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Catherine Duigan

@cduigan.bsky.social
1.8K followers 2.4K following 600 posts

Environmental consultant, researcher & non-fiction writer; water & nature; heritage & natural history; women in science; biographer of Dr. Kathleen Carpenter; Ireland & Wales connections; accepts commissions. catherineduigan.co.uk

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Catherine Duigan @cduigan.bsky.social · 30/09/2026
A shared heritage - #Holywells and the veneration in #Ireland of St. David, patron Saint of #Wales. #water #religion #IrelandWales #mnanaeireann #wildswimming #womenofireland #StDavid #hats #kneeling #statue @nlireland.bsky.social www.flickr.com/photos/nlire...
flickr.com
Well, Well, Well.
These elegantly attired visitors have gathered at St. David’s Well near Oylgate, now usually spelled Oylegate, in County Wexford. Several pause beside the statue of St. David, while an admirably direc...
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JNCC @jncc.bsky.social · 29/09/2026
🌊 A newly discovered pink sea fan coral colony off the South West coast of England shows the power of collaborative seabed mapping in action 🔗 bit.ly/4AT1lhU #CHAS2026 #SeabedMapping #CSM2026
A shot from above a grey brown seabed. Dotted along are peachy-coral coloured corals shaped like fans
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Catherine Duigan @cduigan.bsky.social · 28/09/2026
A shared heritage - The Ladies of #Llangollen from #Kilkenny, a very special part of our #Ireland #Wales story - will be great to see this exhibition at Tŷ Pawb, #Wrexham @norenashopland.bsky.social
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Catherine Duigan @cduigan.bsky.social · 27/09/2026
Educated in a school on the #RiverTrent in #Gainsborough #Lincolnshire, pioneering freshwater ecologist Kathleen Carpenter would have also been a witness to its #pollution from industry. #worldriversday @trentriverstrust.bsky.social @lincswildlife.bsky.social biography.wales/article/s12-...
Collage of images including background map of the River Trent flowing through Gainsborough, buildings on the riverbank, a salmon and photograph of Kathleen Carpenter in Edwardian clothing.
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An Taisce @antaisce.bsky.social · 27/09/2026
World Rivers Day offers a perfect opportunity to reflect on how we can reverse these trends for good By taking action and following the best available evidence, we can create lasting solutions to pollution. Healthy rivers are essential for nature, communities & future generations. #WorldRiversDay
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NationCymru @nation.cymru · 26/09/2026
Cader Idris: let the mountain speak is a capacious bag of a book. It will be essential reading for mountain lovers for years to come ✍️Andrew Green wp.me/p8Mk4U-1tVm
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NationCymru @nation.cymru · 26/09/2026
A fossil discovered on a Welsh beach has helped researchers uncover new information about the fish that swam in the seas around Wales more than 200 million years ago
wp.me
Fossil found on Welsh beach helps solve 200-year mystery
Nation.Cymru Staff A fossil discovered on a Welsh beach has helped researchers uncover new information about the fish that swam in the seas around Wales more than 200 million years ago. Fossil hunter ...
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NationCymru @nation.cymru · 26/09/2026
In Wales, climate change is discussed as if it sits apart from the cost-of-living crisis. Yet extreme weather affects harvests, supply chains and prices. Flooding threatens homes and businesses. The effects may begin elsewhere, but they do not remain elsewhere ✍️ Nicola Pulman
wp.me
Why climate change isn’t top of Wales’s agenda and how we change that
Nicola Pulman, Director of Size of Wales I had recently returned from visiting Size of Wales’s partners, the Sumatran Orangutan Society (SOS) and TaHuKah, in a 118,000-hectare landscape that is one of...
