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Down Under Dragons by Dontknowwhattodraw94 Down Under Dragons by Dontknowwhattodraw94
Some giant monitors that roam(ed) Australia.

Bullet; Orange Varanus giganteus - Perentie

The largest modern Varanid in Australia. With an average length of about 2 meter and a maximum size of 2,5 meters it's quite a huge reptile already, but it gets beaten by water monitors, crocodile monitors and Komodo dragons in terms of size. Also they are quite slender in build which makes them good speedsters. They're good diggers too and have the habit of standing on their hindlimbs in tripod stance to have a better look of their surroundings. They also have a beautiful colour pattern.
In Dutch they're called "reuzenvaraan" which means "giant monitor lizard". A literal translation of the scientific name, but sadly, when perenties were named, we hadn't yet discovered the biggest lizard of today...

Bullet; Orange Varanus komodoensis - Komodo dragon

A maximum size of 3,1 meters and a maximum weight of over 150 kg, osteoderms beneath its skin and a venomous bite*.
Komodo dragons are the largest lizards of today and are only found on a handful of Indonesian islands. However they originated on mainland Australia and spread westwards through time. 300 000 years ago they went extinct in Australia.
They aren't a result of insular gigantism as was once thought, they were already huge when they arrived on islands such as Flores. I also heard they were actually larger on Australia which makes them a case of insular dwarfism, but can't find any sources for that. If somebody knows more, feel free to comment about it. If not, don't take that last sentence as truth yet.

Bullet; Orange Varanus priscus - "Megalania"

First known as Megalania prisca and later renamed, but everyone knows this guy as Megalania so I guess it makes a good common name.
The largest lizard ever with size estimates running up to 7 meters. However, I'm going to stick with a more conservative estimate of about 5 meters. Notice the little crest on its skull.
Megalania lived together with Komodo dragons and perenties for a while, hunting the megafauna of Pleistocene Australia before going extinct some 40 000 years ago after Homo sapiens arrived. In contrary to what some might believe it isn't possibly still alive.
Also, since this thing very likely was venomous it was the largest venomous animal to have ever lived.



*A 2006 study talks about the discovery of venom toxins in Varanidae and Iguania which means their venom had an early origin basal for snakes, iguanians and anguimorphs because those form a clade together.

