-prone areas, the Mallee heath dragon has evolved resistance to fire. Its semi-arboreal nature and bipedal running help it avoid smaller fires, though significant fire events can lead to reduced population sizes.
Is Amphibolurus norrisi endangered?
No, the Mallee heath dragon is classified as 'Least Concern' on the IUCN Red List. Consequently, no specific conservation efforts are currently being undertaken for this species.
Related Lizards
Agama impalearis
Agama bibronii, also known as Bibron's agama or the North African rock agama, is a medium-sized lizard found in northwestern Africa. Characterized by its greyish-green dorsal coloration with brown spots and a blue head with orange eye rims, males exhibit striking coppery-orange and purplish-blue breeding colors. This diurnal species inhabits rocky areas and is an omnivore, feeding on arthropods, small lizards, and plant material.
Chamaeleo dilepis
The flap-necked chameleon (Chamaeleo dilepis) is a large, arboreal lizard native to sub-Saharan Africa. It is known for its variable coloration, ranging from green to yellow and brown, and its distinctive flap-like crest along its neck. This species inhabits a variety of environments, including forests, savannahs, and woodlands, and plays a role in the international pet trade.
Frill-Necked Lizard
The Frilled-Necked Lizard, also known as the frilled dragon, is a distinctive lizard native to northern Australia and southern New Guinea. Its most notable feature is a large, expandable neck frill, which it uses to intimidate predators and communicate with other individuals. Primarily arboreal and diurnal, this species inhabits savannahs and woodlands, feeding mainly on insects and other invertebrates.