Zoologist, media consultant, and science writer, Dr Karl Shuker is also one of the best known cryptozoologists in the world. He is the author of such seminal works as Mystery Cats of the World (1989), The Lost Ark: New and Rediscovered Animals of the 20th Century (1993; greatly expanded in 2012 as The Encyclopaedia of New and Rediscovered Animals), Dragons: A Natural History (1995), In Search of Prehistoric Survivors (1995), The Unexplained (1996), From Flying Toads To Snakes With Wings (1997), Mysteries of Planet Earth (1999), The Hidden Powers of Animals (2001), The Beasts That Hide From Man (2003), Extraordinary Animals Revisited (2007), Dr Shuker's Casebook (2008), Karl Shuker's Alien Zoo: From the Pages of Fortean Times (2010), Cats of Magic, Mythology, and Mystery (2012), Mirabilis: A Carnival of Cryptozoology and Unnatural History (2013), Dragons in Zoology, Cryptozoology, and Culture (2013), The Menagerie of Marvels (2014), A Manifestation of Monsters (2015), Here's Nessie! (2016), and what is widely considered to be his cryptozoological magnum opus, Still In Search Of Prehistoric Survivors (2016) - plus, very excitingly, his first two long-awaited, much-requested ShukerNature blog books (2019, 2020).

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Friday 13 June 2014


Artistic representation of the Partridge Creek monster (© Connor Lachmanec, aka TheMorlock on deviantart.com)

The Arctic wastelands of the Yukon Territory, on the borders of Canada and Alaska, are surely the last place anyone might expect to meet a dinosaur - which is why the following case merits a prominent place among the dubitanda of cryptozoology.

The extraordinary tale of the beast from Partridge Creek debuted on 15 April 1908, within the pages of a French journal called Je Sais Tout ('I Know All'), and was recounted by one of the creature's eyewitnesses, French traveller Georges Dupuy. According to Dupuy, the adventure had begun one day in 1903, when a banker from San Francisco called James Lewis Buttler and a local gold prospector named Tom Leemore were hunting three large moose amid the marshy tundra countryside near the Yukon's Clear Creek, about 100 miles east of Dawson City. Suddenly, one of these burly deer raised its head as if it had heard something unexpected in the vicinity, and just as it did so a second member of the trio emitted a loud bellow of alarm, sending all three of them fleeing southwards with all speed.

A hunted moose fleeing the scene, an engraving from 1897 by Arthur Heming

Standing 7 ft at the shoulder and weighing up to half a ton, as the world's largest living species of deer the moose is not a creature to be readily intimidated by anything - which is why the two hunters were so surprised by their quarry's impromptu flight. When they reached the spot from where the moose had fled, however, the reason for these creatures' uncharacteristic behaviour became clear - there in the snow was the clear impression of an enormous body belonging to some unidentifiable beast of monstrous proportions.

The beast's belly had ploughed into the river bed's swampy mud a massive furrow 30 ft long, 12 ft wide, and 2 ft deep, which was flanked by gigantic footprints measuring 2.5 ft across and 5 ft in length, each also yielding impressions of sharp 1-ft-long claws. Completing the clues left behind by this unseen goliath was the imprint of a mighty 10-ft-long tail spanning 16 in across its middle.

The first of two illustrations depicting the Partridge Creek monster in the Je Sais Tout article

Notwithstanding the nightmarish visions conjured up by such dramatic dimensions, the two men decided to follow the monster's tracks, which led after several miles to a gulch known as Partridge Creek, where the tracks simply came to an end - giving the men cause to speculate that it must have leapt directly up into the gulch's encompassing cliffs.

Following this, they made their way by canoe along the McQuesten River to the nearby outpost of Armstrong Creek - an Indian village where Buttler had earlier arranged to meet Dupuy to take him hunting, and which was home to the Reverend Father Pierre Lavagneux, a French-Canadian Jesuit priest. When Dupuy and the priest heard about the monster, they were highly sceptical at first, but eventually Buttler persuaded them to return to Partridge Creek with Leemore and himself in a second search for it, aided by some local Indians.

