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Our Inner Ape Hardcover – October 6, 2005
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Visit the author's Web site at www.ourinnerape.com
It’s no secret that humans and apes share a host of traits, from the tribal communities we form to our irrepressible curiosity. We have a common ancestor, scientists tell us, so it’s natural that we act alike. But not all of these parallels are so appealing: the chimpanzee, for example, can be as vicious and manipulative as any human.
Yet there’s more to our shared primate heritage than just our violent streak. In Our Inner Ape, Frans de Waal, one of the world’s great primatologists and a renowned expert on social behavior in apes, presents the provocative idea that our noblest qualitiesgenerosity, kindness, altruismare as much a part of our nature as are our baser instincts. After all, we share them with another primate: the lesser-known bonobo. As genetically similar to man as the chimpanzee, the bonobo has a temperament and a lifestyle vastly different from those of its genetic cousin. Where chimps are aggressive, territorial, and hierarchical, bonobos are gentle, loving, and erotic (sex for bonobos is as much about pleasure and social bonding as it is about reproduction).
While the parallels between chimp brutality and human brutality are easy to see, de Waal suggests that the conciliatory bonobo is just as legitimate a model to study when we explore our primate heritage. He even connects humanity’s desire for fairness and its morality with primate behavior, offering a view of society that contrasts markedly with the caricature people have of Darwinian evolution. It’s plain that our finest qualities run deeper in our DNA than experts have previously thought.
Frans de Waal has spent the last two decades studying our closest primate relations, and his observations of each species in Our Inner Ape encompass the spectrum of human behavior. This is an audacious book, an engrossing discourse that proposes thought-provoking and sometimes shocking connections among chimps, bonobos, and those most paradoxical of apes, human beings.
- Print length274 pages
- LanguageEnglish
- PublisherRiverhead Books
- Publication dateOctober 6, 2005
- Reading age18 years and up
- Dimensions6.24 x 1.04 x 9.24 inches
- ISBN-101573223123
- ISBN-13978-1573223126
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De Waal's respect for both his readers and his research subjects come shining through in the simple clarity he uses when describing both the endless sex of bonobo apes and the heartrending violence occasionally present in chimp hierarchal structure. By illustrating his points with a mixture of straight-from-research experiences and jokes at the expense of modern politicians, he keeps his ideas compelling for anyone with a basic understanding of evolutionary science without drifting towards the academic drone that could be expected of by a researcher of his experience.
You won't find specific conclusions concerning human nature, but instead a gentle, almost rambling look at two primate species with vastly different social networks and how, perhaps, humanity can learn from each to our benefit. A few of de Waal's lovely duotone photos (My Family Album: 30 Years of Primate Photography grace the end of the book, featuring close-up shots of the folks he's been writing about--chimps like Yeroen, Nikkie and Mama, and bonobo Kuif and adopted daughter Roosje are downright thrilling to see after reading such interesting stories about their lives. Jill Lightner
From Publishers Weekly
Copyright © Reed Business Information, a division of Reed Elsevier Inc. All rights reserved.
From Scientific American
Henry Gee, who lives in London, is a senior editor of Nature and former Regents' Professor at the University of California, Los Angeles. He is author of The Science of Middle-earth (Cold Spring Press, 2004) and Jacob's Ladder: The History of the Human Genome (W. W. Norton, 2004).
From Booklist
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Review
“An enlightening look at ourselves”—The Atlanta Journal-Constitution
"[An] excellent book . . . This is a rarity, a superb scientist producing an excellent book for non-specialists . . . De Waal covers [his topic] with great wisdom and subtlety . . . This should be required reading for the opinionated cousins (or better yet, world leaders) whose ancient encounters with Robert Ardrey or Konrad Lorenz have led them to believe what kind of ape we are."—Nature
“De Waal demonstrates why he is the current Alpha Male of American primatology. Decades of cutting-edge research on apes (and monkeys too) lend vibrancy to his words, and authority to his conclusions”BookSlut.com
"De Waal offers vivid, often delightful stories of politics, sex, violence and kindness in the ape communities he has studied . . . Readers might be surprised at how much these apes and their stories resonate with their own lives, and may well be left with an urge to spend a few hours watching primates themselves at the local zoo."—Publishers Weekly (starred review)
"Fascinating and enlightening: It's hard not to conclude that, in many ways, apes may be wiser than their upright relatives."—Kirkus Reviews (starred review)
"For more than a quarter-century Dutch primatologist Frans de Waal has been unlocking the uncanny parallels between [chimp] behavior and our own . . . Our Inner Ape is filled with fascinating examples of how human behavior can be explained by our ape ancestors."—Outside Magazine
"An informative and engaging work."—Library Journal
"De Waal is perhaps the most literate, entertaining, and soulful of the cognitive ethologists."—Los Angeles Times
"De Waal is an original thinker and writes with such a light hand that the reader can take a stimulating ride through his imaginative philosophical discourse."—Boston Globe
"A new book on the human species by de Waal, one of the world's great experts on primate behavior, is an eagerly awaited publishing event. By turning his binoculars on the human species, he provides us with a revealing picture of the inner ape—what lies inside each and every one of us."—Desmond Morris, author of The Naked Ape
"Frans de Waal is uniquely placed to write a book on the duality of human nature and on its biological origins in the other primate species. No other book has attempted to cover this ground. Few topics are as timely to the understanding of the human mind and behavior."—Antonio R. Damasio, author of Descartes' Error
"One of the important disciplines that is generating new knowledge about human nature is primatology. Frans de Waal is the best-qualified scientist not just to describe the results of this research, but to draw out a balanced understanding of what it implies about contemporary politics and social policy."—Francis Fukuyama, author of The End of History and the Last Man
About the Author
Product details
- Publisher : Riverhead Books; First Edition (October 6, 2005)
- Language : English
- Hardcover : 274 pages
- ISBN-10 : 1573223123
- ISBN-13 : 978-1573223126
- Reading age : 18 years and up
- Item Weight : 1 pounds
- Dimensions : 6.24 x 1.04 x 9.24 inches
- Best Sellers Rank: #449,942 in Books (See Top 100 in Books)
- #53 in Primatology
- #1,379 in History & Philosophy of Science (Books)
- #2,094 in Behavioral Sciences (Books)
- Customer Reviews:
About the author

I am a Dutch/American biologist, born in 1948 in Den Bosch, the Netherlands. I have lived in the USA since 1981.
