Dr KARL SHUKER

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 four long-awaited, much-requested ShukerNature blog books (2019-2024).

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Showing posts with label Pliny the Elder. Show all posts
Showing posts with label Pliny the Elder. Show all posts

Saturday, 22 February 2025

PRESENTING THE PYRALLIS - BORN (AND BORNE) WITHIN THE FIERY FURNACES OF ANCIENT CYPRUS

 
Is this what the fire-sustained pyrallis is said to have looked like in ancient Cyprus? This is #1 of ten original pyrallis representations included by me in this article.

The classical mythology of ancient Greece is plentifully populated by all manner of famous legendary beasts – from centaurs, satyrs, gorgons, and Stymphalian birds to harpies, sirens, the minotaur, and much more. There are also some far less familiar but no less fascinating examples, including the diminutive but thought-provoking fusion of herpetology and entomology presented here now – namely, the pyrallis of ancient Cyprus.

Also known variously as the pyrausta, pyragones, or pyrotocon, the pyrallis derives all of its names from the Greek word 'pyr', which translates as 'fire', because it is intimately associated with this traditional fundamental element. According to traditional classical Greek legend, the pyrallis was a tiny incandescent beast resembling a winged, four-limbed, golden insect but in more recent times it is often represented with a scaly reptilian body and the head of a fire-breathing dragon too.

 
A 16th-Century woodcut engraving of a basic copper-smelting furnace like those in ancient Cyprus (public domain)

Moreover, not only was it born in but also spent its entire life flitting amongst the coruscating flames of copper-smelting furnaces in Cyprus, living amid these blazing domains in great swarms resembling gleaming showers of glowing sparks, borne upon the furnaces' billowing heat and smoke. Should any of these minute insectoids fly beyond the confines of their infernal abode for even a split-second, however, they would instantly turn to ash and die.

In that respect, the pyrallis, although entirely different in form and size, is reminiscent of another creature from Greek fable, the fire-inhabiting salamander, after which real-life salamanders are named (even though they certainly do not inhabit fire!).

 
Image of the fire-inhabiting mythical salamander, created by me using Magic Studio

Needless to say, it was long assumed that such a fanciful animal as the pyrallis was indeed entirely fabulous, with no basis in reality. However, as will now be revealed here, although attracting scant scientific attention even at the time of its original presentation in a published article, and nowadays, 75 years later, having been all but forgotten, there is one compelling line of speculation that seeks to identify this mythical mini-beast with a certain bona fide species, one whose own intimate association with fire may have genuinely inspired the pyrallis legend.

The earliest record relating unequivocally to the pyrallis as described by me above is a brief passage that can be found in Chapter 36 (not 42 as sometimes incorrectly claimed) of Book #11 from Naturalis Historia (The Natural History). This is the  encyclopaedic magnum opus produced by the eminent 1st-Century Roman scholar/naturalist Pliny the Elder (23/24 AD to 79 AD), which consists of 37 books contained within ten volumes.

 
Portrait engraving of Pliny The Elder (public domain)

In the 1855 English translation of Naturalis Historia prepared by Dr John Bostock, the relevant passage reads as follows:

That element [fire], also, which is so destructive to matter, produces certain animals; for in the copper-smelting furnaces of Cyprus, in the very midst of the fire, there is to be seen flying about a four-footed animal with wings, the size of a large fly: this creature is called the "pyrallis," and by some the "pyrausta." So long as it remains in the fire it will live, but if it comes out and flies a little distance from it, it will instantly die.

 
Pyrallis #2

True, it was not the first pyrallis mention. In his comprehensive work History of Animals, celebrated Greek scholar Aristotle (384-322 BC) stated that the turtle dove was at war with the pyrallis. However, he seemingly considered the latter creature to be merely some form of unspectacular bird, as this mention was contained within a paragraph devoted entirely to warfare between different types of familiar bird, such as the owl, crow, raven, kite, green woodpecker, gull, tern, and buzzard. Consequently, it would appear to have no relevance to the fire-sustaining insect-dragon under investigation by me here. (Indeed, various Aristotlean researchers have identified this avian pyrallis as a type of pigeon, the pygmy dove.)

