human-animal hybridsGiven the long tail and handlike hindfoot, this specimen in the Museum Vrolik is a likely monkey-human hybrid (apes, sensu stricto, do not have tails).

Ape-human Hybrids

Mammalian Hybrids

EUGENE M. MCCARTHY, PHD GENETICS

This article quotes reports about either chimpanzee-human hybrids (what have been called humanzees) or monkey-human hybrids. Reports about orangutan-human hybrids are covered in a separate article. The reader should perhaps be told, too, that while monkeys are, informally, often called apes, true apes do not have tails.

Ape-human hybrids have been a viral topic on the internet. And many people think a cross between a human and a great ape might be feasible. Moreover, there have been many informal reports about such hybrids. However, biologists rarely investigate these controversial claims and, even when they do, they never seem to publish the results.

Ape-human hybrids Abductee Faye Ray in King Kong

Ape-human hybrids Gorille enlevant une Femme (Artist: Emmanuel Frémiet, Musée des Beaux Arts de Nantes).

Ape-human hybrids An eighteenth-century depiction of an ape abducting a woman. The caption reads “The Orang-outang carrying off a Negro Girl.”

There are many stories about women being abducted and raped by apes. Some of these are presented as fiction, as in King Kong, others, as nonfiction. Thus, in an example of the latter, Maxse (1906) claims that the pygmies

appear to be as closely related to the chimpanzee monkey as it is possible for human beings to be, and the affinity is so far recognised by the chimpanzee of the present day that there are stories current of pygmy women being carried away by male monkeys and destroyed by their jealous wives.

Similarly, in writing about chimpanzees, Proctor (1877), claims that

women in particular are often said to be carried away by these animals, and one negress is reported to have lived among them for the space of three years, during which time they treated her with uniform kindness, but always prevented any attempt on her part to escape.

As Proctor seems to imply, the victims in such claims of abduction were not limited to women. In fiction, Edgar Rice Burroughs has Kala, the she-ape, carry off the infant Tarzan. And there are many nonfictional reports about chimpanzees carrying infants off as prey and eating them. Not all such incidents end in tragedy, however. The English cleric Samuel Purchas (c. 1577 – 1626), published a collection of reports by travellers to foreign countries entitled Purchas His Pilgrimage. In one of them, Andrew Batell (c. 1565 – 1614) gives an account of his experiences in Angola. In a chapter on chimpanzees, which Batell called pongos, Purchas added a note which read,

He [Batell] told me in a conference with him that one of these Pongos took a negro boy of his, which lived a month with them, for they hurt not those which they surprise at unawares, except they look on them, which he [the boy] avoided.

Whether or not this story of abduction is true, it is a fact that staring at apes can provoke them to violence.

Dodds (2006) compiled various early accounts, dating back as far as the sixteenth century, about marooned European women being impregnated by apes. Typically in such stories, the woman has committed some transgression that results in her being left on an ape-infested desert island. There, she is whisked away to the cave of the Monkey King, where she is ravished and eventually gives birth to an ape-human hybrid. In the end, she is always rescued by a passing ship and her harrowing experience becomes known the world.

In his Description historique du royaume de Macaçar, Nicolas Gervaise (1700, p. 31) gives the following over-the-top description of macaques raping women.

They [i.e., the macaques of of the kingdom of Makassar] principally want women, and the first that catches sight of one cries out with all his might to call his comrades. These assemble around her and, throwing her to earth, and after subjecting her to a hundred outrages, they strangle her and tear her in a thousand pieces. [Translated by E. M. McCarthy]

Indeed, many of the indigenes of the regions where the African great apes reside seem to have perceived chimpanzees and gorillas as being within the range of human variation. Such views would, of course, contribute to any propensity for interbreeding. Duncan (1891, p. 9) specifically states that

The missionaries, when they were established in the Gaboon region, found that all along the coast the Gorillas were believed by the natives to be human beings, members of their own race degenerated. Some natives who had been a little civilised, and who thought a little more than the rest did not acknowledge this relationship but considered them as embodied spirits, the belief in the transmigration of souls being prevalent. They said that the enche-eko, or Chimpanzee, has the spirit of a coastman, being less fierce and more intelligent than the enge-ena or Gorilla, which has that of a bushman. The majority, however, fully believed them to be men, and seemed to be unaffected by the arguments offered to disprove this fancy; and this was especially true of the tribes in the immediate vicinity of the locality. They believed them to be literally wild men of the woods.
Ape-human hybrids

One might easily suppose that these notions of apes raping women were entirely fanciful. However, it seems that such things do occasionally occur. Thus, according to a recent news story, a wild chimpanzee was interrupted during an attempt to rape a female health worker in Ekiti State in southwestern Nigeria. Four previous rapes of local women by chimps were also blamed on the same individual, who was hunted down and killed. Orangutans have also been known to rape women (more info >>). Bears, too, have a bad rep for rape (more info >>), though the evidence is not so convincing as in the case of apes.

