Rediscovering the world’s largest cormorant

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You will be able to access your list from any article in Discover.</p> <p>You don't have any saved articles.</p> </div> </div> </div>  <div class="saved-articles__footer-wrapper"> <button id="saved-articles__save-button" type="button" class="saved-articles__add-to-list">+ add current article to list</button> </div> </div> </div> </div>   <div class="section"> <div class="layout-row" data-columns="21">  <div class="article layout-column"> <div class="article--tags-header" data-gtm-component="hub-header"> SCIENCE NEWS </div> <h1 class="article--title-header">Rediscovering the world’s largest cormorant</h1> <div class="article--secondary-info flow"> <div class="article--meta-container"> <div class="article--meta-author">By James Ashworth</div> <div class="article--meta-publication-date">First published 19 March 2024</div> </div> <div class="cluster"> <div class="social-icons-list"> <div class="social-share--container"> <div class="social-share--icons cluster"> <div class="facebook 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17.0229 14.0253 17.9364 15.8835 16.8835C15.8911 16.8758 16.3868 16.6124 17.4009 15.5751C18.4152 14.5376 18.5778 14.375 18.5778 14.375L22.9135 18.6875L22.9367 18.7184C22.9367 18.7184 22.805 20.0732 21.4346 20.0888C20.0643 20.1043 6.66243 20.0964 6.66243 20.0964C6.66243 20.0964 5.20681 20.1738 5.021 18.7028L9.33304 14.3785Z" fill="white"/> </svg> </a> </div> </div> </div> </div> <div data-gtm-component="like-button-top" class="article-likes-container"> <div class="like-container" data-page-path="/discover/news/2024/march/rediscovering-worlds-largest-cormorant"> <a href="#" aria-label="Clap button for article likes" class="like-button-link" tabindex="0"> <span class="clap-svg"></span> <span aria-label="0 article likes" class="like-count js-like-count">0</span> </a> </div> </div> </div> </div> <div class="article--introduction"><p>The world’s largest cormorant went extinct almost 200 years ago – but almost nothing is known about its life.</p> <p>A recent dive into the collections of museums around the world is helping to piece together the history of the spectacled cormorant.</p> </div> <div class="article--content"> <div class="text parbase section"> <div data-gtm-component="text"> <p>The life of a forgotten <a href="https://www.nhm.ac.uk/discover/news/2022/april/seabird-declines-threatening-coastal-nutrient-supply.html" target="_self">seabird</a> is being slowly put back together.</p> <p>Standing around a metre tall, and weighing as much as 6.5 kilograms, the spectacled cormorant was the largest cormorant that ever lived. Despite its record-breaking size, however, its <a href="https://www.nhm.ac.uk/discover/extinction.html" target="_self">extinction</a> in the 1850s was largely overlooked, consigning the cormorant to a footnote in history.</p> <p>Researchers from University of Akureyri and the Natural History Museum are now looking to change that. They recently went through every known specimen of the spectacled cormorant to help set the bird’s record straight.</p> <p>Doctoral researcher <a href="https://www.unak.is/english/moya/ugla/staff/theodore-edgar-squires" target="_blank" aria-describedby="new-window">Theo Squires</a>, the lead author of the resulting study, says, “there are myriad examples of species that have become extinct in recent times that people <a href="https://www.nhm.ac.uk/discover/news/2023/september/horns-in-museum-collection-from-extinct-bluebuck-antelope.html" target="_self">just don’t pay attention to</a>.”</p> <p>“It’s especially true of species from remote locations, and news of the spectacled cormorant was probably obscured by the more prominent extinction of the <a href="https://www.nhm.ac.uk/discover/worlds-collide-great-auk.html" target="_self">great auk</a> in the same decade. While the passing of the auk was widely discussed at the time, the cormorant instead faded away. I hope that after all this time, we can highlight this long-lost species.”