Domestic Pig x Primate

Sus scrofa × Order Primates

EUGENE M. MCCARTHY, PHD GENETICS

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The truth, indeed, is something that mankind instinctively dislikes. Every man who tries to tell it is unpopular, and even when, by the sheer strength of his case, he prevails, he is put down as a scoundrel.
—H. L. Mencken
Chicago Tribune (May 23, 1926)


Monkey-Pig Hybrid
Strange “piglet” born in China in 2008
Video of alleged human-pig hybrid farrowed in June 2014 in Laos.
Human cells can combine with pig cells. When piglets were injected in utero with human stem cells, researchers investigating the resulting animals detected the presence of cells containing the DNA of both humans and pigs (Ogle et al. 2004). In other words, pig and human cells had fused to become composite, living cells that were pig-human hybrids.
Video of the Central American “piglet”
Video of the fourth “piglet”

Note: Inasmuch as it sheds light on the possibility of hybridization between a primate and a pig, the information on this page relates directly to the theory, explained elsewhere on this site, that humans are derived from hybridization between between chimpanzees and pigs.

In the summer of 2008, news stories surfaced on the Internet picturing a creature said to have been born in a litter of piglets farrowed by a sow belonging to Feng Zhanglin, a resident of Xiping township in the province of Hunan in China. The animal (shown at right), described as a monkey-pig, was born July 19, 2008. The pictures associated with the various stories look real, but what is this creature? An actual pig-monkey hybrid? A strange, complex mutant? Many have suggested even that it is a pig-human hybrid.

The reports give anecdotal descriptions of the reactions of the family and neighbors (e.g., Mrs. Feng was frightened of it; Mr. Feng abandoned it; their son recovered it and fed it, etc.), but I have been unable to obtain any additional information relating to this very unusual birth, so at present it's unclear whether more recent reports about this “piglet” exist, or whether it survived to adulthood, or, in particular, whether the nature of its origins have been evaluated via genetic testing (anyone with additional information, please forward your findings here to the website). Another, similar individual was recently (June 2014) born in Laos and is shown in the video at right above. Information on this particular birth is as yet scanty and will be supplied as it becomes available.

Additional pictures of the “piglet” born in China in 2008:

Image 1 | Image 2 | Image 3 | Image 4 | Image 5


A Central American specimen. In August 2011 a sow in a remote Guatemalan village (Santa Cruz El Chol, Baja Verapaz) produced another such “piglet” with a humanlike head. Its appearance, rather similar to the Chinese "monkey-pig" shown above, was recorded in television news reports (watch a video showing this animal).

A fourth such creature appears in the lower video at right. It differs, however, from the previous three in having an elephant-trunk-like structure attached to its forehead. This is simply a video I found on YouTube and there is no information in English about where or when it was made, but the people in the video seem to be speaking some eastern Asiatic language (if anyone understands what is being said, please let me know). It's interesting in this connection that an old report about an alleged human-cow hybrid, quoted elsewhere on this website, pictures a creature with a similar trunk-like structure on its forehead (this strange “calf” is also pictured there).

Old reports of pig-human hybrids

Portrait of John Locke
John Locke
(1632-1704)
Fortunio Liceti
Fortunio Liceti
(1577-1657)

In addition to the many anonymous references to "pigs born with hands" mentioned and dismissed in the popular press, there are many old accounts of pig-human hybrids. No less a personage than the great philosopher John Locke gave credence to such hybrids. In his famous Essay Concerning Human Understanding (1690, III, Chapter 6, §27) he asks,

Who would undertake to resolve what species that monster was of, which is mentioned by Licetus (Bk. i. c. 3), with a man’s head and hog’s body? . . . Had the upper part to the middle been of human shape, and all below swine, had it been murder to destroy it? Or must the bishop have been consulted, whether it were man enough to be admitted to the font or no? As I have been told it happened in France some years since, in somewhat a like case.