Now I haven't found a phylogenetic tree yet for Mosasauridae in Squamata, but since those things are close to monitor lizards... giant venomous marine reptiles, anyone?
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:icondinoswarsrawesome:
DinoswarsRAwesome Featured By Owner 6 days ago
I love how you included Steve Irwin
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:iconlibra1010:
Libra1010 Featured By Owner May 24, 2017
 As if the Age of Giant Reptiles weren't terrifying enough, now I learn that some of them were AUSTRALIAN Giant Reptiles!?! (and presumably just as aggressively double-tough as one might expect).:o (Eek) 
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:iconrahula87:
Rahula87 Featured By Owner May 9, 2017  Hobbyist Traditional Artist
Steve Irwin is my spirit animal!
Great infos by the way :)
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:iconflipplenup:
FlippleNup Featured By Owner Apr 21, 2017  Hobbyist Traditional Artist
Steve Irwin was my Jesus.
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:iconawesomeelephant:
awesomeelephant Featured By Owner Apr 10, 2017  Hobbyist Traditional Artist
It makes so much sense now. I never really understood the name of Varanops until now. Sorry, but something I noticed. I'm sorry and enjoy the rest of your day.
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:iconcatwithoutatail:
Catwithoutatail Featured By Owner Mar 27, 2017
Is the human silhouette based on Steve Irwin?
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:icondontknowwhattodraw94:
Dontknowwhattodraw94 Featured By Owner Mar 28, 2017  Hobbyist Traditional Artist
Yes.
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:iconcatwithoutatail:
Catwithoutatail Featured By Owner Mar 29, 2017
Appropriate. :)
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:iconscrewyoumimus:
Screwyoumimus Featured By Owner Mar 27, 2017
Crikey!
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:iconacepredator:
acepredator Featured By Owner Mar 1, 2017
I bet Irwin will go up against megalania if neither were dead (RIP to both)
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:icondontknowwhattodraw94:
Dontknowwhattodraw94 Featured By Owner Mar 2, 2017  Hobbyist Traditional Artist
Definitely. That'd be the most Australian thing ever.
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:iconacepredator:
acepredator Featured By Owner Mar 2, 2017
That should be broadcast live if it ends up happening in some other reality
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:icontrendorman:
Trendorman Featured By Owner Feb 27, 2017  Student Traditional Artist
STEEEVEEEE TAKE EM DOWN!!
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Flagged as Spam
:icondontknowwhattodraw94:
Dontknowwhattodraw94 Featured By Owner Mar 1, 2017  Hobbyist Traditional Artist
Steve Irwin actually.
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:iconprincetarbos:
Princetarbos Featured By Owner Feb 4, 2017
Part of me is kind of glad there extinct. Because if I saw one out in the wild, all I could say is...... youtu.be/9IiHRSBAMwU
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:icontheprimevalartist:
ThePrimevalArtist Featured By Owner Edited Jan 30, 2017  Hobbyist General Artist
Is that Steve Irwin, it is..it's the mighty Steve Irwin. pug scream intensifies 
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Flagged as Spam
:iconbealmeister:
Bealmeister Featured By Owner Feb 28, 2017  Hobbyist General Artist
Sorry to say, but I do believe that is Steve Irwin. The reptiles represented here are Australian or Indonesian in origin, so it makes sense to use Steve Irwin as he was always the one to go after them. But I can see how it can be confused with Shia LaBeouf.  
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Flagged as Spam
:iconbealmeister:
Bealmeister Featured By Owner Mar 1, 2017  Hobbyist General Artist
I know, just do it. No worries.
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:iconcandelediva:
candelediva Featured By Owner Apr 9, 2017
Who was the person that was marked as spam?
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:iconbealmeister:
Bealmeister Featured By Owner Apr 9, 2017  Hobbyist General Artist
I think the person mistook Steve Irwin for Shia LaBeouf in his "Do it!" video.
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:iconcandelediva:
candelediva Featured By Owner Apr 9, 2017
And how did his comments get removed?
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(1 Reply)
:iconjurassiczilla:
Jurassiczilla Featured By Owner Jan 28, 2017  Student Artist
Is that silhouette Steve Irwin?
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:icondontknowwhattodraw94:
Dontknowwhattodraw94 Featured By Owner Jan 29, 2017  Hobbyist Traditional Artist
Yup!
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:iconjurassiczilla:
Jurassiczilla Featured By Owner Jan 29, 2017  Student Artist
I love that guy
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:icongrisador:
grisador Featured By Owner Jan 26, 2017
Its good to know; both giganteus and komodo are capable of reaching megalania's size if they let evolved naturaly; maybe after humans ?
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:icondontknowwhattodraw94:
Dontknowwhattodraw94 Featured By Owner Jan 26, 2017  Hobbyist Traditional Artist
I don't really understand your comment... Can you repeat?
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:icongrisador:
grisador Featured By Owner Jan 26, 2017
I mean with time and without humans; both of the monitor lizard species could evolve to a new megalania like species
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:icondontknowwhattodraw94:
Dontknowwhattodraw94 Featured By Owner Jan 26, 2017  Hobbyist Traditional Artist
Depends on what prey is available. For Komodos there's not enough room to reach such a size and for perenties I don't know. You have invasive wild boar and buffalo in Australia...
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:icongrisador:
grisador Featured By Owner Apr 17, 2017
True; But there's more than enough room in Australia; so maybe ? 

Yes. I read; İnvasive species like Anaconda & Phyton (in florida) and Some Frogs species in Australia grew far too Big than normal
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:iconwdghk:
WDGHK Featured By Owner Edited Jan 25, 2017  Hobbyist Traditional Artist
Something people tend to forget about large reptiles is that they have a tendency to show great variation in size, with the average member of a species growing to a more conservative size, while more raerly there will be exeptionally large individuals who reach the "maximum size" . Correct me if I`m wrong but I think this has something to do with how  reptiles never quite stop growing troughout their life, but not many live long enough to reach that maximum size.

Like how the average Nile crocodile is around 3-4 m long, but exeptionally large (and old) individuals reach 6 m, similarly many large constrictors also show this trend, and likewise Komodo dragons are typically around 2,5 m long with very few reaching 3,1 m. Maybe V.priscus was similar , averaging 4,5-5 m but with the potential to reach 6-7 m. :P (Lick) 


I can imagine a bunch of 15-17 footers going into a feeding frenzy over a Diprotodon carcass before a 23 foot veteran appers and takes ownership over the carcass.:P (Lick) 
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:icondontknowwhattodraw94:
Dontknowwhattodraw94 Featured By Owner Jan 25, 2017  Hobbyist Traditional Artist
Indeed, maybe those 7 meter estimates might have a bit of ground.