</p> <p>The findings of the study were published in the <a href="https://bioone.org/journals/bulletin-of-the-british-ornithologists-club/volume-144/issue-1/bboc.v144i1.2024.a2/Specimens-of-the-extinct-Spectacled-Cormorant-Urile-perspicillatus/10.25226/bboc.v144i1.2024.a2.full" target="_blank" aria-describedby="new-window">Bulletin of the British Ornithologists’ Club</a>.</p> </div> </div> <div class="foundation5image parbase section"> <div> <figure class=" flow" role="group"> <picture> <source media="(max-width: 480px)" srcset="/content/dam/nhmwww/discover/spectacled-cormorant/spectacled-cormorant-2-two-column.jpg.placeholder.480.480.png" data-srcset="/content/dam/nhmwww/discover/spectacled-cormorant/spectacled-cormorant-2-two-column.jpg.thumb.480.480.jpg"/> <source media="(min-width: 481px)" srcset="/content/dam/nhmwww/discover/spectacled-cormorant/spectacled-cormorant-2-two-column.jpg.placeholder.768.768.png" data-srcset="/content/dam/nhmwww/discover/spectacled-cormorant/spectacled-cormorant-2-two-column.jpg.thumb.768.768.jpg"/> <img class="lazy" src="/content/dam/nhmwww/discover/spectacled-cormorant/spectacled-cormorant-2-two-column.jpg.placeholder.768.768.png" data-src="/content/dam/nhmwww/discover/spectacled-cormorant/spectacled-cormorant-2-two-column.jpg.thumb.768.768.jpg" alt="Two sea otters poke out of the water and look towards the camera."/> </picture> <figcaption> <div class="image--caption-container" data-caption-truncation> <div class="image--caption"> <p>The demand for sea otter fur, and the resulting arrival of the fur industry in the Commander Islands, is thought to be a major factor in the spectacled cormorant's extinction. © Laura Hedien/Shutterstock. </p> </div> </div> </figcaption> </figure> </div> </div> <div class="text parbase section"> <div data-gtm-component="text"> <h2>What happened to the spectacled cormorant?</h2> <p>During the early sixteenth century the explorer Vitus Bering spent several years exploring the North Pacific as part of the Russian Empire’s Great Northern Expedition, reaching as far east as Alaska.</p> <p>On their return to Russia in 1741, however, Bering’s boat was shipwrecked on the island which now bears his name. Whilst the man himself passed away, the remaining crew were stranded on Bering Island for almost a year, with the naturalist Georg Steller among their number.</p> <p>Steller was the first scientist to see the spectacled cormorant, with his journals referring to a bird <a href="https://www.biodiversitylibrary.org/item/92517#page/321/mode/1up" target="_blank" aria-describedby="new-window">“the size of a great goose”</a> which could feed three famished sailors at a time. He noted that large numbers lived on the island, but all this would change within just a few decades.</p> <p>When Steller and the surviving crew made it back to Russia the following year, their story immediately drew attention – but not for the cormorants. Instead, the focus was on the large <a href="https://www.nhm.ac.uk/discover/ten-animals-we-have-saved-from-extinction.html" target="_self">sea otter</a> population which could be exploited for the fur trade.</p> <p>Over the next 30 years, more and more trappers arrived in the Commander Islands to hunt the sea otters. Theur arrival impacted not just the otters, but many other animals as well. One of the most notable examples was the <a href="https://www.nhm.ac.uk/discover/stellers-sea-cow-first-historical-extinction-of-marine-mammal-at-human-hands.html" target="_self">Steller’s sea cow</a>, a giant relative of the manatee that was driven to extinction by 1768 after being hunted for food by the trappers.</p> <p>At the time, the spectacled cormorant hung on. But as sea otter populations fell, some trappers decided to expand the fur trade by introducing Arctic foxes to islands across the North Pacific.