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btocymru.bsky.social
BTO Cymru
@btocymru.bsky.social
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The British Trust from Ornithology (BTO) is the UK's leading bird research organisation. BTO Cymru seeks to give a Welsh voice and perspective on the important issues for birds in Wales. www.bto.org/about-bto/national-offices/bto-cymru-english
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btocymru.bsky.social
BTO Cymru @btocymru.bsky.social · 18d
Are you a raptor enthusiast? Discover more about birds of prey in Wales at our Raptor Convention in January. Book a space ➡️ www.bto.org/RaptorConvention2026

Hear more about our Cudyll Cymru survey, hear from expert guest speakers and meet other nature enthusiasts over lunch. #BirdingWales
A Red Kite flies in the blue sky. Wording below reads: Welsh Raptor Convention 2026. Saturday 31 January, 10am-4pm. Aberystwyth University. BTO Cymru logo is top right of the image.
Reposted by BTO Cymru
btobirds.bsky.social
Grab a cuppa and read our Seabird Poo comic! ➡️ http://www.bto.org/S... ☕📖

Discover how seabird scientists collected bird poo and analysed its DNA contents to determine the types of prey consumed by Shags and Kittiwakes! 😮 #Ornithology

✏️ Illustrations by Anna Dupont-Crabtree
First two pages of the comic. Page one features a Kittiwake in the sky wondering where all the birds have gone. Page two shows how climate change impacts the diet of seabirds. One fish looks healthy, the other ones looks smaller and poorer quality.
December 30, 2025 at 8:00 AM
btocymru.bsky.social
Not long until our next FREE BTO Youth Girls Go Birding walk at Bute Park, Cardiff on Saturday 10 January! Book a space here: www.bto.org/our-work/eve...
Two people raise their coffee mugs outdoors. Wording alongside reads: Girls go birding: Birding and a brew. The Secret Garden, Bute Park, Cardiff. Saturday 10th January, 10:00-12:00. Open to cis women, trans women and those identifying as female and non-binary. Aged 25 and under. Free entry! bto.org/youth-events.
January 5, 2026 at 11:17 AM
btocymru.bsky.social
Are you a raptor enthusiast? Discover more about birds of prey in Wales at our Raptor Convention in January. Book a space ➡️ www.bto.org/RaptorConvention2026

Hear more about our Cudyll Cymru survey, hear from expert guest speakers and meet other nature enthusiasts over lunch. #BirdingWales
A Red Kite flies in the blue sky. Wording below reads: Welsh Raptor Convention 2026. Saturday 31 January, 10am-4pm. Aberystwyth University. BTO Cymru logo is top right of the image.
December 18, 2025 at 10:59 AM
btocymru.bsky.social
Ydych chi'n hoff o adar ysglyfaethus? Darganfyddwch fwy amdanynt yn ein Confensiwn Adar Ysglyfaethus ym mis Ionawr. Archebwch le➡️ www.bto.org/RaptorConvention2026

Clywch fwy am ein harolwg Cudyll Cymru, yn ogystal â siaradwyr gwadd arbenigol, a threuliwch amser efo naturiaethwyr eraill dros ginio.
A Red Kite flies in the blue sky. Wording below in Welsh reads: Confensiwn Adar Ysglyfaethus Cymru 2026. Dydd Sadwrn 31 Ionawr, 10yp-4yp. Prifysgol Aberystwyth. BTO Cymru logo top right of the image.
December 18, 2025 at 10:57 AM
Reposted by BTO Cymru
btobirds.bsky.social
1/ Of the 11 tagged Cuckoos that left the UK in summer, we have continued to receive regular updates from nine. ⬇️ 🪶