But now let's look at some of the many reports about ape-human hybrids.

human-chimpanzee hybrid Augusto Dembo

Augusto Dembo. In January 2020, reports went viral about an Angolan woman claiming on her deathbed that she had had a longterm sexual relationship with a wild chimpanzee and that her 12-year-old son, Augusto Dembo (shown at right), was a hybrid resulting from that relationship. However, photographs cannot prove hybrid ancestry, and it seems Augusto has not been examined via genetic testing. Moreover there have been various claims that this case represents a hoax. According to reports, Augusto now (March 2021) lives with his uncle and aunt in the Angolan capital of Luanda. In the reports, Dr. António Mendes of the Hospital Municipal do Moxico, in the city of Luena there in Angola, is quoted as saying that “Sexual relationships between humans and chimpanzees are fairly common in the region but this is the first time a pregnancy is officially reported.” It's true, however, that unofficial reports about Angolan women hybridizing with apes have been appearing for more than three centuries (more information about Angolan ape-humans appears below).

human-chimpanzee hybrid Oliver, an alleged humanzee

human-ape hybrid Azzo, an alleged ape-human

Oliver. Years ago, I was contacted, as an expert on hybrids, by the owners of Oliver, the supposed chimpanzee-human hybrid ("humanzee"). I told them that Oliver had no obvious physical traits linking him to humans that are not present in normal chimpanzees. True, he spent more time walking upright than chimpanzees normally do. But chimpanzees can be trained to do many things that humans do. My own opinion is that the owners wanted to play up the idea that he was a human hybrid so that they could cash in on the controversy. I do think they succeeded in doing that. Other cases, however, provide better evidence for the existence of ape-human hybrids.

Azzo. Another case that received a good bit of media attention back in the 1930s was that of "Azzo the Ape-man." This was an individual, living in Morrocco's Atlas Mountains, who supposedly was intermediate between an ape and a human being. But judging from photos, it appears that the only trait connecting him with apes was a small cranium. It was so small that it would seem to classify him as a microcephalic. A small brain is, of course, a trait of apes as well. But it is also a trait of many human beings. No other features seem to connect him with apes. Indeed, the only other simian trait commonly mentioned in connection with Azzo was his supposedly long arms, which allegedly hung below his knees. One of the few photos showing his arms hanging at his sides, shown above, demonstrates that this claim about his arms simply wasn’t true. In short, it seems clear that he was simply a skinny microcephalic and not an ape-human hybrid at all.

human-chimpanzee hybrid Gordon Gallup

Orange Park. In a 2018 interview, Gordon Gallup, a psychologist at the University at Albany in New York, claims that an ape-human hybrid was produced in a Florida laboratory in the 1920s. The Sun’s article states that

Gallup, who developed the famous mirror “self-recognition” test which proved primates could acknowledge their own reflection, claims his former university professor told him that a humanzee baby was born at a research facility where he used to work.

Speaking to The Sun Online, he said: “One of the most interesting cases involved an attempt which was made back in the 1920s in what was the first primate research centre established in the US in Orange Park, Florida.

“They inseminated a female chimpanzee with human semen from an undisclosed donor and claimed not only that pregnancy occurred but the pregnancy went full term and resulted in a live birth.

“But in a matter of days, or a few weeks, they began to consider the moral and ethical considerations and the infant was euthanised.”

Gallup said the professor worked at Yerkes before the research centre moved to Emory University in Atlanta, Georgia in 1930.

He added: “He told me the rumour was true. And he was a credible scientist in his own right.”

Il'ya Ivanov
Ivanov

Ivanov. During the 1920s Russian biologist Il'ya Ivanov attempted to produce ape-human hybrids by impregnating chimpanzees with human semen (Rossianov 2002). However, he managed to carry out only three such inseminations, so his failure to produce any actual hybrids is not surprising. Hybrid crosses typically require more, in some cases many more, inseminations to produce a pregnancy than do ordinary matings between two animals of the same kind.

