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Good Reads  Ornithology  Non-Passerines  Birds of Prey

What an Owl Knows The New Science of the World’s Most Enigmatic Birds

Popular Science Coming Soon
By: Jennifer Ackerman(Author)
342 pages, 8 plates with colour photos; b/w photos, b/w illustrations
NHBS
What an Owl Knows is a readable, captivating, and touching science narrative of owls and those who study them. Read our Q&A with Jennifer Ackerman.
What an Owl Knows
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  • What an Owl Knows ISBN: 9780861548316 Paperback Jul 2024 Available for pre-order
    £10.99
    #263711
  • What an Owl Knows ISBN: 9780861546909 Hardback Jul 2023 In stock
    £14.99 £16.99
    #260351
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About this book Customer reviews Biography Related titles

About this book

From prehistoric cave paintings to the prints and etchings of Picasso, owls have captivated and inspired us for millennia. Whether they appear as ancient Athenian symbols of wisdom, ghostly harbingers of death, or the cuddly sidekicks of Harry Potter and Winnie the Pooh, these birds have continued to fascinate and disturb us in equal measure.

Through revelatory new behavioural research, Jennifer Ackerman provides an intimate glimpse into these magnificent creatures' lives. From the evolutionary quirks behind their silent flight and rotating heads, to their romantic relationships and parenting styles, What an Owl Knows brings the rich natural history of owls to life. Deftly weaving together science and art, Ackerman journeys into the owl's moonlit world and asks: what is it about these birds that so enthrals us?

Customer Reviews (2)

  • A hoot of a book
    By Leon (NHBS Catalogue Editor) 27 Jun 2023 Written for Hardback


    Owls are one of the most enigmatic groups of raptors, in part because there is so much we still do not understand about them compared to other birds. Nature writer Jennifer Ackerman previously wrote the critically acclaimed The Genius of Birds. In What an Owl Knows, she reveals the creature that hides under that puffy exterior, peeling back the feathers layer by layer to show our current scientific understanding of owls. She has interviewed scores of scientists and owl aficionados as part of her background research, making this as much a book about owls as about the people who study and love them. A captivating and in places touching science narrative, this book is a hoot from beginning to end.

    Owls are everywhere in the human imagination and, Ackerman argues, have always been: "We evolved in their presence; lived for tens of thousands of years elbow to wing in the same woods, open lands, caves, and rock shelters; came into our own self-awareness surrounded by them; and wove them into our stories and art" (p. 235). For all that, their nocturnal lifestyle makes them hard to study and they have long been—and in many places still are—wrapped in superstition. Ackerman dedicates a chapter to such beliefs and the harms that frequently flow from them. Fortunately, the tide is turning. Thanks to the tireless efforts of a dedicated cadre of scientists, conservationists, and numerous volunteers, a far more fascinating creature emerges from the contradictory tangle of ideas that humans have held about owls.

    A red thread that has been subtly woven through this book is the importance of understanding animals on their terms. Ed Yong's An Immense World is one recent example of this welcome trend amongst science writers and Ackerman appropriately starts with a chapter on owl sensory biology. What is it like to be an owl? Though this question can never be fully answered, that should not stop us from trying our hardest. Vision and hearing are obviously important to owls but the book has plenty of surprises up its sleeve once you start digging into the details: from the magnificent facial disk that acts somewhat like a parabolic reflector to gather sound, a hearing system that does not seem to age, to the fact that owls can see ultraviolet light. At night. With rod rather than cone cells (like pretty much every other bird).

    The same question motivates research on owl vocalizations as "a hoot is not just a hoot" (p. 81). Owls utter a profusion of yaps, squawks, and warbles and Ackerman paints a lively portrait in words. Barn owls have "a raspy hiss that sounds like a fan belt going out on your car" (p. 82), while the tiny Flammulated Owl breaks the link between body size and vocal pitch, sounding like "a big bird trapped in a small body" (p. 82, quoting ornithologist Brian Linkhart). These sounds can reveal an awful lot about the individual owl and its relationship with other owls in the landscape. Ackerman criticizes some of the research on owl intelligence. They cannot pass the string-pulling test, a common test in ethological research in which an animal has to pull on a rope to reel in food that is out of reach. The idea is that it tests an animal's understanding of cause and effect. But is this a fair test or does it "point to the limitations of our definitions and measures of intelligence" (p. 261)?

    The most intimate insights have come from rescued owls that can no longer be returned to the wild. Many researchers have ended up caring for an individual and becoming intimately familiar with them. Gail Buhl, a leading authority on training rehabilitated captive owls, here explains five important things that she has learned. One particularly poignant observation is that owls might appear calm and stoic around humans, but having paid close attention to their body language, Buhl concludes that "they're experiencing the same stress as other raptors, but they're internalizing it" (p. 228). This has major consequences for how even well-intended trainers and rehabbers ought to behave around owls. "We need to treat them not as mini-humans in feathers, but as their own entity" (p. 231), Ackerman writes, before throwing in a beautiful quote from naturalist Henry Beston. In his words, wild animals "are not brethren, they are not underlings; they are other nations, caught with ourselves in the net of life and time" (pp. 231–232).

    Following on directly from her last book on bird behaviour, there are fascinating chapters here on the behaviour of owls: their courtship and breeding, their parental behaviour, their roosting, and their migration. Yes, many owls are migratory and some species can cover surprising distances. Ackerman makes a fantastic case for the value of long-term monitoring programmes to establish reliable population estimates. This is vital data for conservation efforts and is often missing. And sometimes what we think we know is wrong, as in the case of the Snowy Owl. Where initial estimates put the global population at some 200,000 birds, satellite tracking has revealed that they are actually a single population moving around the whole Arctic Circle, resulting in duplicate counts. Revised estimates now put the figure at a mere 30,000 birds.