The furthest east of our birds are Joe & Sayaan in Democratic Republic of the Congo. Our most southerly Cuckoo is Norman in Angola. Furthest north we find Jim & Ashok, both in Gabon.
Image of a world map showing the locations of satellite tagged Cuckoos in Africa. Four headshots of Cuckoos feature in circular frames, alongside the wording Final Cuckoo Update for 2025. The BTO logo is top right of the image.
December 17, 2025 at 4:57 PM
btocymru.bsky.social
Join us for our next BTO Youth Girls Go Birding walk at Bute Park, Cardiff on Saturday 10 January! Book a space at www.bto.org/our-work/eve...
Two people raise their coffee mugs outdoors. Wording alongside reads: Girls go birding: Birding and a brew. The Secret Garden, Bute Park, Cardiff. Saturday 10th January, 10:00-12:00. Open to cis women, trans women and those identifying as female and non-binary. Aged 25 and under. Free entry! bto.org/youth-events.
December 17, 2025 at 4:21 PM
btocymru.bsky.social
We would like to thank our wonderful Cudyll Cymru volunteers for their contributions in our first season. Wishing you all a very Merry Christmas and a Happy New Year 🎄

📷 Kestrel by Liz Cutting / BTO
A Kestrel perches on the branch of a leafless tree with blue sky in the background.
December 16, 2025 at 10:27 AM
Reposted by BTO Cymru
btobirds.bsky.social
Exciting news! @btocymru.bsky.social is hosting its first Welsh Raptor Convention. Book a spot ➡️ www.bto.org/RaptorConvention2026 🦅

Find out results from our Welsh raptor survey Cudyll Cymru, listen to expert guest speakers, join our feather ID workshop and enjoy lunch! #BirdingWales
A Kestrel perches on a rock. The BTO Cymru logo is top right of the image. Wording over the image reads: Welsh Raptor Convention 2026. Saturday 31 January, 10am-4pm. Aberystwyth University. Image credit bottom right reads: Kestrel by Philip Croft/BTO.
December 12, 2025 at 5:36 PM
Reposted by BTO Cymru
penrhynbirder.bsky.social
The chatty song of Redwings where you don't expect it. Also in @northwaleslive.bsky.social BirdNotes: sightings in #NorthWales, @btocymru.bsky.social's first Welsh Raptor Convention and reaction to Welsh Government rejection of Swift Brick proposal.

📷 Tony Pope

www.birdnotes.wales/blog/chatty-...
Chatty thrushes are sound of the north
Finding a calm and dry weather window to make the December visit to my BTO Winter Bird Survey above Conwy has been a challenge, but it was wonderful to hear the chatty, bubbling subsong of Redwings...
www.birdnotes.wales
December 15, 2025 at 6:27 PM
btocymru.bsky.social
Join us for our Welsh Raptor Convention on 31 January at @aberuni.bsky.social. Book here ➡️ www.bto.org/RaptorConvention2026

Discover results from Cudyll Cymru & hear from guest speakers Eagle Reintroduction Wales, National Wildlife Crime Unit, Keith Offord & @wildlifekate.bsky.social. #BirdingWales
A Sparrowhawk perched on a tree stump with foliage growing from it. BTO Cymru logo is top right. Wording on the image reads: Welsh Raptor Convention 2026. Image credit bottom right says Sparrowhawk by Sarah Kelman/BTO.
December 10, 2025 at 2:47 PM
btocymru.bsky.social
Ymunwch â ni ar gyfer ein Confensiwn Adar Ysglyfaethus cyntaf yng Nghymru ar 31 Ionawr yn @aberuni.bsky.social Archebwch yma ➡️ www.bto.org/RaptorConvention2026
A Sparrowhawk perched on a tree stump with foliage growing from it. BTO Cymru logo is top right. Wording on the image reads: Confensiwn Adar Ysglyfaethus Cymru 2026. Image credit bottom right says Sparrowhawk by Sarah Kelman/BTO.
December 10, 2025 at 2:43 PM
Reposted by BTO Cymru
penrhynbirder.bsky.social
A Purple Sandpiper at Cemlyn, ringed in Sweden but almost certainly bred in Svalbard. The 2024 ringing report from @btobirds.bsky.social, containing more fascinating info, features in BirdNotes alongside recent sightings, incl. potentially Wales' first Bufflehead

www.birdnotes.wales/blog/tiny-ri...
Tiny rings that reveal birds’ lives
A colour-ringed Purple Sandpiper at Cemlyn on Sunday is the same one seen in the Anglesey bay last winter, having been ringed in June 2024 at Nidingens bird observatory, an island off southwest...
www.birdnotes.wales
December 8, 2025 at 6:13 PM
Reposted by BTO Cymru
penrhynbirder.bsky.social
With one Welsh record in each of the last three centuries, I wasn't expecting to need space for a Eurasian Scops Owl in a second successive @birdsinwales.bsky.social Welsh Bird Report (subject to acceptance, of course)