Wethersfield, New York. The Star-Gazette (Elmira, N.Y., May 26. 1894, p. 6, col. 4; ||yaxl4oh8) ran a notice about a nondescript born at Wethersfield. The relevant part of the report said that

a remarkably queer offspring has been born to Mr. and Mrs. Lewis Walker of that place. The body and face of the infant, it is said, is covered completely with a heavy growth of hair and in appearance it strongly resembles a monkey. The unfortunate freak of nature is attracting great interest and many curious ones are anxious to get sight of it.
Note: Records show that a Lewis Jacob Danforth Walker (b. Jul. 1849, d. Mar. 28, 1913) lived in Wyoming County throughout his life, as did his wife Susan M. A. Turner (Aug. 1860, d. May 23, 1908), and that they were both living in Wethersfield in 1894. Records also show that they had a son Boyd on April, 6, 1894, who was still alive in 1915, at which time he was working as a laborer on his older brother George's farm in Wethersfield. His World War II draft card shows that Boyd was living at Arcade, in Wyoming County, in 1942. The card bore his crudely scrawled signiture. Thus, whether an ape-human hybrid or not, Boyd Walker could write and reached at least the age of 48.

Parkersburg, West Virginia. A woman supposedly gave birth to an ape-human hybrid in Parkersburg in 1888. From the St. Louis Post-Dispatch, (Oct. 7, 1888, p. 6, col. 2):

Parkersburg, W. Va., October 6.—A woman of this city has just given birth to a hideous monstrosity. Its head, shoulders and part of its body exactly resembles an ape. It is said she attended a circus and became frightened at an old ape in the monkey cage.

Henderson County, Kentucky. The following appeared in the Indianapolis, Indiana, State Sentinel (Oct. 31, 1883, p. 5, col. 1):

A negro woman in Henderson County, Ky., gave birth to a monstrosity one day last week, in the shape of a half human, half ape. From the waist up, it was a perfectly formed ape, while the lower extremities were human in every particular. It was born dead.

Contrary to popular belief, many hybrids do have a composite appearance in which the front part of the body is closely similar to one parent and the hind portion, similar to that of the other. So it's possible, at least in terms of the general rules of hybridization, that the creature described in this Kentucky report actually did have an upper half like an ape, but a lower one like a human being. Indeed, it's interesting that most, though not all, of the descriptions given in reports say that the putative hybrid resembled an ape in its upper parts and a human in its lower.

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ape-human hybrid Capuchin monkeys (Cebus capucinus)

Wilmington, North Carolina. Another such birth reportedly took place in the Brooklyn neighborhood of Wilmington in 1874. The report is from the Wilmington Star. (quoted in the Patriot, Greensboro, N.C., Apr. 1, 1874, p. 2, col. 6), was copied from The primate sire implied seems to be a capuchin, which was the kind of monkey normally kept by organ grinders.

A lusus naturae—Part child and part monkey—One of the most mysterious and unaccountable freaks of Nature that we have heard or read of in a long time has come to light in this community. Some time during last week a child was born in that part of the city known as Brooklyn, the head of which in almost every particular resembled that of a monkey. The child was perfectly formed in every respect save the extreme length and slenderness of its arms, and formation of its head, neck and face, and facial organs. The ears, eyes, nose, mouth, forehead and arms are indisputably those of a monkey in all the characteristics of form and feature. On the head is a formation of peculiar flaky skin, or scale, (cark, light and brown colors) resembling the skull cap usually worn by an organ-grinder's monkey, and it would seem was intended by nature to carry out this representation. The child was still-born and we learn will be preserved in alcohol for the benefit of science.—Wilmington Star.
telenothians
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Richmond, Mississippi. In the Medical and Surgical Reporter (1861, vol. 6, p. 318; ||yxfjyspp), Dr. M. M. Davis, who at the time was residing at Richmond, Mississippi, gives the following account of the expelled uterine contents of a woman "who had taken a great fancy to a monkey, and miscarried."

From its neck it had the appearance of a well-formed four months male foetus, while its head, mouth, nose and ears resembled those of a monkey. Its left eye had no lids, but all the ball and membranes seemed to be as blue as indigo, all of which was covered by a thin transparent membrane. The right eye was not discernable.
†. Census data indicates that the Dr. M. M. Davis quoted here is likely Dr. Moses Marion Davis (1836–1903), residing in Itawamba County, Mississippi, in 1860. Biographical information from Ancestry.com: "Dr. Moses Marion Davis of Nettleton, Mississippi, became a member of the medical profession in 1858, when he graduated from medical school in New Orleans. The Doctor came to Mississippi with his father while he was still a youth. He has since lived in Monroe and adjoining counties. He received his education in the common schools of the country, and in 1855 began the study of medicine with Drs. Young and Armstrong. After finishing a course of reading with these physicians, he entered medical school. Graduating in 1858, he began practicing at Planterville, but moved to Richmond and then to Eureka, where he resided twent-one years. January 5, 1860 the Doctor was united in marriage to Cornelia U. Barnes, daughter of William and Mary Barnes. Her father died in 1863, but the mother survived until 1875. Dr. and Mrs. Davis were the parents of ten children."