Conversely, and also confusingly, elsewhere in his same work Aristotle described in some detail a creature that he did not name but which is evidently one and the same as the pyrallis that would be named and documented by Pliny three centuries later.

 
Aristotle bust, a marble, Roman copy after a Greek bronze original by Lysippos from 330 BC (public domain)

Here is Aristotle's account of his unnamed version:

Living animals are found in substances that are usually supposed to be incapable of putrefaction…In Cyprus, in places where copper-ore is smelted, with heaps of the ore piled on day after day, an animal is engendered in the fire, somewhat larger than a blue bottle fly, furnished with wings, which can hop or crawl through the fire. And…perish when you keep the one away from the fire…Now the salamander is a clear case in point, to show us that animals do actually exist that fire cannot destroy; for this creature, so the story goes, not only walks through the fire but puts it out in doing so…Such is the mode of generation of the insects above enumerated.

 
Pyrallis #3

It is clear that this passage by Aristotle describing an unnamed blue bottle-sized fire-inhabiting creature was the primary source utilized by Pliny for his own version, in which said creature was referred to by him by name, as the pyrallis (or pyrocausta), and also that Aristotle deemed it to be some type of insect. Less clear, meanwhile, is why Aristotle applied that very same name, pyrallis, to an entirely different, wholly unrelated creature, a kind of bird. All very strange, and bewildering!

Anyway, one subsequent early work also documented the pyrallis, albeit not by that name. This work was Book 2 of De Natura Animalium, a 17-book collection of brief accounts and anecdotes concerning natural history, written by Roman author Aelian, aka Claudius Aelianus (c175-c235 AD), with a particular emphasis upon extraordinary or fabulous cases.

 
A vintage claimed likeness of Aelian (public domain)

Here is the short passage that he wrote about creatures that he termed fire-flies but which obviously referred to the pyrallis:

That living creatures should be born upon the mountains, in the air, and in the sea, is no great marvel [I'd beg to differ regarding creatures being born in the air!], since matter, food, and nature are the cause. But that there should spring from fire winged creatures which men call 'Fire-flies,' and that these should live and flourish in it, flying to and fro about it, is a startling fact. And what is more extraordinary, when these creatures stray outside the range of the heat to which they are accustomed and take in cold air, they at once perish. And why they should be born in the fire and die in the air others must explain.

 
Pyrallis #4

Notwithstanding Aelian's naming of them as fire-flies, these mythical entities' fire-generated, fire-inhabiting lifestyle sets them wholly apart from the real-life insects known to us today as fire-flies, which are bioluminescent lampyrid beetles, and also include the familiar glow-worms. For their only connection to fire is the fiery light that they emit. Perhaps, therefore, Alien had somehow conflated the legendary pyrallis with the genuine fire-flies and glow-worms.

Whatever the explanation for his nomenclatural confusion, however, Aelian certainly seemed to believe in the authenticity of the pyrallis, so might there be a real-life insect known to him that gave rise to this legendary mini-monster? Such a fascinating notion was put forward as a very plausible possibility in 1950 by Emile Janssens, via a fascinating yet little-known paper published in French by the scientific journal Latomus, in turn published by the Société d'Études Latines de Bruxelles, in Belgium.

 
A smoke fly, Microsania sp., greatly enlarged (public domain)

As Janssens noted in his paper, pyrophilic or pyrophilous (fire-loving) insects are far from unknown. Take, for example, the aptly-dubbed smoke flies of the genus Microsania, belonging to the taxonomic family Platypezidae, the flat-footed flies. Just a few millimeters long at most, typically hump-backed in appearance, and of global distribution, these diminutive dipterans seem to appear from nowhere wherever there is a fire and smoke, and swarm amidst the fire like motes of black ash, then vanish as swiftly as they appeared once the fire dies and the smoke dissipates.

