iiinova — where your digital self keeps evolving

5/ Thanks to BTO Cymru staff Rachel Taylor & Hannah Hereward, our BTO Acoustic Pipeline team @simongillings.bsky.social & Page Huang, @northwaleswt.bsky.social Ben Stammers, and @harryblackk.bsky.social & Mark Mainwaring from @bangoruniversity.bsky.social for their work on this project.

4/ We can then look into how factors like surrounding habitat or weather conditions affect Swift breeding success, and how this helps conservation efforts. #SwiftAwarenessWeek

3/ As the project continues, we hope to be able to quickly analyse large volumes of audio recordings for Swift feeding events at various nest sites, indicating the frequency of feeding and prey availability.

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2/ Our BTO Acoustic Pipeline team then trained their systems to pick up chick begging calls in audio, and we're now looking to specifically identify feeding events.

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1/ We’ve been investigating Swift chick feeding rates using sound! 🔊 Swifts are declining in Wales, so @northwaleswt.bsky.social teamed up with us to research food availability during the breeding season by installing audio recorders at nest sites. 🎥 James Shrimpton #Ornithology #bioacoustics

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5/ Diolch i staff BTO Cymru Rachel Taylor a Hannah Hereward, ein tîm BTO Acoustic Pipeline @simongillings.bsky.social a Page Huang, @northwaleswt.bsky.social Ben Stammers, a @harryblackk.bsky.social a Mark Mainwaring o @bangoruniversity.bsky.social am eu gwaith ar y prosiect hwn.

4/ Yna gallwn edrych ar sut mae ffactorau fel cynefin cyfagos neu amodau tywydd yn effeithio ar lwyddiant nythu'r Wennol Ddu, a sut gallwn argymell ymdrechion cadwraeth. #SwiftAwarenessWeek

3/ Wrth i'r prosiect yma barhau, rydym yn gobeithio i ddadansoddi nifer fawr o recordiadau sain ar gyfer digwyddiadau bwydo'r Gwenoliaid Duon mewn sawl safle nythu, a fydd yn dangos amlder bwydo ac argaeledd pry.

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2/ Yna wnaeth y tîm (o Acoustic Pipeline y BTO) diweddaru'r dechnoleg i gofnodi galwadau'r cywion, a bellach rydym am nodi galwadau penodol y cywion yn cael eu bwydo.

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BTO Cymru @btocymru.bsky.social · 23/06/2026

1/ Rydym yn ymchwilio cyfraddau bwydo cywion Gwenoliaid Du gan ddefnyddio sain! 🔊 Mae poblogaeth y Wennol du yn gostwng yng Nghymru, felly ymunodd @northwaleswt.bsky.social â ni i ymchwilio i argaeledd bwyd yn ystod y tymor nythu trwy osod recordwyr sain mewn safleoedd nythu.

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Fancy learning about Welsh raptor ID and ecology? Charlotte will be leading a free raptor walk on July 17th at Rhayader. Click on the link to sign-up! www.bto.org/our-work/eve...

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BTO Cymru @btocymru.bsky.social · 09/06/2026

Wedi blwyddyn ers lansiad Cudyll Cymru, rydym wedi ysgrifennu erthygl (cyfieithiad o'r erthygl yn rhifyn newydd BTO News) ar y daith hyd yma! www.bto.org/about/where/...

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Wetland Bird Survey (WeBS) | Goose & Swan Monitoring (GSMP) @webs-gsmp.bsky.social · 20/05/2026

If you’re a beginner birder in Wales, we need your help! Dinefwr Pools was last counted in 2024 and attracts a good variety of common waterbird species. If you think you can help please contact us via the "Contact the Local Organiser" button at app.bto.org/websonline/s... #Ornithology #BirdingWales

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BTO | British Trust for Ornithology @btobirds.bsky.social · 20/05/2026

1/ The latest Winter Gull Survey revealed that over the two decades since the last count, the total number of gulls wintering in the UK has decreased from 3.9 million to just under 2.5 million! 📉 #Ornithology #Seabirds 📖 Read the report www.bto.org/WinGSReport

A greyscale image features a Common Gull flying with its wings outstretched which fill the screen. Wording alongside reads: 1.4 Million Gulls Vanished.

