“An exuberant look at animal pleasure.”
The Exultant Ark: A Pictorial Tour of Animal Pleasureby Jonathan Peter Balcombe
“It is rare to find a scientist writing with such delight about, of all things, joy in the animal world! I have rarely experienced such pleasure in reading a book. I recommend it to all animal lovers, and even challenge a few skeptics, whose minds may be changed by this extraordinary work.”Jeffrey Moussaieff Masson, author of When Elephants… See more details below
“It is rare to find a scientist writing with such delight about, of all things, joy in the animal world! I have rarely experienced such pleasure in reading a book. I recommend it to all animal lovers, and even challenge a few skeptics, whose minds may be changed by this extraordinary work.”Jeffrey Moussaieff Masson, author of When Elephants Weep
“The Exultant Ark brilliantly and definitively demonstrates what pet owners have always known but what certain scientists still question, that animals think, feel, and have emotions, often pleasurable ones. It’s a must-read for anyone with even the slightest interest in the truths of the natural world. I couldn’t put it down!”Elizabeth Marshall Thomas, author of The Hidden Life of Deer and The Hidden Life of Dogs
“There is no question that the whales experience pleasure when they sing, that the wolf enjoys howling at the moon, that lion cubs enjoy wrestling with each other. I love books like this, that challenge the rigidity of human prejudices, that open our minds to other realities and revolutionary perspectives, that question both our collective ignorance and our arrogance as humans.”Captain Paul Watson, Founder and President, Sea Shepherd Conservation Society
"The Exultant Ark bubbles over with joy. Its important words and moving photographs offer powerful proof of what we knew was true all along: the pleasure of animals is vividly real and matters deeplyboth to the animals who experience it, and to we humans who are privileged to share their happiness. Rejoice!”Sy Montgomery, author of The Good Good Pig and Birdology
“An exuberant look at animal pleasure.”
“An irresistible new photo book.”
“Intersperses glorious images of animals preening, grooming and gallivanting with snippets of studies suggesting such behaviours belie an overly utilitarian interpretation.”
“Here is a book to put a spring into anyone’s step. The Exultant Ark is a celebration of animal behaviour at its most uplifting.”
“All readers of this column must immediately purchase Jonathan Balcombe’s fabulous book.”
“One of those rare volumes that will look good on your coffee table but might also change the way you think.”
“This visually stunning book opens our eyes to a different, more scientifically up-to-date way of looking at the animal kingdom. . . . Old attitudes fall away as we gain a heightened sense of animal individuality and of the pleasures that make life worth living for all sentient beings.”
“This is one of those rare volumes that will look good on your coffee table but might also change the way you think.”
“The studies he [Balcombe] invokes are hard to explain away. . . . Likewise, the photographs that make up the bulk of The Exultant Ark remind us that we are not as different from other animals on our planet as we like to think; the photos are anecdotal in nature, but they are utterly compelling.”
“Both the stunning photography and Balcombe’s masterful prose are welcome additions to the growing literary and scientific evidence that debunk long-assumed myths while continuing to eliminate the gap between ‘us’ and ‘them.’”
The New York Times
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Read an Excerpt
The Exultant Ark
A Pictorial Tour of Animal Pleasure
By Jonathan Balcombe
UNIVERSITY OF CALIFORNIA PRESSCopyright © 2011 Jonathan Balcombe
All rights reserved.
Of all the behaviors animals engage in, play is the least controversial in its suggestion of feelings of pleasure. Animal play has an unmistakable quality. The whole comportment of the participants exudes joie de vivre. Playing has an important role in survival. When animals and humans play games such as chasing, wrestling, or tug-of-war, they gain or maintain physical strength and learn important survival skills or proper social behavior. This is probably why play is more prevalent in younger animals: they are growing and have more to learn. But although it is important, play is not indispensable to survival. It occurs only when needs such as food, shelter, and safety are sufficiently met and when unpleasant feelings such as pain, fear, and anxiety are minimal or absent. A variety of wild and captive studies confirm that animal play is suppressed in times of hardship, such as those marked by food shortages, harsh climatic conditions, social upheaval, and stress. Thus, play is a good indicator of an animal's well-being.
For many of us, the most familiar animal play is that of domesticated dogs and cats. My two cats play-stalk, -chase, and -wrestle each other. They also enjoy sporting with laser pointers, Cat Dancers, and pull toys, especially when I drag the toys beneath a rug. As unique individuals, they show idiosyncrasies in their play preferences. Megan enjoys chasing a ball of aluminum foil (preferably after I've thrown it), batting it with her front paws. If I spread newspapers out on the floor, it usually isn't long before Megan is crawling under them, and by day's end they are often crumpled and torn. Mica favors hanging upside down from the edge of an armchair, holding himself in place with his hind feet braced against an armrest, while I drag and toss a string toy within his reach.