Three of the last four British records have been found in Nov/Dec #BirdingWales
richarddann.bsky.social Richard Dann @richarddann.bsky.social · 29d
How extraordinary it was to see a Eurasian Scops Owl tonight, locally here in Gower, and in December of all months! A fabulous little bird that was hunting in a suburban park. #GowerBirds #ScopsOwl @gowerbirds.bsky.social
December 7, 2025 at 10:22 AM
Reposted by BTO Cymru
btobirds.bsky.social
Join us for the Welsh Raptor Convention in January! Find out more and book a space at www.bto.org/RaptorConvention2026
December 5, 2025 at 4:48 PM
btocymru.bsky.social
Exciting news! We’re hosting our very first Welsh Raptor Convention to celebrate the first season of Cudyll Cymru. Book a spot ➡️ www.bto.org/RaptorConvention2026

Find out results from the survey, listen to expert guest speakers, join our feather ID workshop and enjoy lunch! #BirdingWales
A Kestrel perches on a rock. The BTO Cymru logo is top right of the image. Wording over the image reads: Welsh Raptor Convention 2026. Saturday 31 January, 10am-4pm. Aberystwyth University. Image credit bottom right reads: Kestrel by Philip Croft/BTO.
December 5, 2025 at 4:46 PM
btocymru.bsky.social
Newyddion cyffrous! Rydym am gynnal ein Confensiwn Adar Ysglyfaethus Cymru gyntaf erioed i ddathlu tymor cyntaf Cudyll Cymru. Archebwch le ar www.bto.org/RaptorConvention2026

Darganfyddwch ganlyniadau’r arolwg, gwrandewch ar siaradwyr arbenigol, ymunwch â’n gweithdy adnabod plu a mwynhewch y cinio!
A Kestrel perches on a rock below the BTO Cymru logo which is top right. Wording on the image reads: Confensiwn Adar Ysglyfaethus Cymru 2026 Dydd Sadwrn 31 Ionawr, 10yp-4yp. Prifysgol Aberystwyth. Image credit bottom right reads: Kestrel by Philip Croft/BTO.
December 5, 2025 at 4:44 PM
btocymru.bsky.social
Are you surveying Raven as part of Cudyll Cymru? The Raven is an early breeder, with lots of the action kicking off in January! Look out for those spectacular synchronised flight dances in skies near you soon and get recording! #BirdingWales Raven by Philip Croft/BTO
December 1, 2025 at 4:15 PM
Reposted by BTO Cymru
penrhynbirder.bsky.social
Wild victims of bird flu increase - will it be the worst winter yet in Europe? @btobirds.bsky.social reminds birders we can play a role in monitoring #HPAI

Plus the week's #NorthWales sightings in @northwaleslive.bsky.social BirdNotes. 📷 Tony Pope. #BirdingWales

www.birdnotes.wales/blog/wild-vi...
Wild victims of bird flu on the rise
As ‘flockdown’ rules require keepers of birds to introduce strict biosecurity measures in Wales, increased deaths of wild birds have raised fears that it could be the worst winter yet for bird...
www.birdnotes.wales
November 17, 2025 at 7:02 PM
Reposted by BTO Cymru
birdsinwales.bsky.social
HUGE diolch to ALL who supported and attended Conference. An inspiring, informative & wonderful day. See you next year!

Diolch i BAWB am gefnogi a mynychu. Diwrnod ysbrydoledig, addysgiadol a bendigedig. Tan flwyddyn nesaf!