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Breeding Bird Surveys (BBS) @bbs-birds.bsky.social · 19/05/2026

(1/) Wales’ version of two up, two down has yielded some interesting results: There has been a 10 year increase of the distinctive Stonechat. It increased by 160% 2014-24 across the country. @btobirds.bsky.social @jncc.bsky.social @rspbscience.bsky.social @btocymru.bsky.social #Ornithology

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BTO Cymru @btocymru.bsky.social · 13/05/2026

3/ The news isn’t so positive for the brightly coloured Yellowhammer, with its ‘little bit of bread with no cheese’ song. It has declined by 75% across the country since the mid-1990s, which is very concerning.

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BTO Cymru @btocymru.bsky.social · 13/05/2026

2/ Skylark and Song Thrush have both shown significant signs of decline across Wales in recent years. However, both species are now showing some signs of recovery and increasing numbers.

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BTO Cymru @btocymru.bsky.social · 13/05/2026

1/ According to the 2025 @bbs-birds.bsky.social Report, three bird species with very well known songs are showing contrasting fortunes across Wales at the moment: Skylark, Song Thrush and Yellowhammer. 📖 Read the report at www.bto.org/bbs-report @btobirds.bsky.social #Ornithology #BirdingWales

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BTO Cymru @btocymru.bsky.social · 12/05/2026

Don’t miss these free events for young people this weekend at Forest Farm Country Park! Book a space at www.bto.org/youth-events #BirdingWales

A Kingfisher perches on a branch. Wording alongside reads: Feathers and Fun. Creative Birding for Beginners. Forest Farm Nature Reserve, Cardiff. Saturday 16 May. Saturday 16 May. 10am-12:30pm (Under 16s). 1pm-3.30pm (16-25 year olds). Free entry. www.bto.org/youth-events

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BTO Cymru @btocymru.bsky.social · 12/05/2026

Peidiwch â cholli'r digwyddiadau hyn i bobl ifanc penwythnos yma yn Parc Gwledig Forest Farm! Archebwch le am ddim yma www.bto.org/youth-events

A Kingfisher perches on a branch. Wording alongside reads: Hwyl a plu, gwylio adar creadigol i ddechreuwyr. Gwarchodfa Natur Fferm y Fforest, Caerdydd. Dydd Sadwrn 16eg Mai. 10am-12:30pm (Dan 16 oed). 1pm-3.30pm (16-25 oed). Mynediad am ddim. bto.org/youth-events

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BTO Cymru @btocymru.bsky.social · 11/05/2026

More than 16% of Wales has sites covered by volunteer surveyors for our Welsh Raptor Monitoring Project Cudyll Cymru! Thank you! But we still need more support to achieve our goal of producing regional trends for all 5 survey species – can you help? Sign up at www.bto.org/cudyll-cymru #BirdingWales

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Julian Hughes @penrhynbirder.bsky.social · 09/04/2026

BBS is one of the most significant contributions that any of us can make to knowledge of bird trends in Wales. If you're part of the #BirdingWales community, can identify birds by sight and sound, please do consider helping: www.bto.org/get-involved... @btocymru.bsky.social @rspbcymru.bsky.social

bto.org

Breeding Bird Survey (BBS) | BTO

About the survey The BTO/JNCC/RSPB Breeding Bird Survey (BBS) is the main scheme for monitoring the population changes of the UK’s common and widespread breeding birds, producing population trends for 119 bird and nine mammal species.

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BTO Cymru @btocymru.bsky.social · 09/04/2026

The 2025 BBS Report is out now! It was a record breaking year for coverage across the country, the best ever since the survey began in 1994. In Wales, the report showed Yellowhammer declined by three quarters, whereas Great Spotted Woodpecker increased by 248% from 1995 to 2024. #BirdingWales

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BTO | British Trust for Ornithology @btobirds.bsky.social · 31/03/2026

Whether it’s a park, sports field or cemetery we want you to tell us what #birds use your local greenspace!🐦🌳 Sign up to our Birds in Greenspaces survey at www.bto.org/greenspaces Just download the app, select your greenspace and log bird records! #UKBirding #BirdingScotland #BirdingWales

Illustrated artwork by Will Rose features a greenspace scene with a pathway, pond, trees, grass, bench, and birds in the trees including Blackbird, House Sparrows and Great Spotted Woodpecker. Wording alongside reads: The Birds in Greenspaces Survey starts 1 April. Tell us what birds use your local greenspace.

