Meet 12 dangerous snakesthat all call Queensland
Transcription
Meet 12 dangerous snakesthat all call Queensland
the deadly dozen Meet 12 dangerous snakes that all call Queensland home. Queensland has 88 land snakes, and some of them are considered capable of killing humans. One of them – the western taipan – carries the reputation of having the most toxic venom of any land snake in the world. But never fear, the western or inland taipan is only found in a pocket away from humans near the Qld-SA border and is not known to have killed anyone. In fact, the eastern brown snake – found all over the state – is responsible for the most bites. But the coastal taipan – with the longest fangs of any Australian snake and a reputation for multiple, efficient strikes – is the most likely to exact a lethal hit. As summer approaches, expect to find more snakes lurking around your home, bush and farmland. But remember, if you leave snakes alone, they won’t want to hurt you. Coastal Taipan (Oxyuranus scutellatus) Mulga Snake (Pseudechis australis) Death Adder (Acanthophis antarcticus) Western Taipan (Oxyuranus microlepidotus) Length: Grows to 2.9m Length: 3m. Heavy built, it is Australia’s heaviest venomous snake Length: Growing to 75cm, it has a stocky body Length: Grows to 2m Back colour: Light olive to dark russet brown, but sometimes dark grey to black Back colour: Varies from brown to olive-green Back colour: Pale to very dark brown, often marked with dark flecks Belly colour: Cream and unmarked Back colour: Shades of grey to reddish brown, usually marked with lighter bands Belly colour: Cream, usually marked with orange or pink flecks Head: Wide head Belly colour: Greyish to cream Head: Glossy black Head: Lighter face with reddish eyes and angular brow Found: Throughout most of Qld but it has declined in some coastal areas including the south. Prefers dry open forests and grassland Head: Arrow-shaped Tail: Tip is thin and ends with a short spine Found: In a pocket between Boulia and Hamilton in far western Qld, in the border region with South Australia. They live on the ashy downs of Cooper Creek and the Diamantina and Georgina rivers Found: Entire Qld coastal regions in open forests, dry closed forests, coastal heaths, grassy beach dunes or open farm areas like cane fields Venom: An aggressive species, it is the third most toxic land snake in the world, with potent neurotoxic venom, and has killed many people Venom: The largest venom output of any snake, it is a ready biter responsible for human deaths. Found: Eastern Qld from Townsville to the border and central interior, excluding far north. Lives in wet and dry eucalypt forests, woodlands and coastal heaths Venom: An ambushing predator, it conceals itself motionless in leaf litter and has been responsible for human deaths. Effective bites can result in paralysis that may be fatal Belly colour: Mustard yellow and may have orange flecks Venom: The world’s most venomous land snake with a venom three times as toxic as the coastal taipan. There have been no human deaths to date. All recorded bites have been to snake handlers Eastern Brown Snake (Pseudonaja textilis) Collett’s black Snake (Pseudechis colletti) Tiger snake (Notechis scutatus) Western Brown Snake (Pseudonaja nuchalis) Length: Grows to 2m Length: Heavily built, it grows to about 1.5m Length: Solidly built, it grows to 2m Length: grows to 1.6m Back colour: May be any shade of brown but also grey or black.Some are even banded Back colour: Reddish brown to black with large cream-to-reddish blotches forming irregular bands Back colour: Usually olive green to brown with numerous “ragged” crossbands Back colour: Highly variable. Can be any shade of brown and may be plain, but often patterned with darker flecks or bands. Belly colour: Typically cream with pink or orange spots Belly colour: Reddish to cream Belly colour: Cream to grey Belly colour: Cream with orange or grey spotting Juveniles: May be plain or banded and have distinctive head markings – a black blotch on the crown and a dark neck band Found: Central western Qld, in open grasslands and woodlands on cracking grey clays of the Mitchell Grass Downs and Channel Country Head: Large, flat head Head: Brown or black Found: All over Qld in all habitats except rainforest. It has adapted well to farmed, grazed and semi-urban lands Venom: A dangerously venomous species, bites have been associated with severe myotoxicity, renal failure and incoagulable blood Found: Southeast Qld in isolated