    Ackerman relies on the input of numerous scientists and volunteers. As such, this is as much a book about the people who study owls. I was delighted to hear more from Jonathan Slaght (his book Owls of the Eastern Ice is magnificent). Other stories tug on the heartstrings and none more so than that of Marjon Savelsberg. A Dutch musician trained in baroque music, her dreams came crashing down when she was diagnosed with a heart condition that consigned her to a mobility scooter. When she stumbled on the website of the Dutch Little Owl Working Group, she quickly became one of their most active volunteers, revealing a skilled ear for analyzing owl calls. Suddenly, she had a new career and a new group of appreciative ecologist colleagues: "[I] realized I was still a musician. All the skills that I learned, all the talent I have, I can still use, just in a different way" (p. 105). It is a powerful story of redemption-by-owl.

    Ackerman carefully balances these two facets: the scientific insights that she has carefully distilled from research papers and interviews, and the personal stories of those who study and love owls. As a result, What an Owl Knows is compulsively readable and readily accessible for those who lack a scientific background in ornithology.
    17 of 22 found this helpful - Was this helpful to you? Yes No
  • Lots of owl facts
    By Keith 9 May 2024 Written for Paperback
    It is hard to think of a group of birds that is more popular than the owls. With around 260 species ranging from the tiny Elf Owl to the large eagle-owls, there are many small variations in how they live, although the majority are only active at night. With binocular vision and their highly sensitive eyesight and hearing they have fascinated children and adults alike for centuries. Indeed, Harry Potter’s pet owl, “Hedwig”, has probably doubled that level of fascination over the last two decades. This book takes a lot of what is known about owls and lays it out in a readable style.

    Jennifer Ackerman is a very successful nature writer based in the USA, and her previous books The Genius of Birds and The Bird Way were best sellers. As a writer for major publications such as National Geographic, she has developed a distinctive style. She lays out the facts and often explores them further by interviewing researchers who have undertaken the work. For many this approach will make a good read, but if you like your facts delivered really succinctly then be prepared to search a little for the information that you are seeking.

    Most aspects of owl life are explored, from their superior eyesight and hearing, their silent flight, their ability to mentally map where they live, or the fact that some species migrate in winter and a few of these roost together. There are impressive facts that tracking has unfolded, such as the way that a pair of Snowy Owls might nest in Russia one year but in the North-Western Territories of Canada the next. It is clear that although we know a lot more about owls than at the Millennium, the amount that we still haven’t discovered must be huge.

    Importantly, owls hold a huge connection with people and in many cultures, they are held in high regard. Ackerman reports on projects around the world where individuals and communities are working to protect owls and to improve their chances of succeeding. In some cases these are succeeding, such as the huge efforts in many places to help Barn Owls because they are great at predator control on farms. However, there are significant worries for the Snowy Owl. Climate change is likely to reduce the availability of suitable habitat for this enigmatic species over time, and already its world population is considerably lower than previous estimates suggested. At the end of the line is the Norfolk Island Boobook, which has effectively become extinct since the last remaining individual (a female) was artificially mated with a male New Zealand Boobook. Her genes live on in her hybrid descendants that still live on the island. She was not seen after 1996.

    This book reminds us on every page that compared to most of the world’s bird families, owls are particularly special in many ways. Ackerman has found so many facts about them and has combined these into a very readable text. I have found that even the most travelled birders with huge world lists still rate a view of a new owl a bit higher than a lot of other species, and think we all feel the same about that.
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Biography

Jennifer Ackerman is the bestselling author of The Genius of Birds and The Bird Way. She was a writer at National Geographic for seven years and has written extensively for many publications, including the New York Times, Wall Street Journal, Scientific American and Smithsonian Magazine.

 

Popular Science Coming Soon
By: Jennifer Ackerman(Author)
342 pages, 8 plates with colour photos; b/w photos, b/w illustrations
NHBS
What an Owl Knows is a readable, captivating, and touching science narrative of owls and those who study them. Read our Q&A with Jennifer Ackerman.
Media reviews

"Once again, Jennifer Ackerman has written a fascinating, fact-filled and wonderfully readable work of popular science – this time on one of the most mysterious and charismatic of all bird families: the owls."
– Stephen Moss, author and naturalist

"Immensely enjoyable [...] What an Owl Knows eloquently bridges the gap between science and popular assumption to brings us the surprising (and often endearing) facts about these legendarily mysterious birds. Forget what you know, or think you know, because the truth is stranger than fiction!"
– James Aldred, author of Goshawk Summer

"Absorbing and exquisitely researched. Ackerman guides the reader around the world, carefully unpacking what it means to be an owl and examining the human relationship with these oft-misunderstood birds."
– Jonathan Slaght, author of Owls of the Eastern Ice

"I loved it [...] richly detailed, wide in scope, written with precision and clarity [...] I won't be able to see an owl in the same way again."
– Stephen Rutt, author of The Seafarers: A Journey Among Birds

"[A] masterful survey [...] There's fascinating trivia on every page, making for a revelatory glimpse into the lives of the "enigmatic" raptors. Bird lovers will be enthralled."
Publishers Weekly

"Always eloquent and engaging [...] Ackerman's latest vivid and compelling narrative is enlivened by her own passion for owls and her excitement over discoveries in the wild that show that, for humans, owls continue to be full of surprises."
Booklist

"A fascinating study of a captivating bird. I learnt something new on every page. Ackerman's book is a wonderful synthesis of ethology, wonder and passion for her subject."
– James Macdonald Lockhart, author of Wild Air

"Fascinating food for thought for owl seekers and sure to please any lover of immersive treks into the lives of birds."
Kirkus, starred review

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