Play isn't just for animals who eat from a bowl. Most mammals and many birds (to date, from thirteen of the twenty-seven bird orders) are known to play, and there are anecdotal accounts of playlike behavior in some reptiles and fishes. Play has been recorded in every species of primate studied. On a recent visit to South Africa, I joined a "baboon walk" with the managers of Baboon Matters, a nonprofit group set up to protect the wild baboons and resolve conflicts with human residents in the Cape Town area. The rambunctious play of a group of youngsters on a grassy hillside at the end of a residential street was a joyous sight. They would scamper up the ten-meter-high slope, then leap, roll, tussle, or somersault their way down again. Flying ambushes, play bites, and limb-tuggings were part of a stream of play that went on for at least ten minutes. I could hear the thuds of their little bodies hitting the ground as they hurtled down the hill, twisting and rolling in a grappling heap of as many as four individuals. You can watch one of the sequences I filmed in a video titled "romping baboons" on YouTube; the resolution is poor, but you'll get the idea.
In the early 1980s a team of scientists in Israel spent 950 hours observing eleven groups of Arabian babblers. Babblers are songbirds similar in shape and size to the American robin or the European blackbird. They live in tightly knit family groups of half a dozen or so individuals. The researchers documented 2,500 instances of play among their subjects, including four hours recorded on videotape for analysis. The most common forms of play observed were wrestling, displacement (king of the hill), chases, and tug-of-war. I've seen a segment of the tape, and let me tell you: small birds wrestling on the ground like kittens make for an arresting sight. The babblers also use several types of play signals, including first establishing eye contact and then crouching, rolling over, grabbing a stick and holding it aloft, and making a play bow. I was unable to obtain a good-quality photograph of Arabian babblers playing for this book, but you can see jungle babblers allofeeding on pages 54 and 55 and allopreening on page 80.
Because life in the wild is so often ungenerously viewed as an endless struggle for survival, we may not think that undomesticated creatures play. A correspondent to New Scientist magazine described seeing two magpies repeatedly take turns pecking the tip of a fox's tail before hopping off. The fox merely flicked her tail each time, perhaps out of irritation. There are many other accounts of magpies, ravens, and crows doing this sort of thing (see page 31). It's usually put in an earnest, adaptive context, and indeed another reader suggested that the magpies in her garden harassed her two cats to prevent them from approaching the tree where the birds nest. But I find this explanation unsatisfying. For one thing, it isn't clear that attracting the cats' attention like this would deter them from going after the nest. For another, the second reader also reported seeing the behavior in the autumn and winter, when the nest would be empty. Such behavior could be just plain fun or exciting for the harassers—a mischievous game made more thrilling by the element of risk involved. Let me say once again that these evolutionary and experiential sorts of explanations are not mutually exclusive. One, in fact, is the genesis of the other.
Here's another fox observation that's much harder to interpret as anything but play. Sheila McGregor, a marketing consultant and dog rescuer, was bicycling on a rural road in Williston, Vermont, and noticed a Holstein cow in a pasture acting bizarre. Here's what Sheila describes seeing:
The cow was leaping in the air and cavorting around like a puppy playing. I pulled my bike over to watch. When I looked closer, I saw that she was playing with a fox! The fox was dancing around in front of her, play-bowing and then bounding away. The cow would give a playful chase and then stop, waiting for the fox to initiate again. I watched for several minutes before both animals went back to "normal" behavior.
Foxes also engage in solitary play. I recently watched one trotting across a field rimed with frost. She flopped onto her side and propelled herself along the slippery grass a few feet before getting up again. Not surprisingly, I've included an image of playing foxes (kits, in this case) in this book (see page 37).
Rich Hoyle operates the Pig Preserve, a Tennessee sanctuary for pigs rescued from various abusive and neglectful situations. He described to me some of the games these animals enjoy:
They play tug-of-war and keep-away with large branches and small saplings, often teaming up to defeat another. They will sneak up on a buddy who is snoozing in a mud hole and splash water on him and then run like hell.... On a warm spring day the younger ones will run across the pasture, jump and spin around in midair just for the pure joy of it.