New Orleans, Louisiana. The report below, alleging that a woman gave birth to a baboon-like offspring, is from the New Orleans Crescent (quoted in the Washington, N.C., North State Whig Oct. 6, 1841).

Lusus Naturae.—Yesterday morning we were invited by Dr. Rogers to see a child which had been born dead about three hours previous. It appeared to be well formed in all respects, except the head, which was that of a baboon.—There was no elevation above the eyes, and no frontal development—the top being perfectly flat. The mother is a slave belonging to Mr. Shall, of the City Hotel, who with a very commendable regard for science, has presented it to Dr. Mackie of the Circus Street Infirmary, but whether for dissection or preservation, we know not—probably the latter. There was a poile or hair upon the child such as covers a monkey; the eyes were large and seemingly blue; but the nose, mouth, and chin were baboon entirely.—During the period of gestation, a monkey which as kept in the yard, when angry, jumped upon the mother, and thence in all probability this singular freak of nature. The child was of the feminine gender, as large as newly born children generally.—N. O. Crescent.

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ape-human hybrid A nineteenth-century view of Plancoët.

Plancoët, Brittany. In a report (“Sur une fille qui ressembloit d’une guenon”) that appeared in the journal Recueil Périodique d’Observations de Médecine, Maréchal (1757, pp. 231-232) describes a “girl” in his hometown of Plancoët: “Some years ago there died here in Plancoët a five-year-old girl who looked

and behaved exactly like a chimpanzee. [The word used in the French original was guenon. French Wikipedia says guenon was formerly used to refer to a female ape, especially a chimpanzee.] She never learned to speak, but she did howl, just like a true ape. She was always scratching her thighs, would take what was given her to eat with both hands and lift it to her nose to sniff, and engage in all sorts of truly apelike behavior. She had difficulty in holding herself erect and walked far more easily on all fours. Some gullible people claim that the girl was affected in this way only because her mother too attentively regarded a certain ape with whom she had been quite familiar. [Translated by E. M. McCarthy. Original French]

Note that in this last cited case (Plancoët), nothing is mentioned about the individual in question having any human traits. The only human connection, at least by the description, was that she was the offspring of a human mother. So there is nothing to indicate a composite (hybrid) character. However, it seems highly unlikely that any woman would choose to adopt an ordinary ape and pass it off as her child. So perhaps this was simply a case of a hybrid closely resembling only one of its parents, which here would be the ape sire. Such hybrids, with a biased resemblance toward one parent, are known to occur in a wide variety of mammalian crosses.

Wittenberg. The German periodical Wittenbergsches Wochenblatt (March 8, 1776, p. 76) states that on January 21, 1771, the wife of a manual laborer gave birth to a stillborn fetus with the head and face of a monkey (the term used in the German original was Meerkatze, which generally refers to any primate belonging to the family Cercopithecidae, i.e., Old World monkeys).

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ape-human hybrid The Soldin Nondescript. A supposedly true-to-life copperplate etching of a female offspring birthed by a woman at Schönberg in 1768 (Schönwald 1774).

Schönberg. In the beginning of a long report describing what may have been an ape-human hybrid, Dr. C. G. Schönwald (1774, pp. 565-566) wrote "In January 1768, in the village of Schönberg near Soldin in East Brandenburg [since 1945, Myślibórz in Poland], the wife of a farmer named Friedrich Neumann gave birth to a daughter whose entire back from the neck down to the small was like an ape, and covered with the same kind of hair, which reached on both sides to the sides of the stomach. In addition, there were various larger and smaller patches of the same kind, both on the child's body and on her face" (translated by E. M. McCarthy). The mother was 34 years old and already given birth to 11 children without mishap. Schönwald says the figure above is accurate and that the brown hair was like that of an ape or monkey (German Affe could mean either) and so thick that the skin could not be seen through it. He accounted for this case in terms of the now discredited theory of maternal impressions in which a mother's offspring is shaped by things that a mother sees during pregnancy. In this case, she had seen an ape in the street.

