Snake Identifier

How to Identify the Barkly Tableland Death Adder (Identification Guide)

A short, heavy-bodied ambush predator from northern Australia's black-soil plains, identified by its triangular head, banded pattern, and thin worm-like tail tip used as a lure.

Read the full Barkly Tableland Death Adder encyclopedia entry →
How to Identify the Barkly Tableland Death Adder (Identification Guide)
Acanthophis hawkei 188041581 by Max Tibby, via Wikimedia Commons, licensed under CC0

Key identifying features

The Barkly Tableland Death Adder is a short, thickset viper-like elapid endemic to the black-soil grasslands of the Barkly Tableland region in the Northern Territory. It shares the classic death adder body plan: a stout, flattened body, a broad triangular head that is distinctly wider than the neck, and a thin, worm-like tail tip that it wriggles as a lure to attract prey. Its dorsal scales are rough and keeled, giving the body a coarse texture unlike the smooth-scaled pythons or colubrids it may be confused with.

Coloration & pattern

Base coloration tends toward reddish-brown, grey-brown, or pale sandy tones, overlaid with a series of darker crossbands running the length of the body. These bands are often irregular in width and may be broken or blotchy rather than perfectly uniform, helping the snake blend into the cracking black-soil plains and tussock grasslands it inhabits. The tail is typically darker or contrastingly pale at the very tip, which enhances the lure effect during ambush hunting.

Head, eyes & scales

The head is broad, triangular, and clearly demarcated from a narrow neck, a hallmark of death adders generally. Eyes are relatively small with vertically elliptical pupils, consistent with an ambush-hunting, largely nocturnal to crepuscular lifestyle. Scales along the back are heavily keeled and rough to the eye, unlike the smooth glossy scales of many other Australian snakes. The head scales are small and irregular rather than large and symmetrical plates.

Size & body shape

This is a small to medium-sized snake, generally reaching around 40 to 60 centimeters in total length, occasionally slightly more. The body is notably stout and thick relative to its length, tapering abruptly to a short, thin tail. This body shape, short and heavy rather than long and slender, is one of the fastest ways to distinguish death adders from other Australian elapids at a glance.

Range & habitat where you'll see it

As its name suggests, this species is restricted to the Barkly Tableland region of the Northern Territory, extending into similar habitat in adjacent parts of Queensland. It favors open black-soil plains, cracking clay grasslands, and tussock grassland habitats, where it lies partially buried or hidden among grass and soil cracks, ambushing passing prey rather than actively foraging.

How to tell it apart from look-alikes

The Barkly Tableland Death Adder can be confused with other death adder species, such as the Common Death Adder or Northern Death Adder, but its distribution is more restricted to the black-soil tableland habitat, and it tends to show a paler, more sandy or reddish base color suited to that environment. It differs from pythons of similar girth by its rough keeled scales, triangular head, and thin lure-like tail tip, whereas pythons have smooth scales and a tail that tapers more gradually without a whip-like tip. Its short, thick build separates it immediately from long, slender elapids such as whip snakes or brown snakes.

Frequently asked questions

What is the most reliable way to identify a death adder in the field?

Look for the combination of a short, thick body, a broad triangular head clearly wider than the neck, rough keeled scales, and a thin worm-like tail tip, all together in one snake.

How does the Barkly Tableland Death Adder differ from other death adders?

It is largely distinguished by its restricted range on the black-soil plains of the Barkly Tableland, along with a coloration that tends toward paler, sandy or reddish tones suited to that open grassland habitat.

Is this snake venomous?

Yes, death adders including this species are venomous elapids, though identification here focuses purely on visual field marks rather than any medical guidance.

Could this snake be mistaken for a python?

Unlikely on close inspection, since pythons have smooth glossy scales and a gradually tapering tail, while this species has rough keeled scales and an abrupt, thin, lure-like tail tip.