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South East Wales Biodiversity Records Centre @sewbrec.org.uk · 02/10/2026

#RecordOfTheWeek today is this fantastic Spurilla neapolitana, also known as the 'hair curler' sea slug spotted at Oxwich by Tate Lloyd, and is new to Wales! The first UK sighting was only last year in Cornwall. Many thanks for the record & photo, submitted via iRecord. irecord.org.uk

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Cofnod Local Environmental Records Centre @cofnod.org.uk · 02/10/2026

The photos are good enough to confirm the ID/verification so no need to retain the specimen in this case. Although microscopic examination is generally preferred for a water-tight confirmation.

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Tegwyn @arachnoteg.bsky.social · 02/10/2026

Badumna longinqua for today's A-Z. New to the UK and probably spreading through plant trade. Check out your local garden centre, B+Q and especially B+M stores outdoor plant areas. You will likely find the distinctive web before any spider. Visit the BAS on YouTube for more info. #Aractober

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North Wales Wildlife Trust / Ymddiriedolaeth Natur Gogledd Cymru @northwaleswt.bsky.social · 28/09/2026

Now we're outside the bird nesting season, our peatland restoration works are back underway at Cors y Sarnau Nature Reserve. Together with the help of three playful Carneddau ponies, we're removing saplings and scrub to keep the peat bog habitat open. 💚

The peatland habitat landscape at Cors Y Sarnau Nature Reserve, by NWWT Jordan Vigus-Hurst.

The peatland at Cors y Sarnau Nature Reserve being grazed by the Carneddau ponies, by NWWT Jordan Vigus-Hurst.

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John Walters @johnwalterswildife.bsky.social · 28/09/2026

Rainbow Sea Slug Babakina anadoni with its prey the Hydroid Candelabrum cocksii - great find by Daisy Wood, Wembury Point, Devon at the weekend. The Olympus TG cameras are great for rockpooling able to withstand impact of being dropped on rocks and also completely waterproof - I use at TG6

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Cofnod Local Environmental Records Centre @cofnod.org.uk · 25/09/2026

Cofnod #RecordOfTheWeek is this Odiellus spinosus Harvestman by SueH. Easily recognised by its chunky body, short legs and distinct trident on the front margin of its head! Very much a lowland species. @britishspiders.bsky.social @megabunus.bsky.social

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NHM Library and Archives @nhmlibraryarchives.bsky.social · 24/09/2026

Thomas Pennant's (1726-1798) body of work spanned natural history, antiquities and travel. To celebrate his tercentenary, we've added his correspondence and catalogues to our Digital Special Collections: buff.ly/ZFULOe0. #Manuscripts #18thCentury #HistoryOfScience #HistoryOfNaturalHistory

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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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Tegwyn @arachnoteg.bsky.social · 23/09/2026

Some spiders from the last few days. Anypheana numida, Liocranum rupicola the Pied Stone spider and Parasteatoda spiderlings, P.tepidariorum? Also possible new site for what is likely Helpis. For size it has a small fruit fly. @britishspiders.bsky.social @tylanberry.bsky.social @sewbrec.org.uk

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Cofnod Local Environmental Records Centre @cofnod.org.uk · 22/09/2026

Yes moving fast in the UK. Adding the additional verified "iRecord" and "iNaturalist" records to the SRS records suggests it could turn up anywhere in Southern Britain these days. Keep your eyes peeled!

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Esmond Brown @chalkspring.bsky.social · 06/09/2026

@britishspiders.bsky.social @tylanberry.bsky.social @cofnod.org.uk A quick stop-off in Wales, to find a spider that I've yet to see in England. It always surprises me just how well such a big spider can 'hide in plain sight' on bare stone Arctosa cinerea is always a sight to behold

A large spider camouflaged amongst stones revealed by reduced water levels on the river

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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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Cofnod Local Environmental Records Centre @cofnod.org.uk · 07/09/2026

And when they run - they really run! Great news to have updated an old location for it 👍

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Cofnod Local Environmental Records Centre @cofnod.org.uk · 04/09/2026

