Arctic dreams, p.17

Arctic Dreams, page 17

 

Arctic Dreams
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One winter afternoon in Vancouver, British Columbia, I spoke with the only person ever to have succeeded in putting an adult narwhal, briefly, on display. (The six animals, brought back from northern Canada in 1970, all died of pneumonia within a few months.) Murray Newman, director of the British Columbia Aquarium, explained the great difficulties inherent in capturing such animals and later of maintaining them in captivity, especially the male, with its huge tusk. He doubted any aquarium would ever manage it successfully. The description from Solinus’ Polyhistoria seemed at that moment, as we gazed across the aquarium’s trimmed lawns toward Vancouver’s harbor, oddly apt and prophetic.

  A narwhal’s tusk, hefted in the hands, feels stout but resilient. It is a round, evenly tapered shaft of ivory, hollow for most of its length. (The cavity is filled with dental pulp in the living animal.) A large tusk might weigh 20 pounds, be eight or nine feet long, and taper from a diameter of four inches at the socket down to a half-inch at the tip. The smooth, polished tip, two to three inches long, is roundly blunt or sometimes wedge-shaped. The rest of the tusk is striated in a regular pattern that spirals from right to left and may make five or six turns around the shaft before fading out. Often a single groove parallel to the spiraling striations is apparent. The tusk also shows a slight, very shallow ripple from end to end in many specimens.

  The striated portion is rough to the touch, and its shallow grooves are frequently encrusted with algae. These microorganisms give the tusk a brindled greenish or maroon cast, contrasting with the white tip and with the 10 to 12 inches of yellower ivory normally embedded in the upper left side of the animal’s skull.

  Well into the nineteenth century there was a question about which of the sexes carried the tusk (or whether it might be both). Although many thought it was only the males, a clear understanding was confounded by authenticated reports of females with tusks (a female skull with two large tusks, in fact, was given to a Hamburg museum in 1684 by a German sea captain), and an announcement in 1700 by a German scientist, Solomon Reisel, that some narwhals carried “milk tusks.” It did not help matters, either, that there was much conjecture but no agreement on the function of the tusk. (A more prosaic error further confused things—printers sometimes inadvertently reversed drawings, making it seem that the tusk came out of the right side of the head instead of the left, and that it spiraled from left to right.)

  Several certainties eventually emerged. The tusk spirals from right to left. In normal development, two incipient tusks form as “teeth” in the upper jaw of both sexes, one on each side. In the female, both teeth usually harden into solid ivory rods with a protuberance at one end, like a meerschaum pipe (these were Reisel’s “milk tusks”). In males, the tusk on the right remains undeveloped, “a miniature piece of pig iron,” while the one on the left almost always develops into a living organ, a continually growing, fully vascularized tooth. On very rare occasions, both tusks develop like this, in both sexes. And both tusks spiral from right to left (i.e., they are not symmetrical like the tusks of an elephant or a walrus). Viewed from above, twin tusks diverge slightly from each other. In some males the left tusk never develops (nor does the right in these instances). In perhaps 3 percent of females a single tusk develops on the left.

  Solving this problem in sexual systematics and physiology proved simpler than determining the tusk’s purpose. It was proposed as a rake, to stir up fish on the seabed floor; as a spear to impale prey; and as a defensive weapon. All three speculations ignored the needs of narwhals without tusks. In addition, Robin Best, a Canadian biologist with a long-standing interest in the question, has argued that the tusk is too brittle to stand repeated use as a rake or probe; that attacking the sorts of fish narwhals habitually eat with the tusk would be difficult and unnecessary and getting large fish off the tusk problematic; and that there are no records of narwhals attacking other animals or defending themselves with their tusks.

  The fact that narwhals frequently cross their tusks out of water and that the base of the tusk is located in the sound-producing region of the narwhal’s skull led to speculation that it might serve some role in sound reception or propagation (again ignoring the female component of the population). Oral surgeons determined that the tooth’s pulp does not contain the bioacoustical lipids necessary for echolocation, but this does not mean that the narwhal can’t in some way direct sound with it and, as some have suggested, “sound-joust” with other males. (On their own, the oral surgeons speculated that because the tooth was so highly vascularized, the narwhal could get rid of a significant amount of body heat this way, which would presumably allow males to hunt more energetically. The biologists said no.)