Some games—such as play-fighting among predators—could cause injury. This may be one reason why animals use specific signals to invite others to play. The dog's familiar play bow, for instance, is a canid's way of communicating something to the effect of: "Okay, while I might be about to clamp my jaws down on your foreleg, it'll just be playful, and I'll restrain myself from biting too hard." The play bow is recognized by animals other than dogs. There are several accounts of domesticated huskies playing with wild polar bears. One celebrated case lasted several days and was featured in National Geographic magazine.
Different species use a variety of play signals, including a head wobble, a stiff-legged jump, a roll on the ground, a tail whip, a hunched back, and a kicking leap in the air. Not all play invitations are visual; the ultrasonic chirps of mirthful rats are believed to signal readiness for positive social engagement. They are an acoustic version of a dog's play bow.
Animals play fair. Detailed analyses of wrestling rats and boxing wallabies show that larger, stronger individuals actually temper the boisterousness of their actions. This strategy not only averts injury (useful for the husky who plays with the bear!) but sustains the game. Animals who play too roughly may have trouble finding a playmate and risk being shunned by others. Chimpanzees who roughhouse in pairs have been shown to increase their play signaling in proximity to adults, particularly as the intensity of play bouts increases. This is thought to minimize the possibility that the mother of the younger chimp will intervene and spoil the fun. All told, the evolution of play involves sophisticated communication, self-control, and fairness.
Some animals show their desire to be treated fairly by demonstrating what scientists have termed inequity aversion. A pair of captive brown capuchin monkeys are content to exchange a token for a slice of cucumber, but if one of them begins to get rewarded with preferred grapes, the other refuses to accept cucumbers. Another recent study from the University of Vienna demonstrates a sense of fairness in dogs. Dogs who are not given a treat when they respond to a simple command (shaking a paw with the experimenter) will eventually refuse to respond to the command if a dog next to them is rewarded for the same behavior. If, however, the denied dog is unaccompanied, she or he will perform the task for much longer, indicating that the earlier refusal was not merely due to frustration or fatigue.
From fairness it's not a huge leap to justice. Play has rules of conduct, encourages restraint, involves give-and-take, and fosters awareness of another's point of view. For all these reasons, some scientists now think that the roots of morality lie in animal play. Although sharing, for example, was until quite recently thought to be a solely human trait, more and more examples of animals showing fairness and consideration for others are coming to light. Dolphins, elephants, rats, and bats will come to the aid of another who is distressed, wounded, or disabled. When caged capuchin monkeys have to cooperate in dragging a heavy tray so they can get the food on it, they quickly figure out how to do so, then share the effort and the food. If food is placed on one side of the tray so that only one monkey has access to it, they still share, even though that monkey could have it all to him- or herself. Naked mole rats readily share their food with colonymates, and jackdaws are more likely to share favorite foods than less-preferred foods with other jackdaws.
For all of its carefree nature, play turns out to have significant implications for being nice and for doing what's right. This shouldn't be too surprising. Living in social groups requires getting along, and play is one of nature's most effective social lubricants.CHAPTER 2
Feeding oneself is one of life's basic assignments. Living requires energy, so bellies need filling. It takes a lot of nectar to fuel a hummingbird, a mother tern needs many fish meals to grow her eggs, and a busy mouse may make two hundred or more foraging trips in a single night. But securing nourishment is not all work and no play. In fact, the fundamental importance of food is a strong driver of food-associated pleasure systems. We know from personal experience that the pleasure of food includes anticipation, consumption, and (provided we haven't overstuffed ourselves) the feeling of satiation. Animals' brains release pleasure-associated opioid compounds while they search for food and while they eat it. Humans may be unique in developing recipe books, casseroles, and indigestion tablets, but we aren't alone in enjoying our food.
Animals have reactions to pleasant tastes that share evolutionary origins with and are similar in physical expression to humans'. Studies have found marked similarities in facial expressions and gestures of human and animal infants in response to different tastes. Sweet tastes elicit repeated, rhythmic tongue protrusions in all species of monkeys and apes that have been studied. Rats respond to sweet stimuli with licking movements, paws drawn to the mouth, and head nodding, and to bitter tastes with a triangle-shaped mouth, lowered chin, and treadling forelimbs.
In a world of food choices—some of which may be unwise—a discerning palate is useful. Spider monkeys show clear preferences for higher-energy foods. They also have high taste sensitivity, as determined from preferences shown for very low concentrations of a polysaccharide dissolved in water. Four species of monkey differed markedly in their acceptance of different concentrations of sour-tasting water. Olive baboons preferred most of the sweet-sour taste mixtures offered them, and spider monkeys and pigtailed macaques showed intermediate preferences, while squirrel monkeys showed the lowest tolerance for sour tastes, rejecting most of the mixtures. All four species perceived both the sweetness and the sourness of the mixtures, and each had different degrees of hedonic (pleasurable) response to the two taste properties, probably reflecting differences in their natural diets. These species also make fine discriminations about the presence of MSG and table salt dissolved in water. Squirrel monkeys given two-bottle preference tests consistently prefer food-associated sugars (sucrose, glucose, fructose, and lactose) over tap water, and their detection threshold for sucrose is identical to that which has been established in humans.