</p> <p><a href="https://www.nhm.ac.uk/our-science/departments-and-staff/staff-directory/alex-bond.html" target="_self">Dr Alex Bond</a> is the Principal Curator and Curator in Charge of Birds at the Natural History Museum, and co-author of the paper.</p> <p>“While we can’t be exactly sure why the spectacled cormorant went extinct, but all the known specimens originate from the time that foxes were introduced to some of the islands for fur farming,” Alex explains. “Even if they weren’t the only cause, it’s likely that the foxes would have played a role in driving these birds towards extinction.”</p> <p>By the time the spectacled cormorant was formally described in 1811, it was likely to have already been quite rare. The last confirmed reports of the seabird come from the 1840s, although it may have hung on in a few places for another decade or two.</p> <p>Having vanished into obscurity, it wouldn’t be until 2020 that Theo found out about the spectacled cormorant and its story.</p> <p>“I have a background in cormorant research, but when I first came across the spectacled cormorant, I’d never heard of it before,” Theo says. “In fact, it seems that almost nobody had.”</p> <p>“As I kept reading the bird’s history, I was shocked it hadn’t become a movie. It’s got all these stories of adventure, including shipwrecked naturalists and remote islands, and it seemed to be a microcosm of everything interesting in biology. I was really excited to get involved in it.”</p> </div> </div> <div class="foundation5image parbase section"> <div> <figure class="mb-20 flow" role="group"> <picture> <source media="(max-width: 480px)" srcset="/content/dam/nhmwww/discover/spectacled-cormorant/spectacled-cormorant-3-two-column.jpg.placeholder.480.480.png" data-srcset="/content/dam/nhmwww/discover/spectacled-cormorant/spectacled-cormorant-3-two-column.jpg.thumb.480.480.jpg"/> <source media="(min-width: 481px)" srcset="/content/dam/nhmwww/discover/spectacled-cormorant/spectacled-cormorant-3-two-column.jpg.placeholder.768.768.png" data-srcset="/content/dam/nhmwww/discover/spectacled-cormorant/spectacled-cormorant-3-two-column.jpg.thumb.768.768.jpg"/> <img class="lazy" src="/content/dam/nhmwww/discover/spectacled-cormorant/spectacled-cormorant-3-two-column.jpg.placeholder.768.768.png" data-src="/content/dam/nhmwww/discover/spectacled-cormorant/spectacled-cormorant-3-two-column.jpg.thumb.768.768.jpg" alt="Steller's Arch, a natural rock formation on Bering island, stands on a beach behind waves in the foreground. "/> </picture> <figcaption> <div class="image--caption-container" data-caption-truncation> <div class="image--caption"> <p>Bering Island is now a nature reserve, supporting populations of seals, sea lions and sea otters. © Maximillian cabinet/Shutterstock.<br /> </p> </div> </div> </figcaption> </figure> </div> </div> <div class="text parbase section"> <div data-gtm-component="text"> <h2>Diving into the collections</h2> <p>With such a rapid extinction, relatively little is known about the spectacled cormorant. Details of its behaviour and lifestyle are scarce, while scientists still debate whether it could even <a href="https://academic.oup.com/zoolinnean/article-abstract/105/2/155/2646244" target="_blank" aria-describedby="new-window">fly or not</a>.</p> <p>To try and improve this situation, Theo and Alex contacted every museum mentioned as having at least one spectacled cormorant specimen. As it turned out, not all of them did.</p> <p>“Think of the <a href="https://www.nhm.ac.uk/discover/news/2023/february/dodo-de-extinction-announcement-causes-conservation-debate.html" target="_self">dodo</a>,” Theo says. “Lots of institutions thought they had a dodo in the past, because they hadn’t seen one before. I think it’s similar for the spectacled cormorant. They were given a cormorant from the North Pacific, and just assumed that this was it.”