  William Scoresby, as bright and keen-eyed an observer as ever went to sea, speculated in 1820 that the tusk was only a secondary sexual characteristic, like a beard in humans, and was perhaps used to fracture light ice when narwhals of both sexes needed to breathe. Scientists say narwhals are too careful with their tusks to subject them to such impact, but on the first point Scoresby was correct.

  Male narwhals engage in comparative displays of their tusks, like the males of other species, but they also appear to make some kind of violent physical contact with each other occasionally. The heads of many sexually mature males are variously scarred, and scientists have even found the broken tips of tusks in wounded narwhals. (A scientist who made a detailed examination of the narwhal’s musculature said the muscles are not there in the neck to allow the animals to parry and thrust with rapierlike movements. Indeed, males appear always to move their tusks with deliberation, and dexterously, as at savssats.) The circumstances under which head scarring might occur—the establishment and continual testing of a male social hierarchy, especially during the breeding season—are known; but how these wounds are suffered or how frequently they are inflicted is still widely debated. One plausible thought is that males align their tusks head-on and that the animal with the shorter tusk is grazed or sometimes severely poked in the process.

  A significant number of narwhals, 20 to 30 percent, have broken tusks. Some broken tusks have a curious filling that effectively seals off the exposed pulp cavity. Oral surgeons say this rod-shaped plug is simply a normal deposition of “reparative dentine,” but others have long insisted it is actually the tip of another narwhal’s tusk, to which it bears an undeniable resemblance. (The broken tips of other narwhals’ tusks are filled with stones and sediment.)

  Exposed tooth pulp creates a site for infection, not to mention pain. That animals would try to fill the cavity (if “reparative dentine” didn’t) makes sense. That one narwhal entices another into this ministration is as intriguing a notion as the thought that males put the tips of their tusks on the opposite male’s sound-sensitive melon and generate a “message” in sound-jousting. It would be rash to insist categorically that narwhals don’t do something odd with the tusk on occasion, like prodding a flatfish off the sea bottom. (Herman Melville drolly suggested they used it as a letter opener.) But it seems clear that its principal, and perhaps only, use is social. Robin Best argues, further, that because of its brittleness, its length, and the high proportion of broken tusks, the organ may have reached an evolutionary end point.

  A remaining question is, Why is the tusk twisted? D’Arcy Wentworth Thompson, a renowned English biologist who died in 1948, offered a brilliant and cogent answer. He argued that the thrust of a narwhal’s tail applied a very slight torque to its body. The tusk, suspended tightly but not rigidly in its socket in the upper jaw, resisted this force with a very slight degree of success. In effect, throughout its life, the narwhal revolved slowly around its own tusk, and over the years irregularities of the socket gouged the characteristic striations in the surface of the tooth.

  Thompson pointed out that the tooth itself is not twisted—it is straight-grained ivory, engraved with a series of low-pitched threads. No one has disproved, proved, or improved upon Thompson’s argument since he set it forth in 1942.

  Because the ivory itself dried out and became brittle and hard to work, the greatest virtue of a narwhal tusk to the Eskimos who traditionally hunted the animal was its likeness to a wood timber. Some of the regions where narwhals were most intensively hunted were without either trees or supplies of driftwood. The tusk served in those places as a spear shaft, a tent pole, a sledge thwart, a cross brace—wherever something straight and long was required. Narwhals were most often hunted by Eskimos during their near-shore migration in spring, and in bays and fiords during the summer. To my knowledge, Eskimos attach no great spiritual importance to the narwhal. Like the caribou, it is a migratory food animal whose spirit (kirnniq) is easily propitiated. The narwhal does not have the intercessionary powers or innate authority of the polar bear, the wolf, the walrus, or the raven.