Their attraction to fire was first scientifically recorded by Belgian entomologist G. Severin via a 1921 paper, in which he revealed how, after having sought in vain for any Microsania specimens for 20 years within a particular area of Belgium, he unexpectedly observed numerous individuals dancing in swarms amidst the smoke generated by a heath fire in that very same locality, but that was not all. Not one specimen could be found more than a few feet (1 m) beyond the perimeter of the fire and its smoke; and once the fire had ceased and its embers had cooled, every last fly disappeared, not a single one remaining in the area.

 
The common blue bottle fly Calliphora vomitoria (© Shiv's fotografia/Wikipedia – CC BY-SA 4.0 licence)

This scenario bears much more than a passing resemblance to that of the pyrallis legend, as Janssens commented in his paper. Nevertheless, he dismissed these flies as the likely identity for the latter entity on account of how tiny they are, in stark contrast to the classical writers quoted by me earlier here all stating that the pyrallis was the size of a large blue bottle fly, i.e. Calliphora vomitoria, a very familiar species of blow fly, which measures 1-1.5 cm long and is therefore considerably bigger than a Microsania fly.

Although far from unknown as noted earlier, out of the more than 1 million insect species currently described by science (and with countless more still awaiting description) only around 50-60 of them are pyrophilic. Of these, moreover, the vast majority are beetles, plus ten dipterans (true flies), eight hemipteran bugs, one wasp, and one moth. Two of the best-known pyrophilic beetles are a pair of European carabid (ground beetle) species – Sericoda quadripunctata (attracted to severe burning outbreaks) and Pterostichus quadrifoleolatus (to weak burnings).

 
Sericoda quadripunctata, a European species of pyrophilic carabid (ground beetle) (©Yves Bousquet/Wikipedia – CC BY 3.0 licence)

By far the most famous and best-studied pyrophilic beetle species, however, and which was favoured above all other real-life creatures by Janssens as the identity of (or at least the inspiration for) the pyrallis, is a certain European species of buprestid wood-boring beetle. Despite its sombre black colouration, Melanophila acuminata is colloquially known as the fire beetle or fire bug, due to its decidedly fiery lifestyle, in every sense.

For just like the smoke flies, this insect species is irresistibly drawn to fire (hence yet another name for it, the fire-chaser beetle) – so much so that whenever there is a forest fire and all other creatures are fleeing away from it, these beetles are seen fleeing towards it! Indeed, rural fire fighters are often greatly hindered by large swarms of them while trying to extinguish such blazes, to the extent that they often have to wear special beekeeper attire in order to prevent these beetles from penetrating their clothes and biting them!

 
An adult fire beetle Melanophila acuminata (© AG Prof. Schmitz/Wikipedia – CC BY-SA 2.5 licence)

Several studies of this bizarre beetle, which is approximately 1 cm long, the size of a blue bottle fly, have uncovered the reason for its obsession with fire and the various anatomical accessories that it has evolved to assist it in locating conflagrations. As is so often true in so many disparate walks of life, it all has its basis in sex!

The fire beetle has evolved to copulate specifically upon the still-burning wood of newly-scorched trees, especially conifers, and to lay its eggs beneath the charred bark of such trees, which then serves as food for this beetle's white maggot-like larvae once hatched. Even its feet have evolved an asbestos-like resistance to high temperatures that enables it to scuttle around unharmed on smoldering wood and sizzling embers too hot for a human hand to dare touch.

 
Melanophila acuminata larva on Pinus sylvestris, the Scots pine (© Gilles San Martin/Wikipedia – CC BY-SA 2.0 licence)

But how do fire beetles sense the presence of a fire? Examinations of their micro-anatomy have revealed that just like certain heat-sensing snakes such as pit vipers and rattlesnakes, these beetles possess a pair of thermal infra-red receptors, resembling tiny pits. These sensory organs are present on their thorax's undersurface, each containing a small water droplet that expands when heat is detected, triggering a nervous system response to follow the heat source.

They are extraordinarily sensitive to heat, enabling the beetles to home in on a fire from very considerable distances. In fact, one study whose results were published in 2012 estimated via the use of modeling that this particular species could detect a fire from as far away as 80 miles (roughly 130 km)!