Cofnod #RecordOfTheWeek Violet Bramble Rust (Phragmidium violaceum). Spores photographed and recorded by TonyC in Denbighshire. This fungus occurs on Bramble, and forms impressive pock-marked purple swellings on stems! @sewbrec.org.uk @bispowys.bsky.social @wwbic1.bsky.social @britmycolsoc.org.uk

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Mandy Forde @mandyforde.bsky.social · 02/09/2026

Two colour forms of moth caterpillars Bright-line-brown-eye found a few inches away from each other, one on Knapweed the other on Wild Carrot #WildWebsWednesday #TeamMoth

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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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alandaviesbirds.bsky.social @alandaviesbirds.bsky.social · 26/08/2026

Lovely early evening on the Great Orme, Llandudno. Beautiful juvenile Dotterel showing perfectly in the evening sun. Thanks to Pete A for finding it & sharing the news. Great to catch up with lovely people too. #birds #birdwatching #birding #wales

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Catherine Duigan @cduigan.bsky.social · 23/08/2026

Totally magic and incredibly beautiful! Not 1 but 2 adult #Convolvulus #Hawkmoths #Agrius convolvuli encountered on #AngleseyCoastPath between Traeth Coch and Penmon this morning; Occasional/scarce migrant from S Europe/Africa; records submitted @cofnod.org.uk #mothsmatter #moth #TeamMoth #Wales

Large furry moth resting on rock; body length circa 5cm; wings fluttering; exposing black and pink bar markings on body; black eyes; large antennae

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South East Wales Biodiversity Records Centre @sewbrec.org.uk · 21/08/2026

#RecordOfTheWeek today is a Sponge Crab (Dromia personata), spotted in Oxwich by Zoe Foster. This species has a symbiotic relationship with sponges, which provide the crab with camouflage while the sponge gains protection from predators. Many thanks for the record & photo sent via LERC Wales App.

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Mandy Forde @mandyforde.bsky.social · 19/08/2026

Timothy Tortrix caterpillar on Skullcap #WildWebsWednesday #TeamMoth

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Armando Rosario-Lebrón @rosariolebronentomology.com · 19/08/2026

A mite last seen 39 years ago. We will be walking the Welsh shore looking for it, and posting as we go. The site now has a live blog, a map of everywhere we have searched, and a Welsh option. I can't speak Welsh, but this is Wales. It needed a Welsh option. Thinozercon is out there. #inverts 🧪

Screenshot of the Lost Mite of the Irish Sea website on a phone, styled like a page from an old book: cream paper, a brown double ruled border, antique serif type. A bar across the top holds a Contents button, a CY button for Welsh, and an Aa button for text size. The title reads The Lost Mite of the Irish Sea, above the line Ireland, 1915 · Wales, 1987 · Then the record goes silent. The italic paragraph below reads: The hunt for one of the strangest and most mysterious arachnids of the Irish Sea shore. First found on Irish shores in 1915, then recorded once more in Wales in 1987 by Swansea researchers working in Milford Haven on a study part funded by the oil industry. Thinozercon has not been seen since. The Hunt for Thinozercon intends to change that.

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John Walters @johnwalterswildife.bsky.social · 19/08/2026

Horehound Plume moth Wheeleria spilodactylus Great Orme Llandudno Wales

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NBN Trust: National Biodiversity Network Trust @nbntrust.bsky.social · 18/08/2026

🌿Bookings for the NBN Conference 2026 are open! 📅 Thursday 19 November 2026 📍 Royal Armouries Museum, Leeds This year's theme is: Nature as National Resilience: turning biodiversity data into action for people, place and a changing climate. Will you be joining us? 👉 bit.ly/4wEFFmi

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Merseyside BioBank @mbblerc.bsky.social · 18/08/2026

🕷️ Twilight Session: Spiders 🕷️ Join us for a fascinating evening discovering the amazing world of spiders! Learn about the different species, their behaviours and why they're so important to our ecosystems. More information here: www.eventbrite.co.uk/e/twilight-s...

eventbrite.co.uk

Twilight Session - Spiders

More details to be added

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Amphibian and Reptile Conservation @arc-trust.bsky.social · 18/08/2026

ARC North Wales team at an event in Nantclwyd y Dre, educating people on local herpetofauna and providing tips to encourage and maintain populations in garden and allotment settings. Have a passion for wildlife? Sign up as a volunteer using the link below 👇 www.arc-trust.org/.../arc-volu...