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Catherine Duigan @cduigan.bsky.social · 26/09/2026
Plant #heritage: A national collection of Welsh #ferns is being created at Treborth Botanic Gardens @treborthbg.bsky.social - Da iawn! @plantheritage.bsky.social @bangoruniversity.bsky.social #botany #Wales #pteridology #wildflowerhour
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Catherine Duigan @cduigan.bsky.social · 26/09/2026
A shared heritage - a way of talking in #Ireland and #Wales which is not a straightforward case of yes or no. #IrelandWales #Welsh #Irish #language #Cymraeg #gaeilge #verbs
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Julian Hughes @penrhynbirder.bsky.social · 25/09/2026
Do you have nature records in notebooks that you never look at and wonder what to do with? I've transcribed 10,000 records from the 1960-70s from a Welsh ornithological legend into @birdtrack.bsky.social and @cofnod.org.uk. And it was fascinating... #BirdingWales www.cofnod.org.uk/news/natural...
cofnod.org.uk
Naturalists' Notebooks: a treasure trove - Cofnod
Naturalists' Notebooks: a treasure trove
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Lighthouses Of Wales @lighthousewales.bsky.social · 26/09/2026
A day of music from lighthouses around Britain and Ireland is just starting now on BBC Radio 3! "Where the Light Sings" www.bbc.co.uk/sounds/play/...
bbc.co.uk
Radio 3 - Listen Live - BBC Sounds
Listen live to Radio 3 on BBC Sounds
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Oxfam Ireland @oxfamireland.bsky.social · 25/09/2026
“Nobody will be able to say that we did not know. Let it not be said that we did not act," Taoiseach Micheál Martin said of the Gaza genocide in today's address at the UN.
irishtimes.com
When true horrors of Gaza are fully revealed ‘it will shame the world’, Martin tells UN
Taoiseach says the prospect of a two-state solution is being deliberately undermined and calls for stronger international cooperation
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Catherine Duigan @cduigan.bsky.social · 25/09/2026
A shared heritage - The Edge, David Howell Evans, had Welsh parents #U2 #Ireland #Wales #IrelandWales #rockstars "During his childhood in #Dublin, Evans talked in two different accents, using a Welsh accent at home and an Irish accent whenever he was outside." en.wikipedia.org/wiki/The_Edge
en.wikipedia.org
The Edge - Wikipedia
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Catherine Duigan @cduigan.bsky.social · 25/09/2026
An eternal encounter - Woven in #wool and #silk with gold and silver threads, an #otter wrestles with a #lamprey in the #Borromeo #Tapestry #IsolaBella #fabric #nature #religion #heritage #FishFriday #Italy #heritage #Maggiore #envhist #Petromyzon #jawless #fish
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Paul Montgomery @stonefishweirs.bsky.social · 19/07/2025
Wood #fishweirs on the #RiveSuir below the Viking founded city of #Waterford,IR. Weirs have been used from prehistory for #salmon, #lamprey #eels #trout. Use of weirs caused debate and social conflict over access the rivers fisheries between indigenous communities and landlords. 1/4 #coastalhistory
Weir at Knockboy 1900-1910
https://catalogue.nli.ie/Record/vtls000036423Map of “three sisters rivers” the #Barrow, #Nor and #Suir flow down joining together in Wexford harbour Ireland.
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Catherine Duigan @cduigan.bsky.social · 24/09/2026
In praise of #snails- Just gorgeous writing and reading to brighten you day. #nature #art #naturewriting #wellbeing #highlyrecommended #gardening
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Catherine Duigan @cduigan.bsky.social · 23/09/2026
A special new purple plaque is set to be unveiled in Betws-yn-Rhos to celebrate a truly remarkable woman. Victorian expert Mary Lloyd Wynne made history as the very first female #fungi specialist in #Wales. #womeninscience #envhist #mycology #naturalhistory www.inyourarea.co.uk/news/why-a-t...
inyourarea.co.uk
Why a tiny village near Conwy is celebrating one of Wales' most forgotten heroines | InYourArea
Victorian fungi expert Mary Lloyd Wynne honoured with Purple Plaque
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NationCymru @nation.cymru · 22/09/2026
More than £1.8 million is being invested in a new research scheme that will see PhD students work with some of Wales’ biggest cultural and heritage organisations to explore the country’s history, culture and identity
nation.cymru
£1.8m research scheme to explore Wales’ history, culture and identity
More than £1.8 million is being invested in a new research scheme that will see PhD students work with some of Wales’ biggest cultural and heritage organisations to explore the country’s history, cult...