In 1699 the English physician Sir John Floyer (1649-1734) authored an account of two supposed human-pig hybrids (Philosophical Transactions of the Royal Society, vol. 21). There he states that

In May 1699 there was shewed to me a Pig, at Weeford in Staffordshire, with a Face something representing an Humane Fœtus, and the roundness of the Head, and the flatness of the Ears surprised all Persons, and they did usually apprehend it to be a Humane Face, produced by the Copulation of two Species. … This kind of Monstrous Pigs … I believe is very frequent, because I had another [piglet] of the same Kind sent me out Derbyshire, which had a resemblance of a Man’s face and all the other parts of a Pig, and this had the same Chin, and depression betwixt the Eyes, and the roundness of the Head and flatness of the Ears I have above described.2
Monkey-Pig Hybrid
Head of an alleged man-pig (Floyer 1699)

Floyer himself, ascribed the human-like heads of these piglets to “compression of the Womb,” but from his account, it's clear that others believed these animals to be pig-human hybrids. It's of interest that the shape of the head of the animal as described by Floyer and as pictured in his illustration (see figure, above right) is similar to that of the "monkey-pigs" pictured above ("the same Chin, and depression betwixt the Eyes, and the roundness of the Head and flatness of the Ears"). However, if his animals were in fact hybrids, it's clear that in England in 1699 the nonporcine parent would not have been a monkey. Floyer notes that the sex of the Derbyshire “piglet” could not be determined, but that the Weeford animal was a male.

Ambroise Paré
Ambroise Paré
(c. 1510 – 1590)

Other examples of alleged pig-human hybrids can be found in writings of French surgeon Ambroise Paré, who says (Paré 1646, pp. 665-666) that

In the year 1110 a sow in the town of Liège farrowed a pig having the head and the face of a man, as well as human hands and feet, but the rest was like a pig [see two figures below]. … In the year 1564 in Brussels, at the house of a man named Joest Dickpert, living on Warmoesbroeck Street, a sow farrowed six pigs, the first of which was a prodigy having a man’s face, as well as arms with hands, and representing humanity in a general way from the shoulders up; but it had the two hind legs and rear parts of a swine, and the genitals of a sow. It nursed along with the others and lived two days, but then it was killed, along with the sow, on account of the horror that people had of it; this prodigy is here illustrated [see woodcut figure below] most naturally, just as it was in life. Translated by E. M. McCarthy. Original French: "L'an onze cens & dix une truye eu en bourg du Liege cochonna un cochon, ayant la teste & visage d'un homme, semblablement les mains, les pieds, & le reste comme un cochon. … L'an 1564, à Bruxelles, au logis d'un nomme Ioest Dickpert, demeurant Rue Vuarmœsbroeck, une truye cochonna six cochons, desquels le premier estoit un monstre ayant face d'homme, ensemble bras & mains representant l'humanité, generalement depuis les espaules, & les deux jambes & le train de derriere de pourceau, ayant la nature de truye; il tettoit comme les autres, & vesquit deux jours puis, fut tué auec la truye, pour l'horreur qu'en avoit le peuple, duquel monstre tu as icy le pourtraict, qui t'est representé le plus naturellement qu'il est possible."3

Both of these alleged hybrids are figured in Paré (1646, p. 665). The first may be a reference to a single-sentence mentioning such a hybrid in the Chronica Majora of Matthew Paris (c. 1200-1259): "At the same time [1109 A.D.], in a parish of Liège, a sow gave birth to a piglet with the face of a man." Translated by E. M. McCarthy. Original Latin: "Eodem tempore in parochia Legiensi porca porcellum enixa est, sed faciem hominis habentem" (Luard 1874, vol. 2, p. 136).⁴ But given that Paris makes no mention of hands and feet, Paré may have read about this birth in some other source.