</p> <p>“We also dug up records which were based on typos, or a series of citations that eventually lead to a misquote. As the era of digitising collections has only just begun, it’s likely many similar issues will come to light over the coming decades.”</p> <p>In total, Alex and Theo found just six skins and more than 90 bones of the spectacled cormorant. Identifying these remains has helped to put the species’ life on a timeline, stretching from <a href="https://academic.oup.com/auk/article/135/4/895/5149007" target="_blank" aria-describedby="new-window">120,000-year-old bones</a> found in Japan to nineteenth-century skins.</p> <p>“It’s not clear whether the spectacled cormorant once lived more widely across the north Pacific, but it’s likely the species was never very abundant,” Alex says. “All known skin specimens of these birds came from the Commander Islands, and passed through Sitka, which was then the capital of Russian America.”</p> <p>It’s possible that there could still be more unidentified spectacled cormorants in museum collections just waiting to be found. Alex and Theo hope that investigating historic records might reveal whether or not this is the case, as well as shedding more light on the bird’s social history.</p> <p>“There’s a report from the US Signal Corps that the Indigenous People of the Near Islands said that they had been hunting a very large cormorant in the 1860s, a decade after the spectacled cormorant is presumed to have become extinct,” Theo says.</p> <p>“I think a lot of information which came from <a href="https://www.nhm.ac.uk/discover/indigenous-peoples-call-for-co-operation-conserve-worlds-biodiversity.html" target="_self">Indigenous communities</a> was probably dismissed at the time, and going back to it might reveal what was happening to this species.”</p> <p>“There are some tight ethical issues to navigate, but the opportunity to fit an entire organism back into the history of a people and allow them to reclaim it is a moral imperative. I would love to go through this material and reveal even more about the spectacled cormorant.”</p> </div> </div> </div> <div class="article--footer">  <div class="cluster ga-scroll-event-target"> <div class="social-icons-list"> <div class="social-share--container"> <div class="social-share--icons cluster"> <div class="facebook social-share--icon--container"> <a aria-label="Share on facebook" href="https://www.facebook.com/sharer/sharer.php?u=https://www.nhm.ac.uk/discover/news/2024/march/rediscovering-worlds-largest-cormorant" target="_blank" rel="noopener"> <svg width="28" height="28" viewBox="0 0 28 28" fill="none" xmlns="http://www.w3.org/2000/svg" class="social-share--icon"> <circle cx="14" cy="14" r="14" fill="#333333"/> <path d="M15.1783 21.9729V15.143H17.5302L17.882 12.4813H15.1783V10.7824C15.1783 10.0119 15.398 9.48656 16.5315 9.48656L17.9776 9.4859V7.10507C17.7275 7.07269 16.8692 7 15.8705 7C13.7858 7 12.358 8.24031 12.358 10.5181V12.4813H10V15.143H12.358V21.9729H15.1783Z" 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class="like-count js-like-count">0</span> </a> </div> </div> </div> <hr class="article--hr-footer"/> <div class="article--tags-footer"> <ul data-gtm-component="article-tags"> <li> <a href="http://www.nhm.ac.uk/discover/oceans.html">Oceans</a> </li> <li> <a href="http://www.nhm.ac.uk/discover/collections.html">Collections</a> </li> <li> <a href="http://www.nhm.ac.uk/discover/birds.html">Birds</a> </li> <li> <a href="http://www.nhm.ac.uk/discover/extinction.html">Extinction</a> </li> <li> <a href="https://www.nhm.ac.uk/discover/anthropocene.html">Anthropocene</a> </li> <li> <a href="http://www.nhm.ac.uk/discover/museum-research.html">Museum research</a> </li> </ul> </div> </div> </div>   <div class="article--sidebar layout-column"> <div class="tile section">  <div