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BTO Cymru @btocymru.bsky.social · 20/03/2026

Rydym yn hapus i gyhoeddi bod ein prosiect adar ysglyfaethus Cudyll Cymru wedi derbyn cyllid pellach sy'n ganiatáu i'r prosiect i barhau am y tair blynedd nesaf. Ariennir y prosiect yma gan y Rhaglen Rhwydweithiau Natur. Mae'n cael ei ddarparu gan y Gronfa Treftadaeth, ar ran Llywodraeth Cymru.

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BTO Cymru @btocymru.bsky.social · 20/03/2026

We’re delighted our raptor monitoring project Cudyll Cymru has been awarded further funding so it can continue for the next three years➡️ www.bto.org/cudyll-cymru This project is funded by the Nature Networks Programme. It is being delivered by the Heritage Fund, on behalf of the Welsh Government.

A view of the underside of a Kestrel as it hovers with its wings outstretched against a bright blue sky.

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North Wales Wildlife Trust / Ymddiriedolaeth Natur Gogledd Cymru @northwaleswt.bsky.social · 10/03/2026

We're working with @bangoruniversity.bsky.social and @btocymru.bsky.social to map swifts and swift boxes in North Wales! You can help by recording swift sightings: cofnod.org.uk/projects/swift-recovery Or email hrb21gsx@bangor.ac.uk with the location of swift boxes. Please submit records by 31 March

Swift flying into a swift box by Nick Upton

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BTO East Glamorgan @eastglambto.bsky.social · 13/03/2026

Learning how to nest record safely enriched my birding and completely changed the way I looked at birds and their behaviour in spring. Want so share this experience and gather vital data for @btocymru.bsky.social? This free online event on 17 March is for you: www.bto.org/our-work/eve...

A beautifully delicate Goldfinch's nest with six pale eggs framed by green leaves.

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BTO Cymru @btocymru.bsky.social · 12/03/2026

Charlotte Griffiths, from the BTO Cymru team, will soon be giving talks on Welsh raptors and our Cudyll Cymru scheme at Gilfach Nature Reserve, Rhayader on the 27th and 29th of this month. Sign-up today on the BTO Cymru events page here 👉 www.bto.org/about/where/...

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4/ The study will collect data to assess raptor and Raven population trends and breeding success across Wales, helping to support conservation decisions to protect these species.

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3/ The survey season starts now, and is flexible so you can contribute as little as two hours a month! Whatever your skill level, we’d love you to be involved.

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2/ It’s the second year of our Welsh Raptor Monitoring Project Cudyll Cymru, and we’re looking for more volunteers to record just one or all five of the key species in the survey, including Kestrel, Sparrowhawk, Buzzard and Red Kite and one crow species, the Raven.

1/ We need you to help us monitor raptors in Wales! 🦅 You choose your survey patch, like the route you enjoy walking each week, and the raptors you want to record. It’s as easy as that! Find out more and take part ➡️ bit.ly/CudyllCymru #BirdingWales

A Sparrowhawk perches on a branch showing its barred underparts and yellow eye. Wording below reads: Can you help monitor raptors in Wales?

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4/ Bydd yr arolwg yn helpu ni i asesu tueddiadau poblogaeth adar ysglyfaethus a'r cigfrain a'u llwyddiant bridio ledled Cymru, gan helpu i gefnogi penderfyniadau cadwraeth i amddiffyn y rhywogaethau hyn.

3/ Mae tymor yr arolygon wedi dechrau a, gan fod yr arolwg yn hyblyg, gallwch gyfrannu cyn lleied â dwy awr y mis! Beth bynnag yw eich lefel sgiliau adnabod adar, byddem wrth ein bodd os ydych eisiau cymryd rhan.