My passion is primate behavior, and the comparison between primate and human behavior. I pursue the first as a scientist and the second as the author of popular science books. For me, there is nothing more logical than to look at human society through the lens of animal behavior. I have a Ph. D. in biology and ethology (the study of animal behavior) from the University of Utrecht.
My first book, "Chimpanzee Politics" (1982), compared the schmoozing and scheming of chimpanzees involved in power struggles with that of human politicians. The book was put on the reading list of congress in Washington. Ever since, I have drawn parallels between primate and human behavior, from aggression to morality and culture.
Gender differences are a logical subject for a primatologist since the gender debate always turns around. the interaction between nature and nurture. Despite attempts to separate gender from biology, as if it were purely a human construct, the reason we have a gender duality is that our species has two sexes to begin with. I agree that the sexual binary is a mere approximation (even at the biological level, it has exceptions and intermediates), but still, the way the sexes differ in other primates tells us something about ourselves.
My latest book "Different: Gender Through the Eyes of a Primatologist" (Norton, 2022) compares sex differences in three closely related species: humans, chimpanzees, and bonobos. It tries to dispel the idea that only humans have genders and that only we have gender diversity. Other primates, too, adopt sex-typical behavior from watching others, hence have genders. They show the same array of gender expressions celebrated under the LGBTQ flag. My book pays attention to non-conforming individuals as well as homosexual behavior among the primates.
Since childhood, I have been an animal lover, and in fact -- even though my career has focused on primate behavior -- I am interested in all sorts of animals, including fish and birds, but also elephants and dolphins. My book on animal intelligence -- "Are We Smart Enough to Know How Smart Animals Are?" (Norton, 2016) -- reflects this broader interest, as it covers a wide range of species.
My wife, Catherine, and I live in a forested area near Smoke Rise, in Georgia, a state we love. I retired from my position at Emory University in 2019, right before the Covid crisis. I am still involved in primate studies, mainly at sanctuaries for great apes in Africa, but mostly devote my time to reading, writing, and touring to give lectures.
I am a member of the National Academy of Sciences as well as of the Royal Netherlands Academy of Arts and Sciences. In 2007, Time declared me one of The Worlds’ 100 Most Influential People Today.
My books have been translated into over twenty languages, appeared on the New York Times bestseller list, and received awards, such as:
• The 2020 PEN / E.O. Wilson Literary Science Writing Award for "Mama’s Last Hug"
• The 1989 Los Angeles Times Book Award for "Peacemaking among Primates"
More on my background on the following website:
https://www.emory.edu/LIVING_LINKS/bonobo_atheist/author1.shtml
My public Facebook page with 750K followers announces upcoming lectures:
https://www.facebook.com/franspublic/
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But he doesn't say much at all about another major player in human affairs, which is neither "evil" nor "good": plain stupidity. His book was published in 2005, far as I know no one has taken his excellent advice, why? Could be stupidity. He spends so much time trying to point out how apes are as clever as us in many ways it probably wouldn't have worked if he'd also argued man is the stupidest animal ever "the only animal that can't tell fantasy from reality" as the bestselling shrink Dr Al Bernstein put it ( he also states, again somewhat humorously, we are likely to oppose or dismiss evidence, no matter how strong, that we might not be perfect unless we are depressed, a bit of a problem for the truth, it's interesting many (most?) of the great philosophers suffered depression) .
