Once They Were Hats: In Search of the Mighty Beaver

Beavers, those icons of industriousness, have been gnawing down trees, building dams, shaping the land, and creating critical habitat in North America for at least a million years. Once one of the continent’s most ubiquitous mammals, they ranged from the Atlantic to the Pacific, and from the Rio Grande to the edge of the northern tundra. Wherever there was wood and water, there were beavers — 60 million (or more) — and wherever there were beavers, there were intricate natural communities that depended on their activities. Then the European fur traders arrived.

In Once They Were Hats, Frances Backhouse examines humanity’s 15,000-year relationship with Castor canadensis, and the beaver’s even older relationship with North American landscapes and ecosystems. From the waterlogged environs of the Beaver Capital of Canada to the wilderness cabin that controversial conservationist Grey Owl shared with pet beavers; from a bustling workshop where craftsmen make beaver-felt cowboy hats using century-old tools to a tidal marsh where an almost-lost link between beavers and salmon was recently found, Backhouse goes on a journey of discovery to find out what happened after we nearly wiped this essential animal off the map, and how we can learn to live with beavers now that they’re returning.

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Introduction to Once They Were Hats:

The beaver has a major image problem. A chubby rodent with goofy buckteeth and a tail that looks like it was run over by a tractor tire — it’s no wonder beavers prefer to work under cover of darkness. They’re ungainly on land and ride so low in the water when they’re swimming that from a distance they can be easily mistaken for floating deadwood.

At best, some might say, the beaver is an icon of insipidness: although often lauded as a paragon of diligence and industriousness, the beaver could just as well be described as a monogamous, workaholic homebody.

At worst, beavers are embarrassing. Not only has their name been co-opted as smutty slang for female genitalia (a usage that first appeared in print in the 1920s), but they’re also wimps in comparison to charismatic national animals like the American eagle, the English lion and China’s giant panda.

Unofficially, the beaver has represented Canada since before the country achieved full nationhood. In 1851, 16 years before Confederation, the Province of Canada’s newly independent postal system issued its first postage stamp, the Three-Pence Beaver, which depicted the eponymous animal crouched on a bank beside a cascading stream. But when it came to devising a coat of arms for Canada in 1921, the beaver didn’t make the cut. In the blunt words of Undersecretary of State Thomas Mulvey, a member of the design committee, “It was decided that as a member of the Rat Family, a Beaver was not appropriate.” (Actually, beavers belong to their own, exclusive family, the Castoridae, and are only distant cousins of rats and other members of the Rodentia order, but such distinctions probably wouldn’t have swayed Mulvey.)

The only reason the beaver eventually gained official standing as Canada’s national animal may have been that Americans were threatening to usurp the emblem. Apparently no Canadians had noticed when Oregon, long known as the Beaver State because of its fur-trade history, adopted the beaver as a state mascot in 1969. When New York announced plans to do the same a few years later, Canada finally asserted its own claim. In 1975, Parliament passed Bill C-373, “An Act to provide for the recognition of the Beaver (Castor canadensis) as a symbol of the sovereignty of Canada.”

However, a fancy title doesn’t guarantee respect. In 2011, Senator Nicole Eaton stood up in the Red Chamber and called for the beaver to be stripped of its honours and replaced by the polar bear. Canada’s symbol of sovereignty was, she said, nothing more than a “dentally defective rat” and a “toothy tyrant” that “wreaks havoc on farmlands, roads, lakes, streams and tree plantations.” Her denunciation hinted at a revenge motive, for she also mentioned her ongoing battle to keep beavers from damaging the dock at her summer cottage.

I have never outright scorned beavers, but I did, for a long time, take them for granted and underestimate their worth. “What are you writing about?” friends would ask when they found out I was working on a new book. “Beavers,” I’d mutter, in the early days, and change the subject for fear of hearing the word “boring” in response. Yet I quickly came to realize that beavers aren’t boring. I just didn’t know how fascinating they would turn out to be.

The truth is, the humble and much-maligned beaver is actually the Mighty Beaver, arguably North America’s most influential animal, aside from ourselves. For no less than a million years, and possibly as long as 24 million, beavers in one form or another have been sculpting the continental landscape by controlling the flow of water and the accumulation of sediments — filling whole valleys and rerouting rivers, in places. For an equal length of time, they’ve also been nudging other species down distinctive evolutionary paths, from trees that have developed defenses against the woodcutters to a multitude of plants and animals that rely on beaver-built environments. Beavers even have an exclusive parasite, the louse-like beaver beetle (Platypsyllus castoris), which spends its whole life roaming through its host’s fur or hiding out in the ceiling of the beaver’s lodge.