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NationCymru @nation.cymru · 23/09/2026
Over 20,000 people have backed a petition calling on the Welsh Government to reject Reform UK's motion to consider a targeted badger cull to 'manage' bovine TB wp.me/p8Mk4U-1tD9
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Tina Adcock @tinaadcock.bsky.social · 16/09/2026
So pleased that the Women's #EnvHist Network has chosen *A Cold Colonialism* as their featured book for fall 2026! www.envhistwomen.com/newbook-adco...
envhistwomen.com
Adcock-ColdColonialism
A Cold Colonialism: Modern Exploration and the Canadian North by Tina Adcock Winner of the Canadian Historical Association's 2026 Clio Prize (The North)  Exploration has long been pivotal to...
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Bathsheba Demuth @brdemuth.bsky.social · 17/09/2026
Coming in February! An edited collection on rivers past and present and how they move. The code E27RIVER gets you 30% off a preorder from Duke. #envhist #rivers #envhum
Cover of the book Rivers on the Move, edited by Bathsheba Demuth, by Mark Healey, anyone Giacomo Pareinello & Laurence Smith. Cover shows white swirls of a river channel on a blue background
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NiCHE Canada @nichecanada.bsky.social · 14/09/2026
"Before 'Lake America,' There Was 'Lake Frontenac'" by Scott Berthelette is part of our Tracking the Effects: Environmental History and the Current United States Federal Administration series, published in collaboration with @activehist.bsky.social niche-canada.org/2026/09/14/b... #envhist
niche-canada.org
Before “Lake America,” There Was “Lake Frontenac”
Lake Ontario's history shows political renaming attempts often fail, as Indigenous-derived names endure despite official decrees or vanity.
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Catherine Duigan @cduigan.bsky.social · 11/09/2026
#Cymru, where #geology, #nature and #industry meet - the story of #Wales #landscape #heritage #place #LlynPadarn #Eryri #slate #lake #freshwater #Llanberis #envhist #cynefin #Torgoch
View along slate wall above large linear lake surrounded by woodland and some fields; blue sky with clouds
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Cofnod Local Environmental Records Centre @cofnod.org.uk · 28/08/2026
Cofnod #RecordOfTheWeek is Convolvulus Hawk-moth (Agrius convolvuli) one of two Anglesey records seen by CatherineD recently. @sewbrec.org.uk @bispowys.bsky.social @wwbic1.bsky.social @savebutterflies.bsky.social
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NFBR @nfbr.bsky.social · 02/09/2026
lnkd.in/p/d7P_ciYJ
lnkd.in
In Search of the Elusive Freshwater Jellyfish 15 Dec 2026 | John Terenzini | University of Plymouth | FREE The freshwater jellyfish, Craspedacusta sowerbii, was first described in London by British… ...
In Search of the Elusive Freshwater Jellyfish 15 Dec 2026 | John Terenzini | University of Plymouth | FREE The freshwater jellyfish, Craspedacusta sowerbii, was first described in London by British z...
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Armando Rosario-Lebrón @rosariolebronentomology.com · 06/09/2026
New Thinozercon trip in Wales. This time a very successful trip with LOTS of amazing little critters. Everything from Crustaceans, Hemiptera and velvet mites in one location. Wales has such amazing #ukwildlife 🌿🧪 #inverts #bugsky #entomology Blog here: rosariolebronentomology.com/thinozercon/...
A pale, translucent Corophium amphipod in side view, walking across wet grey estuarine mud on its long banded antennae and front legs, with glistening sediment in the background.A bright red velvet mite, plush and densely furred, walking over coarse damp sand mixed with tiny shell fragments and strands of green algae.A small orange-brown predatory mesostigmatid mite with a smooth, glossy oval body, standing on rippled wet mud, its pale forelegs extended ahead like feelers.A slate-blue sea springtail, Anurida maritima, its plump segmented body covered in fine white hairs, crawling across shiny waterlogged mud, with a much smaller pale springtail visible below.