  Beyond its tusk, Greenlanders valued the narwhal’s skin above all other leathers for dog harnesses, because it remained supple in very cold weather and did not stretch when it became wet. The sinews of the back were prized as thread not only for their durability but also for their great length. The outside layer of the skin was an important source of vitamin C, as rich in this essential vitamin as raw seal liver. The blubber, which burned with a bright, clean yellow flame, gave light and warmth that were utilized to carve a fishhook or sew a mitten inside the iglu in winter. A single narwhal, too, might feed a dog team for a month.

  It is different now. The hunter’s utilitarian appreciation of this animal is an attitude some now find offensive; and his considerable skills, based on an accurate and detailed understanding of the animal and its environment, no longer arouse the sympathetic admiration of very many people.

  In the time I spent watching narwhals along the floe edge at Lancaster Sound in 1982 no whale was butchered for dog food. The dogs have been replaced by snow machines. No sinews were removed for sewing. Only the tusk was taken, to be traded in the village for cash. And muktuk, the skin with a thin layer of blubber attached, which was brought back to the hunting camp at Nuvua. (This delicacy is keenly anticipated each spring and eaten with pleasure. It tastes like hazelnuts.)

  The narwhal’s fate in Lancaster Sound is clearly linked with plans to develop oil and gas wells there, but current hunting pressure against them is proving to be as important a factor. In recent years Eskimo hunters on northern Baffin Island have exhibited some lack of discipline during the spring narwhal hunt. They have made hasty, long-range, or otherwise poorly considered shots and used calibers of gun and types of bullets that were inadequate to kill, all of which left animals wounded. And they have sometimes exceeded the quotas set by Department of Fisheries and Oceans Canada and monitored by the International Whaling Commission.5 On the other side, Eskimos have routinely been excluded from the upper levels of decision-making by the Canadian government in these matters and have been offered no help in devising a kind of hunting behavior more consistent with the power and reach of modern weapons. For the Eskimos, there is a relentless, sometimes condescending scrutiny of every attempt they make to adjust their culture, to “catch up” with the other culture brought up from the south. It is easy to understand why the men sometimes lose their accustomed composure.

  In the view of Kerry Finley, a marine mammal biologist closely associated with the Baffin Island narwhal hunts, “It is critical [to the survival of narwhals] that Inuit become involved in meaningful positions in the management of marine resources.” The other problems, he believes, cannot be solved until this obligation is met.

  I would walk along the floe edge, then, in those days, hoping to hear narwhals, for the wonder of their company; and hoping, too, that they would not come. The narwhal is a great fighter for its life, and it is painful to watch its struggle. When they were killed, I ate their flesh as a guest of the people I was among, out of respect for distant ancestors, and something older than myself.

  I watched closely the ivory gull, a small bird with a high, whistly voice. It has a remarkable ability to appear suddenly in the landscape, seemingly from nowhere. I have scanned tens of square miles of open blue sky, determined it was empty of birds, and then thrown a scrap of seal meat into a lead, where it would float. In a few minutes an ivory gull would be overhead. It is hard to say even from what direction it has come. It is just suddenly there.

  So I would watch them in ones and twos. Like any animal seen undisturbed in its own environment, the ivory gull seems wondrously adapted. To conserve heat, its black legs are shorter in proportion to its body than the legs of other gulls, its feet less webbed. Its claws are longer and sharper, to give it a better grip of frozen carrion and on the ice. It uses seaweed in its nest to trap the sun’s energy, to help with the incubation of its eggs. To avoid water in winter, which might freeze to its legs, it has become deft at picking things up without landing. In winter it follows the polar bear. When no carrion turns up in the polar bear’s wake, it eats the polar bear’s droppings. It winters on the pack ice. Of the genus Pagophila. Ice lover.

  And I would think as I walked of what I had read of a creature of legend in China, an animal similar in its habits to the unicorn but abstemious, like the ivory gull. It is called the ki-lin. The ki-lin has the compassion of the unicorn but also the air of a spiritual warrior, or monk. Odell Shepard has written that “[u]nlike the western unicorn, the ki-lin has never had commercial value; no drug is made of any part of his body; he exists for his own sake and not for the medication, enrichment, entertainment, or even edification of mankind.” He embodied all that was admirable and ideal.