id="tile-1f688df4e1" class="tile__content" style="--tile-backgroundColor: #F4F4F4" data-layout="stacked" data-imgpos="right" data-ratio="twothirds" data-backgroundColor="#F4F4F4" data-gtm-component="tile"> <div class="tile__body"> <div class="tile__heading"> <h3>Read more</h3> </div> <div class="tile__text"> <ul> <li>Read the paper in full published in the <a href="https://bioone.org/journals/bulletin-of-the-british-ornithologists-club/volume-144/issue-1/bboc.v144i1.2024.a2/Specimens-of-the-extinct-Spectacled-Cormorant-Urile-perspicillatus/10.25226/bboc.v144i1.2024.a2.full" target="_blank">Bulletin of the British Ornithologists’ Club</a>.</li> <li>Find out what else <a href="https://www.nhm.ac.uk/our-science/departments-and-staff/staff-directory/alex-bond.html" target="_self">Alex is working on</a>. </li> </ul> </div>  </div> </div> </div> <div class="tile section">  <div id="tile-6754ecb387" class="tile__content" style="--tile-backgroundColor: " data-layout="stacked" data-imgpos="right" data-ratio="twothirds" data-gtm-component="tile"> <div class="tile__image"> <picture> <source media="(max-width: 480px)" 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towards a future where both people and the planet thrive.</p> <p>Hear from scientists studying human impact and change in the natural world.</p> </div>  <div class="tile__cta" data-gtm-component="tile-cta-button"> <a href="https://www.nhm.ac.uk/discover/anthropocene.html" class="button button--primary button--grey-dark button--with-icon"> The time is now <span class="button__icon button__icon--chevron"> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 150 150"> <path d="M50.03,25.628l50,50l-50,50"></path> </svg> </span> </a> </div> </div> </div> </div> </div>  </div> <div class="layout-row article--related-content" data-columns="1"> <div class="layout-column"> <div class="discoverrelated parbase section"> <div class="discover"> <h3 class="cards__title">Related posts</h3> <ul class="small-block-grid-1 medium-block-grid-2 large-block-grid-4 cards" data-gtm-component="curated-article-feed"> <li class="card" data-gtm-component="curated-article-card-0"> <a href="/discover/news/2023/september/horns-in-museum-collection-from-extinct-bluebuck-antelope.html"> <div class="card__wrapper"> <div class="card__image-wrapper"> <div> <picture> <source media="(max-width: 480px)" srcset="/content/dam/nhmwww/discover/bluebuck-horns/bluebuck-horns-specimen-full-width.jpg.placeholder.480.480.png" data-srcset="/content/dam/nhmwww/discover/bluebuck-horns/bluebuck-horns-specimen-full-width.jpg.thumb.480.480.jpg"/> <source media="(min-width: 481px) and (max-width: 640px)" srcset="/content/dam/nhmwww/discover/bluebuck-horns/bluebuck-horns-specimen-full-width.jpg.placeholder.620.620.png" data-srcset="/content/dam/nhmwww/discover/bluebuck-horns/bluebuck-horns-specimen-full-width.jpg.thumb.620.620.jpg"/> <source media="(min-width: 641px)" srcset="/content/dam/nhmwww/discover/bluebuck-horns/bluebuck-horns-specimen-full-width.jpg.placeholder.620.620.png" 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class="card__wrapper"> <div class="card__image-wrapper"> <div> <picture> <source media="(max-width: 480px)" srcset="/content/dam/nhmwww/discover/bird-list/bird-list-full-width.jpg.placeholder.480.480.png" data-srcset="/content/dam/nhmwww/discover/bird-list/bird-list-full-width.jpg.thumb.480.480.jpg"/> <source media="(min-width: 481px) and (max-width: 640px)" srcset="/content/dam/nhmwww/discover/bird-list/bird-list-full-width.jpg.placeholder.620.620.png" data-srcset="/content/dam/nhmwww/discover/bird-list/bird-list-full-width.jpg.thumb.620.620.jpg"/> <source media="(min-width: 641px)" srcset="/content/dam/nhmwww/discover/bird-list/bird-list-full-width.jpg.placeholder.620.620.png" data-srcset="/content/dam/nhmwww/discover/bird-list/bird-list-full-width.jpg.thumb.620.620.jpg"/> <img class="lazy