populations — Carnarvon Ranges, Maryborough, Cooloola, Caloundra-Beerwah, Bunya Mountains, Border and Main Ranges — in moist areas such as rainforests, open forests and river floodplains Found: Pockets of far north Qld and most of the western interior to the borders, in dry open forests, grasslands and scrublands Venom: Can be pugnacious when provoked and rear up in an S-shape. Dangerously venomous – resulting in progressive paralysis and incoagulable blood – it has killed humans Venom: Winds its body into an “S’’ when attacking, it is dangerously venomous causing progressive paralysis and incoagulable blood Venom: One of the most common snake bites in Australia, along with brown snakes, has resulted in many human deaths Spotted Black Snake (Pseudechis guttatus) Red-bellied Black Snake (Pseudechis porphyriacus) Rough-scaled Snake (Tropidechis carinatus) Small-eyed Snake (Cryptophis nigrescens) Length: 1.5m Length: 2m Length: Grows to 1m Length: Grows to 1m Back colour: Black, dark grey or, occasionally, light brown and sometimes with light bands or blotches Back colour: Shiny, immaculate black back Back colour: Glossy dark grey to black Belly colour: Cream, but each scale has a dark hind edge, red on lower flanks Back colour: Dull brown to olive brown back with irregular bands or blotches across the body Belly colour: Grey, blue-grey or brownish Head: Brown snout tip Belly colour: Cream, sometimes with a greenish tinge Found: Coastal and sub-coastal areas of southeast Qld, black-soil plains and downs, eucalypt forests and woodlands, grasslands, pasture and cropped lands Found: North eastern Qld from Big Tableland to Mt Elliot; mid-eastern Qld in the Proserpine and Eungella regions; and from Gladstone through to NSW. Usually found in well-watered areas such as river and creek banks and swamps, rainforests, wet eucalypt forests and heaths Body: Scales on the back and sides have a pronounced, central ridge (keel) running along their length Venom: A shy snake, bites are infrequent and may cause severe local pain and regional swollen lymph nodes. Bites have not been known to cause human fatalities Venom: If threatened may flatten body and hiss loudly but not aggressive and will usually attempt to escape. Less venomous than many other Australian snakes Snake at your place? Here’s what do to Found: Northern population from Windsor Tableland to the Bluewater Range and a pocket from Fraser Island to NSW border, in rainforests, moist forests, heaths, pastures and regenerated forests Venom: Aggressive and may strike rapidly when provoked, it is a dangerously venomous species with strongly neurotoxic venom, responsible for at least one human death Do not What to do if someone is bitten attempt by a land or sea snake Snakes are protected and it is illegal to injure, catch or kill them. Most snake bites occur when people try to catch or kill them Call 000 or send for medical assistance If you encounter a snake: Encourage the patient to stay calm and still Walk away from it slowly, making no sudden movements, and keep an eye on it from a distance (several metres) Keep your pets safely away If the snake remains and you want it gone, call a snake catcher (call the DERM hotline 1300 130 372 for a local listing) Apply a pressure bandage to the affected limb Arm or forearm: Wrap Legs: Wrap over clothes from below the bite site, over clothes from fingers upwards as far as possible, upwards as high as possible, leaving toes open to check with elbow in bent position circulation, then wrap a but fingers exposed, then splint to the bandaged limb wrap a splint along forearm to catch or kill the snake Trunk: Apply firm pressure to the bitten area but do not restrict chest movement. Source: Australian Venom Research Unit Belly colour: Commonly pink with a line of dark grey spots, but can be cream with grey blotches Found: Very common in suburban Brisbane in well-mulched, wellwatered gardens and pockets along the coast, from southern Cape York Peninsula. Prefers rainforests, wet and dry eucalypt forests and heaths, farming and grazing lands Venom: Little is known of the toxicity, although illnesses have occurred, and there has been one fatality Source: Queensland Museum’s Snakes of South-East Queensland pocket guide available online at www.qm.qld.gov. au/shop Additional information: Australian Venom Research Unit NB: Not to be confused with most venomous snakes, as highly venomous snakes are sometimes less dangerous
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