So what is human stupidity? Not sure, probably partly the need for males to be rather oblivious/attracted to danger in order to hunt, explore etc in early societies which he talks about. It's not clear being rather indifferent to your and others welfare is still beneficial in modern society. This indifference is probably achieved at least partly through an ability to focus exclusively on one small aspect of a situation (such as "the kill" in a hunt) a stereotyped male trait (women "multi-taskers"), marked feature of autism (much more common in males as De Waal notes) and a hallmark of industrial society with it's hyper-specialization.
The reason this makes us the stupidest animal is we have magnified our powers to that of gods, through countless innovations and inventions (at least industrial scientific man has, which is virtually everyone now) but by comparison are only slightly smarter than other apes and still unconsciously act on much the same instincts and tendencies (as our economy/environment becomes more desire/addiction based (Thompson. The Fix 2012) we may actually be getting even dumber than other apes in the sense of being more impulsive, despite the rising I.Q. (attributed to increased problem-solving, having more problems is not exactly a clear indication your house is in order)). We bite off far more than we can possibly chew (create problems too big & complicated to be solved with our intelligence & presumably instincts (usually because of narrow focus we think everything's super)) this is unique in the animal kingdom as far as I know, although I understand it is not unusual for a species to be responsible for it's own extinction in other ways. I don't know if there's a solution, the smaller scale, simpler, community units he advocates at the end (modest scale & complexity for our modest intelligence) might help but can we get there from here? Can Humpty be put back together again?
Another variant of stupidity seem to stem from ego, again I seem to have noticed more in us males. Big egos get over confident and think they can do no wrong, result :stupidity. Scientists who invariably want to "change the world" for no absolutely no reason other than to become the alpha male, with reckless, basically autistic (a scientific finding), disregard for the likelihood their invention will just be another nail in the coffin of the planet is just one example (e.g., advances that increase the human population, such as the sacred goal of "a cure for cancer" may contribute to the extinction of our and other species through overpopulation. Or Einstein would be the stupidest person in history so far, as he either didn't realize or didn't care his means of achieving primate dominance would be responsible for the atom bomb) I think this is hierarchy related, a big ego seem to result from thinking you're at the top, might be the rich list, might be delusions about attractiveness, coolness, moral &/or racial superiority.
Also insecurity at being toward the bottom of a hierarchy produces panic which leads to stupid 'thinking' in my opinion. I don't recall if de Waal writes about this, but another primate writer, Mazur, does (Biosociology of Dominance and Deference) noting those low in primate hierarchies are anxious, those higher up are usually calm. In my opinion there is a epidemic of insecurity in modern society, perhaps because the inequality is astronomical with globalism, I think this afflicts us males more as we need to display dominance to attract a mate, a female merely needs to mate with an "alpha" being lower in the hierarchy usually makes a female more attractive..
Balancing hierarchy with more egalitarian institutions as de Waal suggests might go a long way to healing this painful affliction, but it's not clear to me we are smart enough to do anything of the sort & most insecure men probably wouldn't be interested, better to play or watch some game where they can fantasize about being dominant.
I'm not suggesting we are completely stupid at all, just that's a player in our make-up that just could get the last word.........maybe the book has depressed me because it's so balanced, we're as good (depending on your perspective) as we are evil ( according to whatever that perspective happens to be) so why care either way about the fate of humanity? I suppose if you really don't care either way you won't have to suffer depression, you'll be emotionally neutral, like the neutral face people usually wear in public places.
In some ways, this book should really be called "The Inner Human of Apes," since the book focuses on the apes more than on humans. Since most readers know about human emotions, this focus makes sense. What makes the book so interesting is that de Waal knows chimps and bonobos so well that he can go beyond the stereotypical images of both species and provide some intimate anecdotes to illustrate his points. In particular, de Waal goes to great lengths to illustrate the entire spectrum of ape emotions and society, including regret, political alliances, jealousy, foresight, reconciliation, and empathy. These emotions, which many once believed to distinguish humans from animals, can clearly be seen in our next of kin.
Some of the anecdotes are so amazing as to make the book worth the purchase price alone. De Waal frequently invokes the political alliance of two male chimpanzees, Nikkie and Yoern. This pair resembled the relationship between a political master and upstart (think John Kennedy and Lyndon Johnson). At one point, Nikkie and Yoern got into a fight (as political allies occasionally do), and Nikkie bit Yoern on his leg. In order to make his younger colleague jealous, Yoern would subsequently pretend to limp whenever Nikkie was watching. Talk about seeking a sympathy vote!
By the end of the book, you'll realize that the real issue isn't whether apes feel emotions or engage in society, but whether we can understand their lives. De Waal describes the methodology of some of his experiments, but acknowledges that too often human experiments are designed by a human mind as if for human subjects. For example, one researcher who sought to assess whether chimps could tell faces apart, showed chimps pictures of different humans. When the chimps did not appear to recognize the differences, the researcher assumed they lacked that aspect of intelligence. However, when later researchers showed the chimps the faces of different chimps, the chimps could recognize the differences. Just as we have difficulty telling chimps apart from each other, they find it easier to recognize differences in chimp features than human faces. Thus, as de Waal notes, there are no stupid apes, just stupid experiments.
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