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Royal Irish Academy @ria.ie · 09/09/2026
What does it mean to live on an island, and why does it matter now? In his new book, Ireland: Why it matters to be an island, Michael Cronin asks us to rethink Ireland's relationship with the sea and consider what our island status means in an age of climate emergency Pre-order now: bit.ly/4cBfZ2H
Book cover of "Ireland: Why It Matters to Be an Island" by Michael Cronin, featuring stylized waves and a sun on a beige background.
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Royal Irish Academy @ria.ie · 08/09/2026
A look back at some key moments in Ireland’s aviation history, from the first flight to the pioneering Irish women who took to the skies. ✈️ Read the latest @dib.ie blog to discover more: www.dib.ie/blog/balloon...
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Lee Raye @leafyhistory.bsky.social · 07/09/2026
Happy release day from me and my new book! CREATURES OF STORY AND SONG is out today with @reaktionbooks.bsky.social . What do you think of my book cake?! (thanks Laurie!)
Photo of the author with curly hairs and glasses holding out a plate with a slice of cake with 'happy book release day'written over the topCake with my book's cover on the top!  The title is 'Creatures of Story and Song: Tracing Britain's Lost Species' by Lee Raye. The cover is turquoise blue with wolves walking with people
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NationCymru @nation.cymru · 06/09/2026
The Norman invasion created an English consciousness and established England’s domination of the British islands. In time that had implications for Wales, as well as Scotland and Ireland. We still live with the consequences ✍️Desmond Clifford wp.me/p8Mk4U-1sqF
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NationCymru @nation.cymru · 07/09/2026
A pioneering Welsh scientist who transformed understanding of prehistoric animals is to be honoured with a second blue plaque
wp.me
Pioneering Welsh fossil hunter recognised with second blue plaque
Nation.Cymru staff/agencies A pioneering Welsh scientist who transformed understanding of prehistoric animals is to be honoured with a second blue plaque. Dorothea Bate, who was born in Carmarthen in ...
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NationCymru @nation.cymru · 07/09/2026
Scientists have called for an overhaul of the way badgers are vaccinated against bovine tuberculosis in Wales, warning that major gaps in evidence make it difficult to establish whether the programme is helping to reduce the disease in cattle
wp.me
Scientists question impact of badger vaccination on bovine TB in Wales
Mark Mansfield Scientists have called for an overhaul of the way badgers are vaccinated against bovine tuberculosis in Wales, warning that major gaps in evidence make it difficult to establish whether...
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Catherine Duigan @cduigan.bsky.social · 06/09/2026
A shared heritage - those were the days when you could walk from #Pembrokeshire #Wales to #Wexford #Ireland! #walking #Ireland #Wales #archaeology #rockart #IrelandWales www.bbc.co.uk/news/article...
bbc.co.uk
Cave art discovery suggests first humans in Ireland came from Wales
During the most recent Ice Age, researchers believe there was a "lost land bridge" between Wales and Ireland.
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Catherine Duigan @cduigan.bsky.social · 05/09/2026
The dovecots of #Anglesey - once important sources of meat, eggs, feathers and fertiliser but also status symbols #heritage #agriculture #YnysMôn #gentry #Penmon #Boderwyd #pigeons #estates #gentry #architecture #Wales #Cymru
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Marsh's Library @marshslibrary.bsky.social · 28/08/2026
A magnified transection of a thistle stalk by Nehemiah Grew. Grew was one of the first scientists to use a microscope to study the internal structure of plants.
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Marsh's Library @marshslibrary.bsky.social · 04/09/2026
Sea monsters in Abraham Ortelius's Theatrum orbis terrarum. Be careful sailing near Tiguex!
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Catherine Duigan @cduigan.bsky.social · 03/09/2026
Ripples on reflection - Afon #Cefni #Llangefni #YnysMôn #Anglesey #Wales #photography #RiversOfWales #trees #Impressionist
Overcast sky visible through broadleaved tree branches reflected on river surface with circular ripples on righthand margin.