After a day's intensive but fruitless search of the immediate area and some distance beyond it in all directions, however, the party of weary beast hunters had resigned themselves to failure, and decided to establish camp at the top of a rocky ravine. Thoughts of confronting monsters had been largely suppressed by the more practical goal of preparing a warm meal - until, wholly without warning, they received a terrifying reminder of the reason for their presence there. A hideous roar broke the Arctic stillness, and as the startled hunters reached for their rifles, one of them pointed with shaking hand to the opposite side of the ravine - where the crimson rays of the dying sun revealed a heart-stopping sight. A veritable monster in every sense of the word was clambering up its slope!

The second of two illustrations depicting the Partridge Creek monster in the Je Sais Tout article

Black in colour, at least 50 ft long, and estimated by Buttler to weigh about 40 tons, their horrific visitor continued to climb upwards for a time, mercifully unaware of its terrified human eyewitnesses' close proximity. When it was about 200 paces away, it paused for 10 minutes or so, furnishing them with ample opportunity to observe it at close range in all its spine-chilling glory. Although profusely splattered with thick mud, its hide could be seen to bear many coarse, grey-black bristles like those of a wild boar, and a hideous mass of blood and saliva oozed from its cavernous jaws. Most remarkable of all, however, was the rhino-like horn perched prominently if somewhat incongruously near the end of its snout.

The Indians cowered in terror behind a large rock, and the others were rendered momentarily speechless by the monstrous apparition, but when it became clear that it had not detected them the priest gained sufficient control of his voice to whisper between still-chattering teeth: "A ceratosaurus...It's a ceratosaurus of the Arctic Circle!". Ceratosaurus nasicornis was a large flesh-eating bipedal dinosaur of the Jurassic Period, related to the later, larger Tyrannosaurus rex and readily identified via the large horn near the tip of its upper jaw.

A modern-day reconstruction of Ceratosaurus nasicornis (© DiBgd/Wikipedia)

As they continued to watch, the beast suddenly reared up onto its massive hind legs like a hellish kangaroo, gave voice to an ear-splitting roar again, and then disappeared back down into the ravine via a single immense bound. Not too surprisingly, the beast hunters found that the thrill of pursuing this creature had lost its former charm, and the following morning they journeyed back to Armstrong Creek. Dupuy later attempted to interest the Canadian governor at Dawson City in supplying them with a large-scale hunting party of mules and 50 armed men, but when this failed he returned home to France.

The matter was not quite over, however, for in January 1908 he received a letter from Father Lavagneux, dated Christmas Day 1907, in which the priest informed him that on Christmas Eve, and while in the company of ten Indians, he had seen their monstrous quarry once again - this time racing at speed over the creek's frozen river, with what seemed to be the carcase of a caribou clamped between its great jaws. Tracks identical to those found back in 1903 were clearly visible in the deep mud, and were followed by Lavagneux and company for at least two miles before being obliterated by falling snow.

That appears to have been the last time that the beast of Partridge Creek was spotted, either by Lavagneux or by anyone else, for there does not seem to be any further records on file alluding to this extraordinary creature. Bearing in mind, however, that the existence of such an entity calls for our belief not only in the post-Cretaceous persistence of an endothermic hairy dinosaur but also its existence in what must surely be the least compatible habitat for any type of large reptile living today, its lack of cryptozoological credibility should hardly come as a great surprise!

This ShukerNature post was excerpted from my book In Search of Prehistoric Survivors, which will be reissued later this year.

The original edition of In Search of Prehistoric Survivors


  1. So convenient that they just happened to spot one of the relatively few known species of dinosaurs in 1908. And that it just happened to have the dragging tail reconstructions of the Ceratosaurus at the time featured, but that we know are completely wrong now.

  2. Ceratosaurus related to tyrannosaurus? Ehm.... And a golden jackal is equally related to wombat, yes....:)

    1. Both genera belong to the suborder Theropoda, and are therefore much more closely related to one another than are the jackal and wombat, which belong to separate infraclasses.

    2. Birds belong to suborder theropoda, too... :) Ceratosaurus is ceratosaurians. Scientific definition of ceratosaurian is:´Ceratosaurs are members of a group of theropod dinosaurs defined as all theropods sharing a more recent common ancestry with Ceratosaurus than with birds.´ Tyrannosaurus is maniraptoran, the group where birds belong, closely related to pidgeon than ceratosaurus.

    3. Yes, I am aware of all this. But your original comparison did not involve birds, it involved your incorrect claim that wombats and jackals were as closely related to one another as Ceratosaurus was to Tyrannosaurus, a mistake on your part that I corrected.