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ape-human hybrid According to an eighteenth-century pamphlet, a woman in the town of Stein, in Germany, a few miles southwest of Nuremberg, gave birth to an ape-human on Feb. 20, 1739. Supposedly, this nondescript, a female, died two days after birth. The report was accompanied by the picture above. (Source)

Guinea. As used here, the name Guinea refers, not to the modern country, but to the region of Africa historically designated by that name, which includes all of the countries on the Gulf of Guinea (today, those between, and including, Ghana and Angola). Bognan (1990, p. 25) states that in 1738 a colonial American newspaper carried an advertisement about an ape-human hybrid. The creature, it claimed, “was taken in a wood at Guinea; ’tis a female about four feet high in every part like a woman excepting her head which nearly resembles the ape.” This is apparently the same creature subsequently described in the London Magazine (Sep. 1738, pp. 464-465):

A most surprizing Creature is brought over in the Speaker, just arrived from Carolina, that was taken in a Wood at Guinea: it is a Female about four Foot high, shaped in every Part like a Woman, excepting its Head, which nearly resembles the Ape: she walks upright naturally, sits down to her Food, which is chiefly Greens, and feeds herself with her Hands as a human Creature. She is very fond of a Boy on board, and is observ'd always sorrowful at his Absence: She is cloathed with a thin Silk Vestment, and shews a great Discontent at the opening of her Gown to discover her Sex. She is the female of the Creature, which the Angolans call Chimpanze [sic], or the Mockman.

From the report, then, it's unclear whether this creature from Carolina was simply a chimpanzee or a nondescript intermediate between humans and chimpanzees.

There are, however, early reports from the Guinea region specifically referring to hybridization between humans and apes. Antonio Zucchelli (1663-1716), the Italian Franciscan capuchin friar, was a missionary in Africa from 1698 to 1702. In his account of his travels in Brazil and Africa, he tells of women being impregnated by monkeys or, possibly, apes (the term used in the Italian original was "Macachi grandi," which cannot here refer to a macaque, as macaques do not occur in sub-Saharan Africa). So the term is here translated vaguely as "big monkeys," where monkeys is meant in its broad sense as including apes. The only primates that in this broad sense would qualify as big monkeys, and that are native to northern Angola (the location of Luanda), would be yellow baboons (Papio cynocephalus), chimpanzees (Pan troglodytes) and gorillas (Gorilla gorilla). The passage in question is here translated from a German edition of his book Zucchelli 1715, pp. 147-148. It reads,

All the monkeys or apes found here differ from those in Brazil. Here they are of all sizes, small, medium and large. And because they are all extremely lustful, it indeed very often happens that the blacks have intercourse with these big monkeys or apes, They are impregnated by them and ultimately bring forth monsters. A few years ago, the same occurred here in the city of Luanda. Two black women impregnated in this way, when their time came, gave birth to monkeys. [The translation of this last sentence, unclear in the German edition, was based on the Italian original (p. 107).] One of these fell to the lot of the Governor, which he plans to take back to Lisbon on his return to Portugal. The other was given to our brotherhood here in Luanda, which also lived for several years at the hospital before he died. Those who saw him tell me he truly had features more like those of a human being than a monkey. [translated by E. M. McCarthy]

Rochester, England. In the Philosophical Transactions of the Royal Society (1741, no. 461, pp. 764-767), William Gregory, a physician practicing in Rochester, gives an account of a woman giving birth to a fetus "resembling a monkey," but give no particulars as to the appearance of this tertium quid, nor does he provide a picture. According to his statements, the birth occurred in September 1731.

Trévoux, France. Another case is that of a nondescript born at Trévoux, a suburb of Lyon, on October 18, 1713 (Le Brun 1714). It lived three days. Briefly, the child or hybrid, as may be, had a flat nose, large canines, a severely cleft palate, long arms, legs and digits and a hairy body. These features, together with the fact that the mother was in charge of the daily care of an ape (“singe”) belonging to a local resident, led to the conclusion that her offspring was in fact a hybrid. However, the French word singe, as in the case of its English counterpart ape, is used loosely to refer to monkeys as well as apes proper (i.e., gibbons, chimpanzees, bonobos, gorillas and orangutans). So even if it were known that this creature was in fact an ape-human hybrid, there would remain a question as to the exact type of primate involved.

Eberhard Gockel
Eberhard Gockel
1636-1703
Nicolas de Blégny
Nicolas de Blégny
1652-1722

Ulm, Germany. Ulm physician Eberhard Gockel (1700, p. 151) states that "A year or two ago, I attended the wife of a military constable ("Steckenknechts") who gave birth to an infant whose upper body was like that of an ape" (translated by E. M. McCarthy).