@iolowilliams.bsky.social
@btocymru.bsky.social
@rspbcymru.bsky.social
The audience at WOS Conference today
October 25, 2025 at 8:07 PM
Reposted by BTO Cymru
robthomasbirds.bsky.social
This was a lovely surprise and honour, to receive the 2025 Marsh Award for Ornithology from the British Trust for Ornithology @btobirds.bsky.social, at this evening’s opening of the Society of Wildlife Artists’ annual exhibition.
btobirds.bsky.social BTO | British Trust for Ornithology @btobirds.bsky.social · Oct 16
The Marsh Award for Ornithology goes to Dr. Rob Thomas! @robthomasbirds.bsky.social has made a huge contribution to ornithology through academic research, teaching & mentorship that’s inspired generations of students. He’s also published a monograph on the Storm-petrels. @marshawards.bsky.social
An image of Dr. Rob Thomas holding a mug smiling at the camera with a stone wall in the background features in a circular frame over a background of white, green and pale pink colouring. Wording top left reads: Winner The Marsh Award for Ornithology Dr. Rob Thomas. The BTO logo and Marsh Charitable Trust logo are top right of the image.
October 16, 2025 at 10:11 PM
btocymru.bsky.social
Heather's contribution to ornithology and BTO surveys has been incredible across Wales! Thank you Heather! A well-deserved recipient of the Jubilee Medal. 🏅
btobirds.bsky.social BTO | British Trust for Ornithology @btobirds.bsky.social · Oct 16
The winner of the Jubilee Medal is Heather Coats! Heather’s support to BTO has been outstanding, including her surveying for @bbs-birds.bsky.social (she’s one of four people in Wales to have surveyed a square every year) & her dedication to bird ringing led her to co-found the Gower Ringing Group.
A portrait image of Heather Coats in a circular frame over a background of white, green and pale pink colouring. Wording top left reads: Winner Jubilee Medal Heather Coats. The BTO logo is top right of the image, and the silhouette of a Robin is bottom right of the image above the wording winner BTO awards 2025.
October 16, 2025 at 6:27 PM
btocymru.bsky.social
Congratulations to Julian @penrhynbirder.bsky.social on being awarded the Dilys Breese Medal for his contribution to ornithology and sharing BTO's work across Wales!
btobirds.bsky.social BTO | British Trust for Ornithology @btobirds.bsky.social · Oct 16
Our Dilys Breese Medal winner is Julian Hughes @penrhynbirder.bsky.social! Julian is editor of the Welsh Bird Report, Co-editor of The Birds of Wales and a dedicated birder. Taking part in many BTO surveys he uses his writing skills to regularly share BTO work, including in his BirdNotes column. 📝
An image of Julian Hughes holding binoculars features in a circular frame over a background of white, green and pale pink colouring. Wording top left reads: Winner Dilys Breese Medal Julian Hughes. The BTO logo is top right of the image, and the silhouette of a Robin is bottom right of the image above the wording winner BTO awards 2025.
October 16, 2025 at 6:22 PM
btocymru.bsky.social
Our online ‘Welsh Waders for Beginners’ course is now less than a week away! Book your place today on our website here: www.bto.org/our-work/eve...
October 1, 2025 at 4:06 PM
btocymru.bsky.social
Mae ein cwrs ar-lein ‘Adar Rhydio Cymru i Ddechreuwyr’ bellach llai na wythnos i ffwrdd! Cofrestrwch heddiw ar ein gwefan yma: www.bto.org/our-work/eve...
October 1, 2025 at 4:05 PM
Reposted by BTO Cymru
btobirds.bsky.social
The Winter Bird Survey has started! Huge thanks to all volunteer surveyors. You can find out more about the survey here: www.bto.org/get-involved...
penrhynbirder.bsky.social Julian Hughes @penrhynbirder.bsky.social · Sep 27
Before the rain arrived, first visit to my two @btobirds.bsky.social Winter Bird Survey squares above Conwy, which I otherwise rarely visit outside the breeding season.

Quite a few Chiffchaffs and Blackcaps still around, Robin winter territories galore, and several Choughs foraging on the mountain.
September 29, 2025 at 8:33 AM