 
Pyrallis #5

In addition, there are olfactory organs on the antennae of this species that some researchers believe may detect smoke and thereby further assist it in its fire-sensing needs. No doubt such organs explain instances in which these insects have been known to swarm en masse at American football stadiums during a game, lured there by the thick haze of tobacco smoke resulting from the game's numerous smoking spectators.

Bearing in mind, however, as I've revealed earlier here, that the fire beetle is not the only known European species of pyrophilic beetle, why did Janssens favour it above all of the others as a possible explanation for the pyrallis legend?

 
Pyrallis #6

After referring briefly to one of those others, here is what he stated in his paper:

But there is better. We know, thanks to the English entomologist W[illiam]. E. Sharp, the extraordinary habits of a Buprestid beetle which flies with the vivacity of a fly and which has the size required by the indications of ancient authors. It is Melanophila acuminata.

 
Pyrallis #7

He then quoted a very pertinent excerpt concerning Sharp that had appeared in a 1934 scientific account written by fellow entomologist A. Collart and published in the Société Entomologiquede Belgique's Bulletin. Knowing that this species could be found on charred pine tree trunks, Sharp had set about seeking specimens of it in a Berkshire pine forest where a fire had recently broken out. As documented by Collart:

It was only after a long search that a single specimen of Melanophila was caught on a charred stump of Pine; this was a meagre harvest, when, guided by a distant smoke, Mr. Sharp and the friend who accompanied him arrived at a place where the fire was still active. Immediately several specimens of Melanophila were captured; some were running on ground too hot for the hand to be able to rest on it. Others were installed, often in copula on burning pine stumps or, under a bright August sun, flew through puffs of acrid smoke released by the burning peat; and, grilled by the peaty materials on fire, blinded by a suffocating smoke, the two researchers made a painful but very fruitful hunt for the Melanophila!

 
Pyrallis #8

As Janssens judiciously pointed out, the above description certainly parallels that of Aelian (as well as Pliny's and Aristotle's) for the pyrallis. Moreover, it is reasonable to assume that the fuel used in the copper ore furnaces of Cyprus long ago consisted mainly of resinous pine wood.

And whereas fire beetles do not actually die when they eventually depart from the fire and smoke that initially attracted them, they do disappear back into their rural surroundings with extraordinary rapidity, plus their dark colouration makes them difficult to observe when no longer illuminated by the bright glow of a fire. So again it is not unreasonable to assume that ancient Cypriot observers assumed that they had simply turned to ash and died.

 
Pyrallis #9

Consequently, I certainly feel that Janssens's proposal that the pyrallis myth was inspired by sightings of fire beetles swarming and flying amidst the burning, smoking pine wood fuel in copper ore furnaces to be a tenable one, and it is a great shame that it did not receive the scientific attention and further investigation that it so richly deserved.

NB – All pyrallis illustrations included here were created by me using Magic Studio, and represent this legendary beast in a variety of different forms, including insect-headed, dragon-headed, four-limbed, and six-limbed, all of which are descriptions that have been attributed to it by various authors down through the ages.

 
Pyrallis #10

 

Tuesday, 21 January 2025

SHEDDING LIGHT UPON THE MYSTERY OF LUMINOUS BIRDS - Part 1: OWLS AND FOWLS AND HERONS THAT GLOW!

 
Is this what a luminous or glowing owl would look like?

 THE LUMINOUS OWL

A marvellous fowl is the luminous owl,
It glitters and glisters and gleams.
It lights up the night in its shimmering flight,
A vision of wonder and dreams.

Dr Karl Shuker – from my Star Steeds and Other Dreams poetry blog

Anomalous phenomena come into and go out of fashion very much like fashions themselves, and the concept of luminous birds, especially owls, is no exception. Throughout ancient and medieval history, it was very much a subject for discussion among writers and scholars. Moreover, there seems to have been a traditional, longstanding belief in many rural areas across the world but notably in Britain, continental Europe, North America, and Australia, that owls glow. Indeed, 'glimmer gowk' is included in Charles L. Hett's engrossing avian dictionary A Glossary of Popular, Local and Old-Fashioned Names of British Birds (1899) amongst the popular monikers for any British owl.