    4. Yes, I had to choose a close related animal, for example golden jackal and whale or human, not marsupial, my mistake. I just want to corrected your claim that ceratosaurus and tyrannosaurus are closely related - they didn´t. Velociraptor and tyrannosaurus, or pidgeon and tyrannosaurus are more closely related than tyrannosaurus and ceratosaurus, and both are completelly different animal.

    5. However, the whole point is that I didn't claim that Ceratosaurus and Tyrannosaurus were "closely related", merely that they were related, which they are.

  3. A few things don't seem right about this account.

    Firstly, large dinosaurs of that kind didn't drag their tails, as was implied by the tracks the men found. Even accounting for 65 million years of evolution, I doubt such a trait would evolve, especially since it would damage the tail and make it easy to follow the animal.

    Second, the tracks shouldn't have ended at a cliff. A theropod dinosaur doesn't strike me as the suicidal type...

    Finally, how would the priest have known what a Ceratosaurus is? It's 1903, and this is a pretty remote corner of the world we're talking about. Dinosaurs wouldn't be too well known to a priest living in the Yukon.

    Additionally, your claim that endothermic Arctic dinosaurs seems unlikely considering the fact that Alaska has actually turned up an impressive amount of dinosaur fossils. Believe it or not, in the Late Cretaceous, even the coldest reaches of the Arctic were home to dinosaurs. Additionally, dinosaurs were indeed endotherms, as recent studies have revealed, perhaps even to a greater degree than mammals!

    Though I find this report as incredible as you do, nonetheless, I like the idea of a living theropod dinosaur roaming the far north...

    1. It wasn't an endothermic dinosaur per se that I considered unlikely, but an endothermic hairy dinosaur, bearing in mind that we now know that they would be more likely to have been feathered. Also, you are a little out of date re claiming that dinosaurs may have been even more endothermic than mammals - on the contrary, the most recent view is that they were mesothermic: http://www.bbc.co.uk/news/science-environment-27794723 12 June 2014.

    2. My apologies, I was working off of outdated sources, which is all too easy considering how quickly the field of palaeontology moves :)

    3. If dinosaur feathers were like emu feathers, then they might look like hair from a distance. Some feathers are outright bristle-like even on some birds.

  4. I like that the creature was covered in course hairs, which remind one of the proto-feathers some dinosaurs are claimed to have, but are strikingly unlike what a person in the early twentieth century would expect a prehistoric reptile to have. But everything said about the posture seems correct. That view of theropods has changed, and betrays the age in which the report was recorded.

    1. It really doesn't.. especially the supposed letter from the priest describing the beast as "racing at great speed" at a time when even the most educated still thought of all dinosaurs as slow, lumbering, barely mobile beasts.

  5. The "grey-black bristles" were primitive feathers.

  6. OK I don't believe this was a dinosaur for obvious reasons and irrespective of the fact of coelacanths a

  7. Leaving mistaken identity, hoax or an animal. What is your take on this Karl? (And everybody else too)

    Incidentally I really like this blog, some good stuff going on. Keep going

    1. Cheers Mark, glad you like it. Re this particular case: no doubt about it, this was assuredly a hoax,, but at the time that I first documented it, in 1995 within my Prehistoric Survivors book, it was all but unknown within the cryptozoological community, so it definitely deserved an airing, if only to see if it elicited any additional reports or documentation - which, apart from a brief Notes & Queries report basically asking the same thing, it didn't. During the early 1900s, many magazines and newspapers seemed perfectly happy to fill gaps with sensationalised fiction portrayed as fact, and this is clearly one such example, but entertaining nonetheless, which was, I suppose, its primary purpose anyway. All the best, Karl

  8. Yes, this was a yarn that was printed time and again in the US newspapers till as late as two decades after its initial publication.

    I have 31 clippings of this account, published in various newspapers in various years, from 1908 to the 1920's.

    The details never waiver, the story just gets reprinted over and over again.



  9. More of a comment on the other comments than the article, but, people above have mentioned the account saying the creature "dragged it's tail"... nowhere in the account did it elude to tail dragging, the only mention of the tail was in a description of a body imprint in the bank of the river as if the creature had settled down into the mud as crocodiles and alligators tend to do.

  10. Flightless Ravens, Giant Beaver Eaters, & carnivorous dinosaurs ah to take a film crew to the Yukon.