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Liam Langley

@liamlangley1

Seabird Ecologist interested in movement, foraging ecology and navigation. Recently moved to Lund and currently getting to grips with life in Sweden. Spend an unreasonable amount of time stood on a hill waiting for birds to fly past. He/Him.

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29.10.2023
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Latest posts by Liam Langley @liamlangley1

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Canada Warbler in Pembrokeshire: new to Britain September 2023 saw an unprecedented influx of Nearctic landbirds to Britain and Ireland, with an exceptional breadth of American species recorded during a...

This month's Free Access Editorial Team Choice: Canada Warbler in Pembrokeshire!

Magnolia Warbler at St Govan’s Head, Pembrokeshire, found by Toby Phelps was then added to with the discovery of Britain’s first Canada Warbler.

Read more:

📸 Canada Warbler by Graham Jepson

11.03.2026 21:20 👍 17 🔁 3 💬 0 📌 0
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An individual‐based model to quantify the non‐breeding season impact of wind farms on seabirds A novel individual-based model to predict the impacts of offshore wind farms on seabirds during the non-breeding season, using long-term tracking data from SEATRACK. We demonstrate the model by simul...

✨New paper!✨
An individual‐based model to quantify the non‐breeding season impact of wind farms on #seabirds

doi.org/10.1002/2688...

@ninanatureresearch.bsky.social
@seatrackscience.bsky.social
@signecd.bsky.social
@masden.bsky.social

21.01.2026 14:27 👍 37 🔁 29 💬 3 📌 0
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Common Crane
Old Womans Lane, Cley
March 11 2026
A little bit of patch gold on a breezy early, early spring afternoon.
@linnetincley.bsky.social
#norfolkbirding
#cleybirds

11.03.2026 20:11 👍 42 🔁 2 💬 0 📌 0
Main foraging areas (75% AKDE) of male Goshawks foraging
exclusively in forest (A), in forest and farmland (B), and in forest and
town (C). Foraging areas of individual birds are indicated by different
colours. The town of Hajnówka is shown in grey. White dots indicate
known active Goshawk nests.

Main foraging areas (75% AKDE) of male Goshawks foraging exclusively in forest (A), in forest and farmland (B), and in forest and town (C). Foraging areas of individual birds are indicated by different colours. The town of Hajnówka is shown in grey. White dots indicate known active Goshawk nests.

Several male Goshawks breeding deep in Poland's Białowieża Forest 'routinely travelled up to 20 km to hunt feral pigeons in a town' with the authors concluding that 'urban environments shape the foraging behaviour of raptors even within primeval forests' #ornithology 🌍 www.nature.com/articles/s41...

11.03.2026 15:13 👍 87 🔁 22 💬 3 📌 0
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Cambridge University Library, University Museum of Zoology and the University of Cambridge - Collections Connections Communities

Fantastic fully funded PhD opportunity from @camglamresearch.bsky.social on the entomology of East Anglia and the associated archival records.

Bugs'n'books.

www.ccc.cam.ac.uk/initiatives/...

10.03.2026 20:50 👍 12 🔁 13 💬 0 📌 0
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An atmospheric clip of the Black-winged Kite, late afternoon at Ludham Bridge. We'd been along the footpath, no joy, but saw it distantly from the noisy road bridge. Curiously reminiscent of a gliding Leach's Storm-petrel at times.
@linnetincley.bsky.social
#norfolkbirding
#ukbirding
#rarebirdsuk

10.03.2026 20:12 👍 57 🔁 4 💬 1 📌 0
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A day to remember No words can describe watching this! Sunday 7th March. After a few days on patch with little to show for it, I must admit that something did...

The Port Meadow Ring-billed Gull blog post is now out, photos will be replaced in due course with better versions as I don't currently have the computer I usually use for image processing with me. Some identification pointers inside #ukbirding

tmbirding.blogspot.com/2026/03/a-da...

09.03.2026 21:35 👍 57 🔁 6 💬 3 📌 0
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Hanging out the washing this morning when a migrant Coal Tit started singing in the neighbour's tree. Washing dropped, bins and camera grabbed and our house list increased by one! Coal Tits are less than annual on Barra. House list now stands at 154 species. #birdingscotland

09.03.2026 17:51 👍 73 🔁 2 💬 6 📌 0
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Serin just pitched in a tree top at the Obs

09.03.2026 10:57 👍 150 🔁 6 💬 1 📌 1
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Some nice birds locally and out around Pembs over the last week or so as spring slowly starts going. On the local patch, a Marsh Harrier east over Skrinkle and a Goshawk over Manorbier in the week. Yesterday 2 Velvet Scoter off Telpyn Pt and today a Black Redstart at Martin's Haven! #birdingWales

08.03.2026 19:35 👍 33 🔁 4 💬 0 📌 0
Group of gulls and Terns on wooden posts. They all have white underparts and grey wings, and varying arounds of black on their heads. One Tern is a vagrant Foster's Tern and had a black eyemask and some dark streaking on its otherwise white head. It had orange legs which stands out from the nearby black legged Sandwich Terns, and a black bill that is conical.