Paris. Nicolas de Blégny (1652-1722), personal physician to King Louis XIV, said a discussion was held in the Academy of Sciences in Paris about a woman who had birthed a child that was hairless, but which "was like an ape with respect to its face, arms, legs and trunk, with the exception of its hair" (Blégny, 1686, pp. 96-97). He also said he had seen it himself. (Many reports about human-animal hybrids mention the absence of a hair coat.) It was invested in a fleshy layer, he said, like a toga, which led some to say the mother's imagination had been affected by the sight of an ape in a toga she had seen on stage while pregnant, and that this was the reason her child had been born having the appearance it did. This case is clearly the same as that described in the second volume of Philosophical Transactions of the Royal Society (1667, pp. 479-480).

colobus monkey
Colobus guereza

Blégny mentions that it also lacked thumbs. All primates have five digits on their thumbs, except for the spider monkeys of South America and the colobus monkeys of Africa, in both of which the thumb is small or absent. Wooly spider monkeys (genus Brachyteles), which are structurally intermediate (and thus likely derived from hybridization) between spider monkeys and wooly monkeys, also either have small thumbs or entirely lack them. A black-and-white colobus (Colobus guereza) is shown at left.

Saxony-Anhalt, Germany. In a book describing cases he had encountered during the course of his work, Philipp Salmuth (1648, p. 66, obs. 15 ), a physician practicing in Saxony-Anhalt (in both Dessau and Zerbst), writes,

A nobleman, who will remain anonymous, used to keep an ape, which would caper about round his dinner table. This man's wife, while pregnant, very often played with this animal, and she later birthed a child that was an ape down to the waist (this was the part of the ape she could see when he was prancing round the table), but from there down was human, a sad sight. Sadder still, however, is it that this monster is still nursing. [Translated by E. M. McCarthy]
Gerhard Blasius
Gerhard Blasius
1627-1682

Blasius. The Dutch physician and anatomist Gerhard Blasius (1627-1682) gives the following account. "Aberrations worthy of consideration were present in a twelve-year-old boy, who was exhibited for profit by his parents. Scarcely two feet tall, with the face of an ape, he produced no articulate voice, only a harsh hissing and laughter. He was extremely hairy all the way down to his thighs…The pregnant mother had been frightened by a baboon" (Blasius 1674, pp. 123-124; translated by E. M. McCarthy).

baboon
A baboon, as depicted by Jean-Baptiste Audebert (1799; ||yzclffy2). Note the similarity of the hind feet and tail to the Museum Vrolik specimen pictured at the top of this page.

Baboons. By this time, the reader may have noticed that a good many of the reports about ape-human hybrids refer to baboons. These animals have, for a long time, had a reputation for taking a violent sexual interest in women. Thus, the French artist and naturalist Jean-Baptiste Audebert (1799) commented that

Baboons are, in fact, the most ferocious of the monkey tribe. This is not because they are more brutish than other apes, but because they are more malicious. Those that one sees in the menageries let out horrible cries when any spectator dares to caress a woman in their presence. It would be dangerous, in fact, to let them have sticks or stones, with which these animals would not fail to wound those who excite their jealousy. The same cries are elicited if anyone touches their keeper. He can approach them without danger. The captive animals will permit him to touch them and even seem to encourage him to do so, by rubbing themselves against the bars, and by presenting him with their rear end. But if that same man approaches a woman, and touches her, the baboon won’t stand for it. He leaps. He cries out. He jerks mightily at his chains and shows the same rage towards his master,as towards a stranger. [Translated by E. M. McCarthy]

ape-human hybrid
Man with an ape-like nose and mouth (1660)
Wenceslaus Hollar, after Leonardo da Vinci
ape-human hybrid
Passage in which a professor of medicine at the University of Leuven, Thomas Fienus, claims that a woman was then living in Antwerp, who had a face like an ape and who made gestures like an ape (Fienus 1608, p. 11p).
ape-human hybrid
Title page of a pamphlet published in Paris in 1598 by Fleury Bourriquant.