It would be a stretch to think that these sorts of preferences are based solely on energetics and without any regard for the experience of the pleasure of, say, sweet flavors. In the words of the evolutionary biologist Marlene Zuk, "it seems reasonable to assume that the proximate reward of food shapes the ultimate goal of survival." Our own experiences illustrate this: for evolutionary reasons, we eat to sustain ourselves, but consciously we eat because food is enjoyable. A fruit bat who eats a mango is promoting her survival, but it is the sweet smell and taste of the fruit that she experiences (see page 53).
Studies have shown that animals behave flexibly and hedonically in the presence of food choices. Rats will enter a deadly cold room and navigate a maze to retrieve highly palatable food (e.g., shortbread, pâté, or Coca-Cola). If they happen to find their regular (and less palatable) commercial rat chow at the end, they quickly return to their cozy nests, where they stay for the remainder of the experiment. If, however, they find a tasty treat, they feed on it before returning home, then return repeatedly for more. Reptiles also appear capable of making food choices based on the anticipation and experience of pleasure. Given a choice between their routinely available (and probably not very exciting) reptile chow right beneath their sun-lit perch and a gourmet tidbit—fresh lettuce—at the other end of the room, iguanas shunned the chow and ventured out to get the lettuce, even when it required them to enter a dangerously cold environment. Furthermore, the lizards' willingness to retrieve the tidbit varied with the cost/benefit of making the trip; as the temperature near the lettuce was set lower, the iguanas were more likely to stay put and eat the reptile chow.
Because they are so visible to us, birds offer many opportunities to observe feeding behavior in wild animals. My home in suburban Maryland backs onto a mature woodland, and my neighbor has deployed a generous array of feeders, so I can often watch birds eat. On one occasion, a blue jay begged noisily from a branch as another hammered at a nut between his claws, bolting back hunks with a forward jerk of his head. He gave the last piece to the obsequious loiterer, who gargled out a cry on receiving it. Perhaps this was a parent-offspring tandem, or perhaps they were buddies. Another time, I watched a recently fledged hairy woodpecker calling expectantly as she watched an adult male—presumably her father—drilling at my deck near where carpenter bees had made one of their nests in the strut beneath the handrail. The clever male reached into the hole he'd made, plucked a fat grub from its chamber, and passed it off to the fledgling before finding one for himself. Woodpeckers are skilled at detecting and removing invertebrates from their woody niches, which offers them a year-round supply of edibles—especially important during the cold winter months, when most insects are sequestered away (see page 59).
Different species often have idiosyncratic approaches to food. I always thought starlings were just grasping at things when they poked their pointy beaks into the grass, until I noticed that they actually move the blades away from one another by opening their beaks, so they can look below. At the botanical gardens in Sydney, Australia, I watched a small flock of sulphur-crested cockatoos foraging along a lawn. They pushed their beaks into the grass and selectively removed individual grass seedlings. I could hear the faint snapping sounds as roots were torn up. As best as I could tell through my binoculars at close range, the birds were nibbling only at the very base of each sprig before dropping it and selecting another. I retrieved two fresh discards; one happened to be intact, while the other had lost about a centimeter of stem from the base. I tasted the intact one; it was succulent but flavorless to me. Yet it would be naïve to conclude that a food item whose taste we find unrewarding is similarly unpalatable to another species. Animals' sensory systems are adapted to their niches, and that includes the types of food they eat.
Excerpted from The Exultant Ark by Jonathan Balcombe. Copyright © 2011 Jonathan Balcombe. Excerpted by permission of UNIVERSITY OF CALIFORNIA PRESS.
All rights reserved. No part of this excerpt may be reproduced or reprinted without permission in writing from the publisher.
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What People are saying about this
"An irresistible new photo book."New York Post
"Intersperses glorious images of animals preening, grooming and gallivanting with snippets of studies suggesting such behaviours belie an overly utilitarian interpretation."New Scientist
"Here is a book to put a spring into anyone's step. The Exultant Ark is a celebration of animal behaviour at its most uplifting."Bbc Wildlife Magazine
"All readers of this column must immediately purchase Jonathan Balcombe's fabulous book."The Australian
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