card__image" src="/content/dam/nhmwww/discover/bird-list/bird-list-full-width.jpg.placeholder.620.620.png" data-src="/content/dam/nhmwww/discover/bird-list/bird-list-full-width.jpg.thumb.620.620.jpg" alt=""/> </picture> </div> </div> <div class="card__body"> <div class="card__tag"> News </div> <h3 class="card__title"> One in five European birds at risk of extinction, report warns </h3> <div class="card__description"> <p>Over 100 species of European birds are on the road to becoming extinct, a new report has warned. </p> </div> <div class="card__date"> 14 October 2021 </div> <div class="card__price"> </div> </div> </div> </a> </li> <li class="card" data-gtm-component="curated-article-card-2"> <a href="/discover/stellers-sea-cow-first-historical-extinction-of-marine-mammal-at-human-hands.html"> <div class="card__wrapper"> <div class="card__image-wrapper"> <div> <picture> <source media="(max-width: 480px)" srcset="/content/dam/nhmwww/discover/stellers-sea-cow/stellers-sea-cow-image-full-width.jpg.placeholder.480.480.png" data-srcset="/content/dam/nhmwww/discover/stellers-sea-cow/stellers-sea-cow-image-full-width.jpg.thumb.480.480.jpg"/> <source media="(min-width: 481px) and (max-width: 640px)" srcset="/content/dam/nhmwww/discover/stellers-sea-cow/stellers-sea-cow-image-full-width.jpg.placeholder.620.620.png" data-srcset="/content/dam/nhmwww/discover/stellers-sea-cow/stellers-sea-cow-image-full-width.jpg.thumb.620.620.jpg"/> <source media="(min-width: 641px)" srcset="/content/dam/nhmwww/discover/stellers-sea-cow/stellers-sea-cow-image-full-width.jpg.placeholder.620.620.png" data-srcset="/content/dam/nhmwww/discover/stellers-sea-cow/stellers-sea-cow-image-full-width.jpg.thumb.620.620.jpg"/> <img class="lazy card__image" src="/content/dam/nhmwww/discover/stellers-sea-cow/stellers-sea-cow-image-full-width.jpg.placeholder.620.620.png" data-src="/content/dam/nhmwww/discover/stellers-sea-cow/stellers-sea-cow-image-full-width.jpg.thumb.620.620.jpg" alt=""/> </picture> </div> </div> <div class="card__body"> <div class="card__tag"> Anthropocene </div> <h3 class="card__title"> Steller's sea cow: the first historical extinction of marine mammal at human hands </h3> <div class="card__description"> <p>Unusually for a modern mammal, we know little of it from a true natural history perspective.</p> </div> <div class="card__price"> </div> </div> </div> </a> </li> <li class="card" data-gtm-component="curated-article-card-3"> <a href="/discover/worlds-collide-great-auk.html"> <div class="card__wrapper"> <div class="card__image-wrapper"> <div> <picture> <source media="(max-width: 480px)" srcset="/content/dam/nhmwww/discover/great-auk/john-gould-birds-of-great-britain-2-full-wdith.jpg.placeholder.480.480.png" data-srcset="/content/dam/nhmwww/discover/great-auk/john-gould-birds-of-great-britain-2-full-wdith.jpg.thumb.480.480.jpg"/> <source media="(min-width: 481px) and (max-width: 640px)" srcset="/content/dam/nhmwww/discover/great-auk/john-gould-birds-of-great-britain-2-full-wdith.jpg.placeholder.620.620.png" data-srcset="/content/dam/nhmwww/discover/great-auk/john-gould-birds-of-great-britain-2-full-wdith.jpg.thumb.620.620.jpg"/> <source media="(min-width: 641px)" srcset="/content/dam/nhmwww/discover/great-auk/john-gould-birds-of-great-britain-2-full-wdith.jpg.placeholder.620.620.png" data-srcset="/content/dam/nhmwww/discover/great-auk/john-gould-birds-of-great-britain-2-full-wdith.jpg.thumb.620.620.jpg"/> <img class="lazy card__image" src="/content/dam/nhmwww/discover/great-auk/john-gould-birds-of-great-britain-2-full-wdith.jpg.placeholder.620.620.png" data-src="/content/dam/nhmwww/discover/great-auk/john-gould-birds-of-great-britain-2-full-wdith.jpg.thumb.620.620.jpg" alt=""/> </picture> </div> </div> <div class="card__body"> <div class="card__tag"> Anthropocene </div> <h3 class="card__title"> When worlds collide: the lesson of the great auk </h3> <div 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