  With our own Aristotelian and Cartesian sense of animals as objects, our religious sense of them as mere receptacles for human symbology, our single-mindedness in unraveling their workings, we are not the kind of culture to take the ki-lin very seriously. We are another culture, and these other times. The ki-lin, too, is no longer as highly regarded among modern Chinese as it was in the days of the Sung dynasty. But the idea of the ki-lin, the mere fact of its having taken shape, is, well, gratifying. It appeared after men had triumphed over both their fear and distrust of nature and their desire to control it completely for their own ends.

  The history of the intermingling of human cultures is a history of trade—in objects like the narwhal’s tusk, in ideas, and in great narratives. We appropriate when possible the best we can find in all of this. The ki-lin, I think, embodies a fine and pertinent idea—an unpossessible being who serves humans when they have need of its wisdom, a creature who abets dignity and respect in human dealings, who underlines the fundamental mystery with which all life meets analysis.

  I do not mean to suggest that the narwhal should be made into some sort of symbolic ki-lin. Or that buried in the more primitive appreciation of life that some Eskimos retain is an “answer” to our endless misgivings about the propriety of our invasions of landscapes where we have no history, of our impositions on other cultures. But that in the simple appreciation of a world not our own to define, that poised arctic landscape, we might find some solace by discovering the ki-lin hidden within ourselves, like a shaft of light.

  1 Lancaster Sound has been proposed as a world biological reserve by the International Biological Programme and singled out by the United Nations as a Natural Site of World Heritage Quality. The stability of this ecosystem is currently threatened by offshore oil development and increased shipping traffic. David Nettleship, an arctic ornithologist with preeminent experience here, has written that such economic development “should be strictly controlled in order to prevent the destruction of a uniquely rich high arctic oasis. To harm it would go far towards making a desert of arctic waters.”

  2 The narwhal is not nearly as forceful in the ice as the bowhead. It can break through only about 6 inches of ice with its head. A bowhead, using its brow or on occasion its more formidable chin, can break through as much as 18 inches of sea ice.

  3 The knowledge and insight of Eskimos on these points, unfortunately, are of little help. Of all the areas of natural history in which they show expertise, native hunters are weakest in their understanding of the population dynamics of migratory animals. The reason is straightforward. Too much of the animal’s life is lived “outside the community,” beyond the geographic and phenomenological landscape the Eskimos share with them.

  4 Eskimo hunters killed 340 narwhals and belukhas at this savssat in a week, before the ice fractured and the rest escaped. In the spring of 1915, Eskimos at Disko Bay took more than a thousand narwhals and belukhas at two savssats over a period of several months. Inattentive birds, especially thick-billed murres and dovekies which require a lot of open water to take off, may also suddenly find themselves with insufficient room and may be trapped.

  5 These charges are detailed in K.J. Finley, R.A. Davis, and H.B. Silverman, “Aspects of the Narwhal Hunt in the Eastern Canadian Arctic,” Report of the International Whaling Commission 30 (1980): 459–464; and K.J. Finley and G.W. Miller, “The 1979 Hunt for Narwhals (Monodon monoceros) and an Examination of Harpoon Gun Technology Near Pond Inlet, Northern Baffin Island,” Report of the International Whaling Commission 32 (1982): 449–460.

  Five

  Migration

  The Corridors of Breath

  IT WAS STILL DARK, and I thought it might be raining lightly. I pushed back the tent flap. A storm-driven sky moving swiftly across the face of a gibbous moon. Perhaps it would clear by dawn. The ticking sound was not rain, only the wind. A storm, bound for somewhere else.

  Half awake, I was again aware of the voices. A high-pitched cacophonous barking, like terriers, or the complaint of shoats. The single outcries became a rising cheer, as if in a far-off stadium, that rose and fell away.

  Snow geese, their night voices. I saw them flying down the north coast of Alaska once in September, at the end of a working day. The steady intent of their westward passage, that unwavering line, was uplifting. The following year I saw them over Banks Island, migrating north in small flocks of twenty and thirty. And that fall I went to northern California to spend a few days with them on their early wintering ground at Tule Lake in Klamath Basin.

 

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