I wonder if hatchling V. priscus also were arboreal like Komodo dragons to limit competition with older individuals.
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:iconsaberrex:
Saberrex Featured By Owner Jan 24, 2017  Hobbyist General Artist
What do you think would happen if Komodos were reintroduced to their old Australian haunts?
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:icondontknowwhattodraw94:
Dontknowwhattodraw94 Featured By Owner Jan 25, 2017  Hobbyist Traditional Artist
Probably some good wild boar population decline (I hope). Dingos aren't enough.
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:iconsaberrex:
Saberrex Featured By Owner Jan 25, 2017  Hobbyist General Artist
True. :iconwdghk: doesn't really agree with my support of the theory of a possible reintroduction to their old haunts, but hey, I guess to each his own. He might be right and he might not. I respect his opinion regardless. Frankly, I think they'd lessen the impact of those unwanted foxes, camels, goats, banteng, feral cats, rabbits and those nasty and rather vicious dingo-dog hybrids that are replacing the true dingos across many areas of Australia.
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:icondontknowwhattodraw94:
Dontknowwhattodraw94 Featured By Owner Jan 26, 2017  Hobbyist Traditional Artist
Indeed, a combination of dingos and Komodo dragons might the best atm. After all Komodos are better suited in bringing down large prey like buffalo than dogs. (or at least, I think that)
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:iconsaberrex:
Saberrex Featured By Owner Jan 28, 2017  Hobbyist General Artist
Possibly.
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:iconacepredator:
acepredator Featured By Owner Jan 26, 2017
Not to mention that u like what :iconwdghk: claims, the niche of large terrestrial predator HAS NOT been filled. It hasn't fixed itself and will never be fixed until we actually recognize that it was human involvement that did the messing up.

Not to mention every single one of his arguments for why humans couldn't have caused global megafauna extinction are fully disproven (modern hunter-gatherer societies aren't good cultural analogues to humanity back then, especially since even chimpanzees can drive populations of other species into extinction)
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:icondontknowwhattodraw94:
Dontknowwhattodraw94 Featured By Owner Jan 27, 2017  Hobbyist Traditional Artist
Who says I like his arguments? Who says I like yours? Maybe I'm just asking opinions about it all, because I want to hear as much as possible about it.
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:iconwdghk:
WDGHK Featured By Owner Jan 29, 2017  Hobbyist Traditional Artist
Please ,for the love of everything, just ignore acepredator, this guy has some severe issues to put it lighty. I`m not trying to attack him or anything, I`m just trying to warn people that he`s an unstable individual obssesed with the whole Pleistocene overkill theory who throws tantrums and spams people who disagree with him on that, which is why I blocked him. If you don't bealive me,  there are others who can comfirm this.
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:icondontknowwhattodraw94:
Dontknowwhattodraw94 Featured By Owner Jan 29, 2017  Hobbyist Traditional Artist
I know about him being "a bit too dominant" with his views, but because I answer him it doesn't mean I agree with him. I'm just looking at what he has to say and it doesn't annoy me because he does so. There are way worse people on DA imo.
Plus, when it's not related to Pleistocene extinctions he can give some nice info about stuff. 
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:iconacepredator:
acepredator Featured By Owner Jan 27, 2017
I know, but that guy is just plain ignoring evidence that hunter-gatherer societies (even non-human ones) can ravage the environment.
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:iconwdghk:
WDGHK Featured By Owner Edited Jan 25, 2017  Hobbyist Traditional Artist
Invasive species, heavy damage to the ecosystem, should never be done. :P (Lick)  
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:iconsaberrex:
Saberrex Featured By Owner Jan 25, 2017  Hobbyist General Artist
And yet Komodos were once native to Australia.
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:iconwdghk:
WDGHK Featured By Owner Jan 25, 2017  Hobbyist Traditional Artist
Yeah key word being "once", the Australian ecosystems  have long since adapted away from giant goannas.
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:iconsaberrex:
Saberrex Featured By Owner Jan 25, 2017  Hobbyist General Artist
Have they? Most of the niches occupied by the big animals of the Ice Age in Australia have not been replaced. Moreover, the Perentie is still technically a giant goanna, so I don't think that's entirely true. 
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