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Catherine Duigan @cduigan.bsky.social · 02/09/2026
A shared heritage - There will be brave ships, glamorous actresses and colourful Anglo-Irish! - Looking forward to talking to my local community about the 1926 Irish Free State Census. #IrelandWales #Ireland #Wales #migration #Empire #history #IrishSea
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The Linnean Society of London @linneansociety.bsky.social · 01/09/2026
It is back to school everyone! And to mark that, we have here William Keble Martin's paintbox which was used for his well loved Concise British Flora in Colour (1965) published when Martin was 88. It has 1,400 species of plants and has been the inspiration for many budding botanists ever since.
Antique watercolor kit with brushes and squeezed paint tubes in an open velvet-lined case set before an open botanical reference showing detailed plant illustrations and labels.
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Catherine Duigan @cduigan.bsky.social · 31/08/2026
#Copernicus, 30 August 2026: #Danube along the border between #Romania and #Bulgaria, near #Corabia - Extensive exposed #sandbanks are visible within the #river channel, particularly around islands and along both banks. #climatechange #drought #waterlevel #Europe eu-space.europa.eu/components/e...
eu-space.europa.eu
Low Danube water levels in Eastern Europe | EU Space Support Office
The Danube River continues to be affected by exceptionally low water levels as a consequence of the prolonged drought across Central and Eastern Europe.
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Catherine Duigan @cduigan.bsky.social · 30/08/2026
#wildflowerhour
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NationCymru @nation.cymru · 30/08/2026
Wales' culture and sport minister is to travel to the United States for the new Welsh Government's first transatlantic visit
wp.me
Welsh minister heads to US to strengthen trade and cultural links
Nation.Cymru staff Wales’ culture and sport minister is to travel to the United States for the new Welsh Government’s first transatlantic visit. Heledd Fychan will visit New York, Washington DC and Sp...
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Dr Toby Driver @drtobydriver.bsky.social · 25/08/2026
Walking around the famous Neolithic portal dolmen at Pentre Ifan, Nevern, Pembrokeshire 🤩 for #TombTuesday This extraordinary structure looks so different from every angle 🎥 My own, 2023; no sound
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Catherine Duigan @cduigan.bsky.social · 29/08/2026
#Hedgerow admiration season has begun on #YnysMôn #Anglesey #Wales #Cymru #botany #nature #walking #wellbeing #fruit #Hawthorn #sloe #fern #blackberry #Autumniscoming
Collage of Hawthorn, blackberries, sloes and polypodium fern
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The Linnean Society of London @linneansociety.bsky.social · 19/08/2026
Can you be our hero? Some of our rare book holdings that have shaped our understanding of biodiversity and inspired generations of naturalists are at risk. These include some of science's most compelling accounts of travel and exploration. Small or big, everything matters! More here bit.ly/45wG7YG
AdoptLINN appeal poster from the Linnean Society requesting donations to conserve mould‑damaged travel and exploration volumes, featuring a detailed colored scientific fish illustration, a QR code, and the society logo and website.
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The Linnean Society of London @linneansociety.bsky.social · 20/08/2026
Winifred Susan Blackman was an Oxford scholar whose curiosity took her to faraway Egypt. Blackman. who was supported by the Percy Sladen Memorial Fund, had a unique immersive research approach & she chose to live much like the working-class Egyptians she studied. 👉️ buff.ly/vQSPpVk
linnean.org
The Scholar Who Lived the Culture: Winifred Blackman’s Research In…
Discover the latest news from The Linnean Society of London.
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The Linnean Society of London @linneansociety.bsky.social · 28/08/2026
Continuing our limelight on ice cream flavours while it is still warm outside, this week it is vanilla! Read about Edmond Albius (1829–80), a 12-year-old boy from Réunion Island, who revolutionised the vanilla industry. Read here: buff.ly/dKo312m
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Kitty @kittyfisher.bsky.social · 24/08/2026
This is so brilliant; I love the passion and I hope they find the elusive wee critter! Pob lwc i’r tîm
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The New Yorker @newyorker.com · 28/08/2026
An early look at next week’s cover, “Pure Gold,” by Nicole Rifkin. newyorkermag.visitlink.me/GP5v-R
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