Nevertheless, during the past century this intriguing subject has slipped into virtual obscurity. Indeed, notwithstanding the countless eyewitness reports and vast body of documentation relating to luminous birds in the past, certain modern-day skeptics breezily dismiss it as a mere myth, a credulous fragment of countryside folklore confined and duly consigned to bygone pre-scientific times, and thence long since discounted. As will now be shown, however, via the selection of cases documented in my exclusive two-part survey here on ShukerNature, the reality is very different. Something much more tangible than fanciful folklore appears to be involved here – but what?

 
What a spectacular sight a glowing owl would be!

One of the first coverages of this intriguing phenomenon that I ever read was an article by Count Louis de Sibour entitled 'The Existence of Luminous Birds', originally published by the periodical Knowledge (New Series) in September 1913, and subsequently collated by William R. Corliss in Incredible Life: A Handbook of Biological Mysteries (1981), one of his many invaluable compendia of scientific accounts documenting wildlife anomalies and curiosities. In his article, de Sibour commented:

Few students delve deeply in natural history without encountering the topic of luminous birds, and the pros and cons of the subject are developed by the reader with a frequency that tests the credulity of any superficial investigator.

Indisputably, it has exerted a great fascination for any scientist willing enough to examine and take seriously the myriad mysteries of unnatural history; but before continuing with my own investigation of it here, I need to present a few definitions in order to prevent the all-too-common confusion of certain relevant scientific terms:

Incandescence is the emission of visible light from a substance heated to a high temperature. In contrast, luminescence is the emission of visible light (and sometimes other types of electromagnetic radiation too) from a substance as a result of any non-thermal energy-releasing process. If the luminescence ceases as soon as the energy source is removed, this is termed fluorescence; but if the luminescence persists (after-glow), this is termed phosphorescence and is the type of luminescence seemingly exhibited by luminous aka glowing birds. Also requiring a definition here is bioluminescence – namely, the biochemical creation and emission of light by certain types of living organism (known from such forms as fireflies, glow-worms, and various deepsea fishes, plus some plants, fungi, and bacteria – but not birds…officially).

Pliny the Elder, stipple engraving by F.W. Bollinger (© wellcomeimages.org/Wikipedia –
CC BY 4.0 licence)

As noted by de Sibour in his article, luminous birds have a very considerable documented history, dating back at least as far as the time of the celebrated Roman author/naturalist Pliny the Elder (23/24 AD-79 AD). He mentioned one unnamed example briefly in Volume 3, Book 10 of his encyclopaedic 10-volume, 37-book magnum opus Historia Mundi Naturalis (Natural History of the World), stating: "In the Hercynian Forest, in Germany, we hear of a singular kind of bird, the feathers of which shine at night like fire". The Hercynian Forest was the huge ancient tract of dense woodland that in Roman times stretched across western Central Europe from northeastern France to the Carpathian Mountains but which exists today only in the form of fragmented, relict expanses. It was said to be home to many wonders, including a bona fide unicorn supposedly seen by none other than Julius Caesar (click here to read my ShukerNature article dealing with it).

Pliny's account of this mysterious luminous bird (and much else too from his above-cited multi-volume tome) was regurgitated two centuries later by Latin geographer/compiler Clarius Solinus, in Chapter 20 of his own major work, De Mirabilibus Mundi (On the Wonders of the World – also subsequently republished in a greatly revised edition entitled Polyhistor). Moving forward a millennium, Pliny's report of a luminous tyoe of bird was again recycled in an extensive work. This time it was De Animalibus, written by the 13th-Century German monk and scholar Albertus Magnus (1208-1280), and finally published in 1478 following the invention of the printing press.

 
Conrad Gesner, by Tobias Stimmer, 1564 (public domain)

Moreover, the year 1555 saw the publication of the very first treatise devoted totally to luminescence in animals. Entitled De Lunariis, and written by Swiss naturalist/physician Conrad Gesner (1516-1565), it not only included reports of luminous birds and many other types of phosphorescent fauna dating back to ancient times but also incorporated accounts of glowing plants (click here to read a ShukerNature article of mine dealing with anomalous light-emitting flowers) and even luminous stones.