Messina. The picture shows the title page of a pamphlet telling the tale of a supposed ape-human hybrid being birthed at Messina by a 19-year-old girl by the name of Hippolyta Biscontina. The author, Fleury Bourriquant, says that under torture Biscontina eventually admitted to having repeated engaged in coition with a pet ape. He goes on to say that she was then publically tormented with pincers in all the crossroads of the town before being burnt at the stake, along with the supposed ape sire and her hybrid offspring (which according to the report had lived only three days). In the illustration, note the tail, which would seem to preclude the idea of a chimpanzee-human hybrid. Indeed, Bourriquant's description ("a large ape with a tail") suggests a baboon. Hamadryas baboons (Papio hamadryas), in particular, have a long history of domestication, dating back to early Egyptian times. Bourriquant based his information on a Siennese original, now apparently lost.

Hamadryas baboons. In Yemen, Hamadryas baboons, also known as dog-faced baboons, have been popular as sex partners for both men and women, and in Sudan and Ethiopia women are reported to smuggle them into harems to have sexual relations with them (Edwardes 1959; Masters 1962; Bagley 1968). Hamadryas baboons were sacred in ancient Egypt (hence, their alternative name, Sacred Baboon), where both men and women reportedly engaged in sex with them (Masters 1962; Bagley 1968; Ramsis 1969). They are known to have been present in Egypt at a very early date (Predynastic Period). They were popular there as pets, and tomb paintings show them on leashes or playing with the children of the household. When temple baboons died, priests performed the Opening of the Mouth ceremony upon them, something usually reserved for humans. They were mummified and adorned with jewelry and buried in wooden or limestone coffins. In many cases they were worshiped after death as incarnations of the god Osiris. The mummified remains of Tuthmosis II’s pet baboon were found sharing his tomb. The Egyptians considered sacred baboons as among the most lustful of animals, which was perhaps their reason for adding their feces to aphrodisiac salves.

ape-human hybrid
Bald uakaris (Cacajao calvus), which reside mainly in the Amazonian drainage of Peru, seem to fit the imagination's notion of a human-monkey hybrid.

Pedro Cieza de León In his book Crónicas del Perú (1554, part 1, pp. 170-171) the Spanish conquistador Pedro Cieza de León says that when he questioned the indigenies of Peru about the peoples inhabiting the interior, he was told, among other things, that they hybridized with some kind of large ape residing there. Cieza de León's tale is more dubious than most accounts mentioning ape-human hybrids, first because he says himself that he is relying on hearsay and, second, because there are no large apes in South America. The largest would probably be one of the howler monkeys, which weigh only about 15 pounds at maturity. At any rate, the following is an English translation of the relevant passage.

Deep in the mountains they say there are peoples so rustic that they have neither houses nor clothes, and about like animals, killing for food with arrows whatever birds and beasts they can. These have neither rulers nor captains and live in caves and hollow trees, they say, some in one place, others in others. And they say that there are also some very large monkeys (though I have not seen them) that live in the trees there, whom, through the temptation of Devil (who is always seeking how and where to make men commit the worst sins), they use like women. And they affirm that some of these give birth to monsters with heads and pudenda like those of men, but the hands and feet of a monkey. They say, too, that they have monstrous little bodies all covered with hair, and that in the end these grow up to look like the Devil their father (if it is true what they say). They also say that they cannot talk, but instead have a bloodcurdling howl. I cannot confirm any of this, and only say what I have heard, but many from hearsay, claim that their women—and it gives me great pain to mention this—have given themselves to mules, dogs, stallions and other beasts. It may be that such is the case. [Translated by E. M. McCarthy. Original Spanish: "Bien adentro destas montañas y espessuras afirman que ay gente tan ruftica que nitienen casa ni ropa antes andan como animales matando con flechas aues y beftias las que puede para comer y que no tienen señores ni capitanes saluo que por las cueuas y huecos de arboles se allegan ynos en vnas partes y otros en otras Enlas mas de las quales dizen tambié que yo no las he visto quç ap vnas monas muy grandes que andan por los ar boles con las quales por tentacion del Demonio (quien siempre busca como y por donde los hombres cometeran mayores pecados y mas graues) estos usan con ellas como con mugeres y afirman que algunas parian monstruos que tenian las cabeças y miembros deshonestos como hombres y las manos y pies como mona. Son segun dizen de pequeños cuerpos y detalle monstruoso y vellosos. En fin păresceran (si es verdad que los ay) al Demonio su padre. Dizen mas, que no tienen habla, sino un gemido o aullido temeroso. Yo esto ni lo afirmo, ni dexo de entender, que como muchos hombres de entendimiento y razon, y que saben que ay Dios, gloria, y infierno, dexando a sus mugeres se han ensuziado con mulas, perras, yeguas, y otras bestias que me da gran pena referirlo, puede ser, que esto alsi sea."]
baboon-human hybrid
A passage in Sir Edward Coke’s Institutes of the Lawes of England, stating that the English statute against buggery, passed in the 25th year of the reign of Henry VIII (1533), was extended to encompass women because “somewhat before the making of this Act, a great Lady had committed Buggery with a Baboon, and conceived by it, etc.” The etcetera may have been included to imply that the pregnancy came to term. The Institutes are a series of legal treatises widely recognized as a foundational document of the common law. They have been cited in over 70 cases decided by the Supreme Court of the United States (source: 1648, part 3, p. 59; ||32muzuzr).
Saint Peter Damian
Saint Peter Damian