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John Walters @johnwalterswildife.bsky.social · 17/08/2026

Years ago I learnt from Adrian Spalding that the Sandhill Rustic moth Luperina nickerlii can swim! Tried this out on Anglesey this week. It lives in coastal dunes and salt marshes and the females rarely fly so presume this helps if caught Out by spring tides.

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Tegwyn @arachnoteg.bsky.social · 15/08/2026

A carefully suspended and disguised egg sack constructed by Cryptachaea blattea. A introduced species that's gradually becoming wide spread since being first recorded in 2011. @britishspiders.bsky.social @cofnod.org.uk

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Cofnod Local Environmental Records Centre @cofnod.org.uk · 13/08/2026

Good coverage of spider recording in UK (lots of modern recording, particularly in England & Wales). Tetrad frequency roughly shows the most intensively recorded areas (unsurprisingly mostly centred on areas with high human population density). @britishspiders.bsky.social

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Mandy Forde @mandyforde.bsky.social · 12/08/2026

I'm invariably wrong with my spider id 🙄 but I'm thinking these might be male & female Four-spotted Orb Weavers, Araneus quadratus. Spotted just now in my #Anglesey meadow for #WildWebsWednesday @cofnod.org.uk

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Cofnod Local Environmental Records Centre @cofnod.org.uk · 12/08/2026

Yes adult male and female Araneus quadratus. Always a good meaty species to find. Widespread, but patchy in its distribution @britishspiders.bsky.social

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John Walters @johnwalterswildife.bsky.social · 11/08/2026

Beautiful early morning light Mynytho Common, Llyn Peninsula, North Wales

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North Wales Wildlife Trust / Ymddiriedolaeth Natur Gogledd Cymru @northwaleswt.bsky.social · 11/08/2026

Creating wildflower meadows 🌼 Recently, our staff and volunteers spent the day collecting and processing wildflower and grass seed from our magnificent meadows at Caeau Tan y Bwlch Nature Reserve. The seeds will be used to create and restore other meadows at various sites on the Llŷn Peninsula. 💚

Volunteers process the seeds by hand through various sieves to get rid of the unwanted leaves and stems, by NWWT.

Once the seeds have been sorted, the leftover leaves and stems are released back on to the reserve, by NWWT.

An ATV towed seed harvester is used to gather material which is then sorted by hand using various sieves. Seed this year will help restore meadows at our nearby Bryn Ifan site and other locations on the Llŷn Peninsula. By NWWT.

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John Walters @johnwalterswildife.bsky.social · 09/08/2026

Sketches of male and female Scalloped Hook-tip Falcaria lacertinaria A beautiful dead leaf mimic Trigonos, Pentlle, Snowdonia North Wales

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John Walters @johnwalterswildife.bsky.social · 09/08/2026

A very scenic spot to run my light trap this week with Snowdonia as a backdrop. Canary-shouldered Thorn Ennomos alniaria the commonest of 60 plus species caught Trigonos Pentlle Snowdonia North Wales

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West Wales Biodiversity Information Centre @wwbic1.bsky.social · 07/08/2026

#recordoftheweek #cofnodyrwythnos is Colias croceus, the Clouded Yellow butterfly. Recorded in Pembrokeshire by Abi Fosdike on iRecord thank you for your records 🦋Keep an eye out for these bright yellow butterflies during your #bigbutterflycount @cofnod.org.uk @sewbrec.org.uk @bispowys.bsky.social

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Oliver E. Prŷs-Jones 🇺🇦🏴󠁧󠁢󠁷󠁬󠁳󠁿 @opj123.bsky.social · 08/08/2026

A good year for Hummingbird hawkmoths in North Wales. Usually spot one every few summers but four so far this year @cofnod.org.uk @savebutterflies.bsky.social