An even greater work on luminescent animals appeared in 1647 – a mighty three-volume publication authored by Danish scientist Thomas Bartholin (1616-1680) entitled De Luce Animalium, of which its third volume was devoted entirely to glowing birds. Some of these were wholly mythical, such as the Egyptian phoenix, the incendiaria avis or incendiary bird (which set on fire any tree or house upon which it perched), and the caladrius (according to Roman mythology, a snow-white bird with healing powers), but allegedly real examples were also included.

 
Egypt's coruscating phoenix (image created by me using MagicStudio)

Worth mentioning is that only a few years earlier, in 1641, a number of glowing fowls had attracted so much attention at a market in Montpellier, France, that even the distinguished French nobleman Henri de Bourbon (1552-1588), 2nd Prince of Condé, paid a special visit to observe them there. One, a cockerel, was killed in order to examine it more closely, and according to Bartholin it: "shone on all parts of his body with a remarkably strong light". That same year, a glowing hen was displayed at a market in Montebello, which "shone like a ball of white fire", inspiring Bartholin to opine somewhat drily: "It is a pity that the cock did not meet the hen; for we might then have obtained a breed of incandescent fowls"!

More recently, England, the Pyrenees, and the Vosges appear to be European regions from which accounts of luminous birds have emerged – with the most commonly reported bird types being owls (particularly barn owls) and herons. In some of these cases, they have been directly identifiable as birds, albeit ones that glow, usually white, pale yellowish-green, or reddish-yellow in colour; in certain other cases, the manner of their flight has identified them as birds.

 
How an owl glowing pale yellow may look

The 'flap' of luminous owl sightings that occurred during 1907-1908 near the hamlet of Twyford in Norfolk, eastern England, is possibly the most famous, and last, to attract mainstream public and scientific attention, and has been widely documented, albeit with many variations and inaccuracies. Happily, however, a comprehensive, scrupulously-researched article entitled 'The Luminous Owls of Norfolk', prepared by veteran Fortean chronicler David W. Clarke, was published in 1994 within the inaugural volume of Fortean Studies, the short-lived scholarly journal of the longstanding British mysteries magazine Fortean Times, so this is the source that I have consulted when producing my own coverage here.

Back in 1897, gamekeeper Fred Rolfe saw on several successive evenings near King's Lynn in Norfolk an eerie bright blue light flying overhead. Finally, he was able to shoot it with his gun, and after it plummeted to the ground he discovered that it was a half-starved barn owl in very poor condition. The barn owl Tyto alba is a species well-known for its virtually pure-white plumage but which has not been formally confirmed scientifically to visibly glow. This incident remained uncirculated until January 1908, when Rolfe made its details public following numerous sightings of one or more glowing owls having been reported close to Twyford and the nearby Norfolk village of Foulsham during early and late 1907, as well as January 1908.

 
A normal, non-glowing barn owl (© Yu Moskalenko/Wikipedia – CC BY-SA 4.0 licence)

When making public the following information regarding Norfolk's glowing owl(s) during the early 20th Century, English naturalist Digby Piggott revealed that after visiting the specific locations in question during December 1907, he had received it directly from Foulsham-residing fellow naturalist and principal eyewitness R.J.W. Purdy.

Purdy had informed Piggott that while in the company of various other eyewitnesses, including his own son as well as a Mr Spencer, he had experienced several sightings of a glowing owl in flight near Twyford and Foulsham. The first sighting had taken place on 3 February 1907, with several more of what may (or may not) have been the same individual bird occurring during December 1907 and January 1908. Likening it in overall appearance to a lamp or lantern, Purdy recalled that on one occasion its luminescence was so powerful that even the branches among which it had perched were illuminated, and that its irradiance was comparable to that of a bicycle lamp seen 300-400 yards away!