2/ Dyma ail flwyddyn ein Prosiect Monitro Adar Ysglyfaethus Cymru, Cudyll Cymru, ac rydym yn chwilio am fwy o wirfoddolwyr i gofnodi un neu mwy o'r pum rhywogaeth allweddol yn yr arolwg - y Cudyll Coch, y Gwalch Glas, y Bwncath a'r Barcud Coch ac un rhywogaeth o frân, y Gigfran.

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1/ Rydym angen eich help i fonitro adar ysglyfaethus yng Nghymru! 🦅 Chi sy'n dewis ardal i arolygu - fel y llwybr cyfarwydd rydych chi'n cerdded bob wythnos - a'r adar ysglyfaethus rydych chi am eu cofnodi. Mae mor hawdd â hynny! Dysgwch fwy a chymerwch ran ➡️ bit.ly/cudyll-cymru

A Sparrowhawk, Gwalch Glas, perches on a branch. Wording alongside reads: Allwch chi helpu i fonitro adar ysglyfaethus yng Nghymru? Can you help monitor raptors in Wales?

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Events and training in Wales | BTO

Book a space on one of our free BBS events before they are full! Find a FREE training event near you on our website ➡️ www.bto.org/about/where/...

bto.org

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BTO | British Trust for Ornithology @btobirds.bsky.social · 05/03/2026

1/ Five leading charities forge partnership for bird conservation for the Bird Atlas 2027–31! 🐦 But what is the Bird Atlas? ⬇️🧵 #Ornithology @btobirds.bsky.social @birdwatchireland.bsky.social @rspb.bsky.social @rspbscience.bsky.social @scottishbirding.bsky.social @birdsinwales.bsky.social

BirdWatch Ireland CEO Andrew Kelly & BTO CEO Juliet Vickery are sitting at a table outside smiling as they get ready to sign a partnership agreement for the Bird Atlas 2027–31.

RSPB Chief Executive Beccy Speight & BTO CEO Juliet Vickery are sitting together at a table in the David Attenborough Building in Cambridge holding pens ready to sign a partnership agreement for the Bird Atlas 2027–31.

BTO CEO Juliet Vickery & Scottish Ornithologists Club President Ruth Briggs are sitting at a table smiling and holding pens ready to sign a partnership agreement for the Bird Atlas 2027–31.

BTO CEO Juliet Vickery & Welsh Ornithological Society Chair Anne Brenchley are sitting at a table together looking down and holding pens as they get ready to sign a partnership agreement for the Bird Atlas 2027–31. Wildlife and nature themed artwork hangs on the wall behind them.

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BTO Cymru @btocymru.bsky.social · 02/03/2026

Read about our experience at our first Welsh Raptor Convention in our latest blog ➡️ www.bto.org/our-work/new... Darllenwch am ein profiad yn ein Confensiwn Adar Ysglyfaethus Cymru gyntaf yn ein blog diweddaraf.

A crowd is seated listening to a BTO staff member talking at the first Welsh Raptor Convention.

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Julian Hughes @penrhynbirder.bsky.social · 23/02/2026

Catch up on the week's sightings in @northwaleslive.bsky.social BirdNotes, including the largest flock of European White-fronted Geese in Wales since 1979. And nice to see a flock of Twite on the Dee, but for how much longer? 📷 Dave Williams. #BirdingWales www.birdnotes.wales/blog/geese-f...

birdnotes.wales

Geese flock in but Twite fade away

The recent influx of European White-fronted Geese into Britain has been unprecedented in modern Welsh ornithology. Last week, 215 of these Russian-breeding waterbirds accompanied Pink-footed Geese...

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BTO Cymru @btocymru.bsky.social · 26/02/2026

Diolch i bawb a fynychodd ein Confensiwn Adar Ysglyfaethus Cymru gyntaf, gan gynnwys ein siaradwyr gwych! Gallwch chi ein helpu i fonitro adar ysglyfaethus hefyd trwy gymryd rhan yn ein prosiect Cudyll Cymru. Darganfyddwch sut ➡️ bit.ly/_CudyllCymru