Sir John Hayward
Sir John Hayward
(c. 1564-1627)

Sir John Hayward, in his Annals of the First Four Years of the Reign of Queen Elizabeth, writes that in the year 1562, “a sowe farrowed a pigge having hands and fingers like a man child.”¹ A contemporary account of this “piglet” published in a broadside that same year reads as follows:

This present yere of oure Lord God a thousande five hundred three score and two, one Marke Finkle a joiner dwelling beside Charing Crosse by Westminster, had a sow that brought forth one pigge onely, upon the seventh of Maye, beinge Ascention daye, the whiche pigge had … two fore feet, like unto handes, eche hande havinge thre long fingers and a thumbe, bothe the thumbes growinge on the outsides of the handes. [quoted in Lilly 1870, pp. 45-46.]
pig with human head
A pig-human hybrid supposedly born on the island of Cyprus in 1568 (from Schenck 1609, p. 113).

Johann Georg Schenck (1609, pp. 113-114) lists seven old cases of pigs born with human heads. One of these, he says, the creature pictured at right, was born in Nicosia on the island of Cyprus in the year 1568.

An additional case is listed in Chinese records of the Shanghai region, a pig born in the year 1600 with a human head and hands (Macgowan, 1860, p.70). Two others are mentioned by the ancient Roman historian Livy (59 B.C.-17 A.D.), who says (History of Rome) a pig with a human head was farrowed at Sinuessa (XXXI, xii) and another at Tarquinii (XXVII, iv).

In the case of all of these alleged human-pig hybrids it is always the forepart of the animal that resembles humans and the rear that resembles pigs, a point on which the European and Chinese records agree. This description is also in accordance with the recent cases described at the beginning of this article.

Since he believed such things to be real, it's not surprising that Locke, wound up his discussion of pig-human hybrids, by asserting that no one really knows exactly what a "human being" might be:

so far are we from certainly knowing what a man is; though perhaps it will be judged great ignorance to make any doubt about it. And yet, I think, I may say, that the certain boundaries of that species are so far from being determined ... that very material doubts may still arise about it. And I imagine, none of the definitions of the word man, which we yet have, nor descriptions of that sort of animal, are so perfect and exact as to satisfy a considerate inquisitive person.

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17th century artists' conceptions based on verbal descriptions:
Pig-human Hybrid
Pig-human hybrid supposedly born at Liege in the year 1110 A.D. (Liceti 1607, liber II, p. 183).
Pig-human Hybrid
An additional artist's conception of the pig-human of Liege (Paré 1646, p. 665).
Pig-human Hybrid
Pig-human hybrid that Paré says was born in Brussels in the year 1564 (Paré 1646, p. 665)



1. Crawford (2005); Hayward (1840, vol. 7, p. 107).

2. Floyer (1699).

3. Paré (1646, pp. 664-665).

4. English historian Sir John Hayward (1613, p. 303) refers to what seems to be the same case. He says the event took place in the thirteenth year of the reign of Henry the First, which would have been 1112 A.D. Hayward notes merely that "A pigge was farrowed with a face like a childe."

By the same author: Handbook of Avian Hybrids of the World, Oxford University Press (2006).

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Please send any information about hybrids, especially about any mammalian crosses not listed on this website, to us via our contact page. Thanks!

About John Locke

Wikipedia states that John Locke was "an English philosopher and physician regarded as one of the most influential of Enlightenment thinkers. Considered one of the first of the British empiricists, following the tradition of Francis Bacon, he is equally important to social contract theory. His work had a great impact upon the development of epistemology and political philosophy. His writings influenced Voltaire and Rousseau, many Scottish Enlightenment thinkers, as well as the American revolutionaries. His contributions to classical republicanism and liberal theory are reflected in the United States Declaration of Independence."

In a letter to Richard Price, dated January 8, 1789, Thomas Jefferson wrote: "Bacon, Locke and Newton... I consider them as the three greatest men that have ever lived, without any exception, and as having laid the foundation of those superstructures which have been raised in the Physical and Moral sciences."


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