ape-human hybrid Alexander II (reigned 1061-1073), the only 11th century pope of that name.

Damian. In his De bono religiosi status et variarum animantium tropologia, the 11th-century cardinal Saint Peter Damian has a chapter on apes [Ch. XXIX]. In it, he tells of a certain Count William of Liguria, in northern Italy, whose pet monkey became his wife’s lover. The animal in question is referred to as a "maimo," which may refer to a macaque, since the eighteenth-century naturalist Buffon refers to the Pig-tailed Macaque (Macaca nemestrina) as the "Maimon" (and since the French-language version of Wikipedia redirects the query maimon to the page for M. nemestrina). Given that most macaques are native to southeast Asia, the only macaque that would have been easily accessible to an eleventh-century Ligurian count would have been the Barbary Macaque, also known as the Barbary Ape (Macaca sylvanus), which is native to northwestern Africa. The relevant passage in translation reads,

Now what follows is something I heard from the lord Pope Alexander less than a month ago. He told me that recently Count William, who lives in the district of Liguria, had a male monkey, called a maimo in the vernacular. He and his wife, a completely lewd and wanton woman, used to play in shameless fashion with him. I myself have met his two sons, whom this vile woman, who deserves a beating, had borne of a certain bishop whose name I will omit, because I do not enjoy defaming anyone. She often used to play with the lecherous animal, taking it in her arms and fondling it, and the monkey in the meantime gave signs of being aroused and tried with obvious effort to come close to her nude body. Her chambermaid said to her, “Why don’t you let him have his way so we can see what he is after?” What more should I say? She submitted to the animal, and, what a shameful thing to report, it mated with the woman. This thing became habitual, and she frequently repeated the unheard of crime.

One day when the count was in bed with his wife, the maimo, aroused by jealousy, suddenly jumped on both of them, tore at the man with his arms and sharp claws as if he were his rival, got him by the teeth and wounded him beyond all recovery. And so the count died. Because the innocent man had been faithful to his wife and had fed this animal at his own expense, he had expected no evil from either. He had shown them only kindness. But what a heinous crime! The wife shamefully ignored his marriage rights, and the beast sank his teeth in his master’s throat.

It was reported to the same pope while I was with him that a certain boy, who seemed big for his age, even though, as it was said, he was already twenty years old, was still completely unable to speak. Besides, he had the appearance of a maimo, and that was also what they called him. And so the unfortunate suspicion arose that something like a monster, I will not say a wild animal, was being brought up in its father’s house. [Translated in: Peter Damian. Letters 61-90, O. J. Blum translator, Letter 86, pp. 296-297.]

Many people doubt the existence of ape-human hybrids. But such a notion is far less controversial than the idea of humans successfully creating offspring with animals considered more distantly related. And yet, many such hybrids have been reported and some of these more distant crosses are far better documented than those between humans and the various apes. If you want to learn more about some of these more distant human-animal crosses, follow the links in the list below.



An old news notice about “Heine and Fritz” >>

An old news notice about an ape-human hybrid >>



human-chimpanzee hybrid The screenshot above was taken from The Medical Brief ( 1893, p. 1344).

An interesting claim, made by a physician, about a humanzee produced at the University of Pennsylvania, is shown in the screenshot above. However, extensive efforts to corroborate the good doctor's claim have yielded nothing. Anyone with additional information about this case is invited to contact the website.



ape-human hybrid

Incertae Sedis

A woman, Maria de Jesus, born in Brazil in 1964 has been alleged to have had many simian characters. However, although her appearance in the photo above is abnormal, she seems to have no traits that are specifically apelike. Possibly she does represent a hybrid of some kind, but what kind, if any, is unclear, thus the classification here of incertae sedis.

Great ape hybrids >>

Bonobo × Chimpanzee >>

Ape to human >>

Table of contents >>

Bibliography >>

Biology Dictionary >>

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


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