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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Monday 2 October 2017


The Iguanodon and Megatherium acting as supporters to the University of Cambridge's coat of arms, as carved above the archway of one of the entrances leading into the university's Sedgwick Museum of Earth Sciences (© Keith Edkins/Wikipedia – CC BY-SA 2.0 licence)

It's not every day that you can meet up with a Megatherium – one of South America's giant prehistoric ground sloths – on a street in England, or anywhere else, for that matter, unless that street just so happens to be Downing Street (no, not that one!), in the English university city of Cambridge. For if it is, you can walk along it and gaze up at a Megatherium as often and for as long as you want to. And not just at a Megatherium either, as it will always be in the company of another palaeontological stalwart, the famous ornithischian dinosaur known as Iguanodon. Bemused? Allow me to explain.

Front view of the Sedgwick Museum, situated directly above the university's Department of Earth Sciences (© Sebastian Ballard/Wikipedia – CC BY-SA 2.0 licence)

The Megatherium and Iguanodon in question are a pair of large, ornamental carvings flanking (or supporting, to use the correct heraldic term) the university's coat of arms present above the archway of one of the entrances to the Sedgwick Museum of Earth Sciences. Also referred to as the Sedgwick Memorial Museum, it is based in Downing Street, Cambridge, and constitutes the oldest of this university's eight academic museums.

Bronze statue of the Rev. Prof. Adam Sedgwick, created by eminent British sculptor Onslow Ford in 1901, which is on permanent display inside the museum at the junction of its two wings (© Sebastian Ballard/Wikipedia – CC BY-SA 2.0 licence)

This museum is named in honour of one of England's most celebrated geologists, the Reverend Prof. Adam Sedgwick (1785-1873), who spent his academic life working at the University of Cambridge, and it was built to honour him and to contain his very sizeable collections of geological and palaeontological specimens, as well as those of English naturalist Dr John Woodward (1665-1728). Woodward was a fellow geologist who had bequeathed to the university half of his collection of over 9,000 specimens amassed by him over 35 years (the university subsequently purchased the other half), together with funds to establish the Woodwardian Professorship of Geology there (and to which Sedgwick was in due course appointed).

Engravings of Dr John Woodward (left) and the Rev. Prof. Adam Sedgwick (right) (public domain)

These collections were all held at that time in what was then the university's Woodwardian Museum, established in 1728, but which would require a much greater capacity if it were to accommodate further additions. Hence the building of a bigger museum, honouring Sedgwick, was duly proposed. After several delays and false starts, the Sedgwick Museum's construction was finally approved on 16 February 1899, under Prof. Thomas Graham Jackson as architect, and was officially opened on 1 March 1904. Built at what was back then a notably expensive cost of £40,000, it now contains the collections of Woodward, Sedgwick, and countless other specimens too, currently totalling around 2 million rocks, minerals, and fossils.

Vintage engraving depicting how the interior of the then Woodwardian Museum once looked, with the skeleton of a giant deer (aka Irish elk) Megaloceros giganteus prominently displayed; it is still on display today in the Sedgwick Museum (public domain)

One of the Sedgwick Museum's most celebrated specimens on display is the very imposing replica cast of a complete skeleton of an Iguanodon bernissartensis, which was donated to the University of Cambridge by Brussels-based palaeontologist Louis Dollo during the late 1880s via King Leopold II of Belgium. At least 38 complete or near-complete Iguanodon skeletons had been recovered from a coal mine at the Belgian town of Bernissart in 1878. Nine of them were subsequently assembled as upright-standing mount specimens for display at the Royal Belgian Institute of Natural Sciences in Brussels (a total of 30 Iguanodon specimens can be seen in its Museum of Natural Sciences today), and it was from one of these that the cast prominently on display at the Sedgwick Museum was taken. This famous exhibit in turn explains the choice of an Iguanodon as one of the two supporters carved above its Iguanodon/Megatherium archway.

Vintage illustration of a Bernissart Iguanodon skeleton assembled in upright stance (public domain)

True, the skeleton cast's upright, rearing stance is now deemed to be incorrect (modern-day palaeontological belief holds that Iguanodon adopted a more horizontal stance), but back then this was how science assumed that this very sizeable dinosaur form stood in life, and explains why the archway's Iguanodon carving is also depicted in upright stance (note too the dragonesque series of dorsal triangular spines running down the carving's back – another now-rejected morphological feature). Moreover, being directly inspired by this cast, the museum's logo has always been an upright bipedal Iguanodon as well (it would be too costly and troublesome to change it now, especially as the logo is so well known).

Modern-day artistic reconstruction of an Iguanodon in a more horizontal stance (public domain)

As for the Megatherium: the Sedgwick Museum's collection includes a partial Megatherium skeleton (and also a historic cast of it) that formed part of Sedgwick's original (1840) Woodwardian Museum collection. Moreover, the Sedgwick Museum is closely associated with Charles Darwin, as it houses a number of his scientifically-priceless specimens, and he famously discovered a Megatherium skeleton during his South American voyages, so the choice of this mega-mammal as the second supporter carved over the archway serves as a very apposite visual representation of this museum's Darwin links. In 2009, it curated a major public exhibition entitled Darwin the Geologist, to coincide with the Darwin bicentenary celebrations (Darwin was born in 1809). This exhibition focused upon his early geological research, and it displayed many of the specimens collected during his famous Beagle voyage.

Artistic reconstruction of the likely appearance in life of the Megatherium or giant ground sloth (public domain)

Incidentally, the Iguanodon and Megatherium are not the only prehistoric beasts depicted externally at the Sedgwick Museum. So too is the woolly mammoth Mammuthus primigenius, courtesy of the following detailed relief – present just to the left of the museum entrance whose archway bears the above-noted dinosaur and ground sloth carvings:

Woolly mammoth relief on the outer wall situated just to the left of the Iguanodon/Megatherium archway (© Vysotsky/Wikipedia – CC BY-SA 4.0 licence)

The Sedgwick Museum is open six days a week (closed on Sundays and some Bank Holidays), has free entry, and contains countless fascinating geological and palaeontological specimens on public display – click here to visit its official website for full details. So why not wander down Downing Street, introduce yourself to the Iguanodon and meet up with the Megatherium as they stand tall in stately support, before entering the wonderful world of our planet's distant past as encapsulated within this celebrated museum's spectacular array of exhibits and displays?

Side view of Sedgwick Museum of Earth Sciences showing woolly mammoth wall relief and entrance door bearing Iguanodon/Megatherium archway (© Google Earth Maps 2016 – reproduced here on a strictly educational, non-commercial Fair Use basis for review purposes only)

And if anyone can tell me the name of the sculptor who produced the Iguanodon and Megatherium carvings (and presumably the woolly mammoth relief too), I'd be extremely grateful, because I have so far been unable to discover this – many thanks indeed!

Close-up of the Sedgewick Museum's Iguanodon/Megatherium archway, revealing the exquisite detail of its two prehistoric supporters (© Vysotsky/Wikipedia – CC BY-SA 4.0 licence)

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