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Julian Hughes @penrhynbirder.bsky.social · 09/08/2026

Two for #WildFlowerHour from yesterday's walk in #Eryri National Park: (1) one of around 40 Common Butterworts growing from a vertical rock - the photo is the right way round! (2) Yellow Water-lilies on Llyn Cwmorthin, a fairly scarce flower in the uplands of North Wales. Both now on @cofnod.org.uk

The six leaves of a Common Butterwort, similar in shape to a starfish (bright green and tongue-shaped), anchored to a vertical stone, dripping with water and moss. From the centre of the rosette is a single, long stem with a dead flower at the top, previously purple but now shrivelled and brown

Hundreds of green and yellow lily leaves floating on the surface of the lake, many with bulbous yellow flower cups at the top of long green stems. Beyond the lake is a slate-covered slope with a white cottage at the base and a few conifer trees on the lake shore

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South East Wales Biodiversity Records Centre @sewbrec.org.uk · 07/08/2026

#RecordOfTheWeek today is lovely Little Owls (Athene noctua) recorded in Gwent by Chris Blyth. Many thanks for the record and photo, submitted via www.sewbrecord.org.uk.

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Cofnod Local Environmental Records Centre @cofnod.org.uk · 07/08/2026

Lots of Humming-bird Hawk-moth (Macroglossum stellatarum) records coming in this week. This #RecordOfTheWeek is by MarkM on Anglesey. @sewbrec.org.uk @wwbic1.bsky.social @bispowys.bsky.social

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Wild Cymru @wildcymru.bsky.social · 05/08/2026

Job Opportunity - Conservation Officer We are looking for a conservation officer to join our team and help to save water voles in Wales. Find out more, and apply here: www.wild.cymru/job-opportun...

wild.cymru

Job Opportunity – Conservation Officer – Wild Cymru

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Cofnod Local Environmental Records Centre @cofnod.org.uk · 05/08/2026

Great to finally see Cheiracanthium pennyi (Endangered & Nationally Rare). Known site, but always useful to confirm continued site presence. One of the spider road-trip highlights @britishspiders.bsky.social

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Mandy Forde @mandyforde.bsky.social · 04/08/2026

After flitting around like a demented mosquito desperately following the butterfly determined to get a photo, so pleased when it finally landed. My first Clouded Yellow sighting in 9 years. #Aberffraw #Anglesey #WildWebsWednesday @savebutterflies.bsky.social @cofnod.org.uk

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Cofnod Local Environmental Records Centre @cofnod.org.uk · 04/08/2026

Don't worry we'll get around to verifying it. We've currently got 2395 SRS records awaiting verification, so it can be luck of the draw when a particular record gets verified (trying to do them in regional batches but this doesn't always go to plan).

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Cofnod Local Environmental Records Centre @cofnod.org.uk · 03/08/2026

Yeah - it's now widespread in the UK and breeding outdoors. Generally in Garden Centres, but also industrial parks and gardens. In some locations it's now the dominant spider!

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Cofnod Local Environmental Records Centre @cofnod.org.uk · 03/08/2026

5-spot Ladybird, Araneus angulatus, Attulus inexpectus and Badumna longiqua. Just a few photogenic highlights from a week-long spider recording road trip. @arachnoteg.bsky.social @bugsnstuffcom.bsky.social @wwbic1.bsky.social @sewbrec.org.uk @britishspiders.bsky.social @vc40ladybirds.bsky.social

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Mandy Forde @mandyforde.bsky.social · 02/08/2026

Grass-of-Parnassus in the dunes at Aberffraw #Anglesey Just a few minutes walk to the beach so I'm including it #ByTheSea #Wildflowerhour

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Cofnod Local Environmental Records Centre @cofnod.org.uk · 03/08/2026

A great day to round off a week-long road trip recording UK spiders. Think I saw 16 different salticid species in one week! Along with loads of other species I'd not seen before. Thanks @arachnoteg.bsky.social & Fin 👍 @britishspiders.bsky.social

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