Two things are behind this far-reaching influence: a unique lifestyle, and sheer ubiquity. No other animal in the world lives quite like the woodcutting, dam-building beaver. Although eccentric, this way of life is what makes Castor canadensis a classic keystone species — that is, the indispensable creator of conditions that support entire ecological communities; an unwitting faunal philanthropist.

Before the fur trade devastated their population, these ecosystem engineers were extraordinarily abundant and prevalent. Picture at least 60 million beavers (or 400 million if the high-end estimate is correct) spread out across almost every part of the continent. At least 25 million dams. And countless biodiversity hotspots — beaver ponds, beaver wetlands, beaver meadows — all teeming with life. Today’s numbers pale in comparison, but beavers are back on the job in many places.

This book is a journey of sorts, one that meanders through the millennia of castorid existence in the company of paleontologists, archaeologists, First Nations elders, historians, hatters, fur traders, trappers, biologists and, of course, beavers. It begins in the watery realm where Castor canadensis once ruled, then plunges back in time to meet the beaver’s ancient kin, from lumbering giants to pint-sized burrowers. It explores the perspectives of the beaver’s first human acquaintances, peoples who knew this venerated animal by hundreds of different names, and follows the fur-hungry Europeans who arrived at the close of the fifteenth century and fanned out across the continent in ruthless pursuit of the pelts that were to them like brown gold. After tracing the species’ nosedive to near-extinction and its subsequent revival (one of North America’s most notable conservation success stories), we enter the twenty-first century, where the beaver, so long appreciated mainly for its fur and its legendary busyness, is making a comeback as an ecological hero. Its journey is not over, after all, and there are new vistas ahead on our travels together.

For as long as humans have inhabited this continent, beavers have played a significant role in our lives. They have fed and clothed us, inspired spiritual beliefs and cultural traditions, driven the course of history, lent their name to countless landmarks and kept our water reservoirs charged. Until recently, we’ve tended to overlook this last contribution, but as we struggle to adapt to the vagaries of climate change, water stewardship may prove to be the beaver’s greatest gift to us.

AUDIOBOOK:

Once They Were Hats is also available from Audible as an audiobook. Listen to an excerpt:

AWARDS:

Shortlisted for the 2016 Lane Anderson Award for best Canadian science book and the 2016 City of Victoria Butler Book Prize. In their citation, the Butler Book Prize jurors said: “Backhouse not only restores the dignity and grandeur of Canada’s national symbol, but along the way—through exhaustive research, fine writing, an eye for the telling anecdote—she tells a story as informative as it is entertaining.”

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REVIEWS:

High Country News: “Backhouse is a perceptive observer and listener, ever alert to the subtle ways the beaver’s story entwines with individual people. She has the knack of a documentary filmmaker.” – from “The historical lifetime of the beaver”

The National Post: “Once They Were Hats is deeply, enthrallingly, page-turningly fascinating.” – from “Hot dam! Beavers — extremely weird, and essential to who we are”

The Globe and Mail: “a thorough account of the tirelessly industrious beaver’s past, present and possible future … The pages brim with information and interesting tidbits.” – from “Frances Backhouse’s Once They Were Hats is fascinating and smartly written”

Canada’s History: “a compelling account of our national symbol … Backhouse is a lively reporter … And she effortlessly incorporates into her captivating narrative the kind of information that snags everybody’s attention.” – from “Once They Were Hats” [review by Charlotte Gray]

Literary Review of Canada: “Backhouse is a skilled and personable narrator who guides us on a tour of the long, fond and sometimes lethal relationship we have entertained with this pudgy little rodent.” – from “The Pelt Belt”

Ottawa Magazine:Frances Backhouse’s much-praised book will tell you more than you ever imagined about beavers, from their prehistoric past as two-metre-long rodents to their popularity as hat material, their elevation as national symbol, and their huge influence in reshaping the Canadian landscape. Every true-blue cottager should study, if not memorize, Backhouse’s writings.” – from “Four must-have books to take to the lake”

Chicago Tribune: “Backhouse gives the little buck-toothed rodent the credit it deserves in an intelligent and interesting look at Castor canadensis.” – from “Exploring the animal kingdom”

January Magazine: “Backhouse builds a case for the beaver as noble standard bearer fora new world order blending history, science and common sense into an engaging and memorable work.” – from Oct. 14, 2015 review