Further observations of this remarkable owl by Purdy and other eyewitnesses suggested that its luminescence was confined to its breast, because its brightness was less powerful when it flew directly away from them, i.e. when only its back, wings, and tail were visible to them. Throughout the time period spanning these sightings, this owl's luminescence showed no sign of diminishing. Purdy identified the bird as 'Strix flammea', which today as Asio flammeus is the binomial name for the short-eared owl. Confusingly, however, it is also the name given erroneously by Linnaeus in 1766 to the barn owl, and it seems from his accounts that it was indeed the barn owl that Purdy was referring to in relation to his sightings. During this same period, moreover, sightings of a comparable creature were also being reported on a nightly basis elsewhere in Norfolk, at the Haddiscoe marshes nearly 30 miles southeast of Twyford, as documented at that time by renowned English ornithologist J.H. Gurney in the British periodical The Zoologist. Please consult David Clarke's article for an extensive coverage of individual eyewitness accounts from this 'flap', as well as Vol. 8 (spanning the years 1904-1909) of the Transactions of the Norfolk Naturalists' Society, and Vol. 66 (1908) of The Zoologist.

 
A short-eared owl in flight (© Stephan Sprinz/Wikipedia – CC BY 4.0 licence)

During the early 1920s, this phosphorescence phenomenon received renewed media attention following some additional sightings, but perhaps the most famous example from that time period remained unreported for almost 30 years, until the eyewitness in question, John Welman, documented it in an article entitled 'Forbidden Valley, which was published by Blackwood's Magazine in September 1948. Welman had been visiting a lake in Anatolia, Turkey, with a companion named Merrick when they beheld an incredible sight:

A luminous blob appeared on a hillside far away and wavered fitfully like a bicycle lamp seen at a distance on a windy night…It swung round a clump of trees about 200 yards away, and came winging, swiftly and silently, towards us. It was a bird. At least, it had the shape of a bird, and flew; but surely no mortal bird ever glowed, as this one did, with the incandescence of a gas-mantle [a nitrate-soaked fabric bag that produces a bright white light when heated by a flame; used in lanterns, gas lamps, and some oil lamps]. It looked enormous, though I do not say it was; such sudden brilliance rushing headlong at one out of the ambient dark, may have exaggerated its real size. That it flew like a bird and shone like a lamp were more certain impressions accepted by my startled mind. And when it came nearer, I saw that every feather of its plumage glittered with tiny points of light, a kind of frosted fire which, without the power to dazzle, was bright enough to illuminate the branches of a tree through which it passed. Its wide, luminous wings seemed to beat the air without disturbing it, for they made no sound whatever. I found myself gripping Merrick's arm and cowering down as it approached looming bigger and brighter every instant, until, seeming about to fly right in among us, it swerved aside and shot up in an arc to pass above our heads.

 
A glowing barn owl as bright as a lantern!

The barn owl is native to Turkey (and much else of the world too), and although Welman's above account provides scant details to assist in identifying the luminous bird taxonomically, the facts that its wing beats made no sound (a famous characteristic of the barn owl when seeking prey at night) and that although appearing enormous to the startled eyes of Welman  it was nonetheless small enough to be able to fly between the branches of a tree collectively suggest that it may indeed have been a barn owl.

A number of notes on the subject of glowing birds had been published in the Revue Français d'Ornithologie by French ornithologist Louis Ternier using information supplied to him by Gurney regarding the Norfolk sightings, as well as some eyewitness reports emanating from northern Spain, and serious scientific attention had also been focused upon the subject by Dr W.L. McAtee of the U.S. Fish and Wildlife Service. By the mid-1940s, McAtee had accumulated a sizeable dossier of eyewitness reports appertaining to glowing birds as diverse taxonomically as owls, night herons, and even Australian finches, which he published as an extensively-referenced article in the July 1947 issue of the American Midland Naturalist.

Evidently, sceptics notwithstanding, the phenomenon of luminous birds is genuine, but how can it be explained? Five principal potential solutions have been suggested by amateur naturalists and professional scientists alike down through the ages, and these are all discussed in Part 2 of this exclusive two-part ShukerNature review, so please click here to read it.

NB – All images of luminous owls included here were created by me using Grok X1.

 
Even normal, non-glowing barn owls can sometimes appear ghostly white in certain lights (© LeeGer/Wikipedia – CC BY-SA 3.0 licence)