Group of gulls and Terns on wooden posts. They all have white underparts and grey wings, and varying arounds of black on their heads. One Tern is a vagrant Foster's Tern and had a black eyemask and some dark streaking on its otherwise white head. It had orange legs which stands out from the nearby black legged Sandwich Terns, and a black bill that is conical.

Same group of birds but the Forster's Tern has turned around to show pale grey upper parts and even paler primaries.

Same group of birds but the Forster's Tern has turned around to show pale grey upper parts and even paler primaries.

Train arriving at a platform. There are benches on each side of the flatform. The train is mostly grey and dark blue. It is a small station with a bridge linking the 3 platforms. It is overcast. The information board for the platform with train says "Weymouth and..."

Train arriving at a platform. There are benches on each side of the flatform. The train is mostly grey and dark blue. It is a small station with a bridge linking the 3 platforms. It is overcast. The information board for the platform with train says "Weymouth and..."

Couldn't resist direct train to Poole to reacquaint myself with the Forster's Tern! Great to see on the deck after the fleeting views past patch 3 years ago. Maybe it'll return? 🙏 #LowCarbonBirding #DorsetBirds

08.03.2026 16:32 👍 86 🔁 4 💬 0 📌 1

This is terrific. Writing is a way to think; waiting to write until you've worked everything out is counterproductive. On the discomfort of thinking through writing, from @patthomson.bsky.social

08.03.2026 11:22 👍 16 🔁 11 💬 0 📌 0
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Ad. Bonaparte’s Gull today at Copperhouse, Cornwall (8th March ‘26). One of at least three birds in the county, plus same or another 1w at R. Plym yesterday.

#cornwallbirding #birding #ukbirding

08.03.2026 11:48 👍 42 🔁 4 💬 0 📌 0
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Adult Kittiwake Woodhead Res @derbyshirebirds.bsky.social 0850-0904 when headed E @birdguides.bsky.social #UKBirding

08.03.2026 09:16 👍 28 🔁 3 💬 0 📌 0
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Naff boc shots, but the Willet on Boa Vista showed nicely today. All gearing up nicely for the pelagics off Fogo next week, hopefully some quality sea-birding here on Cape Verde to come...

07.03.2026 19:52 👍 34 🔁 3 💬 0 📌 1

Amazing find for the meadow, great work and thoroughly deserved!

08.03.2026 07:13 👍 1 🔁 0 💬 0 📌 0
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Apparently patch birding does all come good in the end. 1w Ring-billed Gull this evening and glad some people managed to connect after my rather garbled attempt at putting news out. Blog post to follow #ukbirding

07.03.2026 20:40 👍 139 🔁 10 💬 5 📌 2
The only North American record of the extinct Slender-billed Curlew Numenius tenuirostris
Alexander L. Bond, Paige R. Langle
Abstract
An historical record of the extinct Slender-billed Curlew Numenius tenuirostris from Ontario, Canada, is quite exceptional, being the only North American record. Its inclusion in North American, Canadian, or Ontarian avifaunal lists is patchy, and the specimen has not been assessed against current identification criteria. We show that the specimen is extant, in the collection of the Buffalo Museum of Science, and is indeed a Slender-billed Curlew. Here, we compile the history of the specimen and its collector in the wider context of the ornithology of the Niagara Region.

The only North American record of the extinct Slender-billed Curlew Numenius tenuirostris Alexander L. Bond, Paige R. Langle Abstract An historical record of the extinct Slender-billed Curlew Numenius tenuirostris from Ontario, Canada, is quite exceptional, being the only North American record. Its inclusion in North American, Canadian, or Ontarian avifaunal lists is patchy, and the specimen has not been assessed against current identification criteria. We show that the specimen is extant, in the collection of the Buffalo Museum of Science, and is indeed a Slender-billed Curlew. Here, we compile the history of the specimen and its collector in the wider context of the ornithology of the Niagara Region.

New paper in @britornitholclub.bsky.social - Paige Langle and I highlight (and confirm the identity!) of the only North American record of the now-extinct Slender-billed Curlew (1/4) bioone.org/journals/bul... #ornithology

06.03.2026 19:55 👍 39 🔁 10 💬 2 📌 4
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Opportunities ***PhD and MSc openings – Movement ecology and conservation*** I will periodically support graduate students, postdocs, and other staff through the Biology Department at the University of New…

I’m recruiting a PhD and MSC student for fall 2026 working on the movement ecology and conservation of Mexican spotted owls in SW forests and rocky canyonlands. Exciting partnership with Los Alamos National Laboratory. Great vibrant lab group, high impact research! 🦉

gavinmjones.com/opportunities/

05.12.2025 19:30 👍 99 🔁 88 💬 4 📌 1

Cheers Reuben, clearly some proper potential here with Pacific Diver, Pallid Swift and Laughing Gull in the last year away from the seawatch!

06.03.2026 10:11 👍 2 🔁 0 💬 0 📌 0

A cracking couple of days on patch and buzzing to get some quality self-find points for @patchbirding.bsky.social #UKBirding

05.03.2026 22:32 👍 25 🔁 0 💬 2 📌 0
Curlew Sandpiper in a wader roost. First record in modern times….

Curlew Sandpiper in a wader roost. First record in modern times….

Pacific Diver - 1 of many photos

Pacific Diver - 1 of many photos

Absolute scenes! at St Ives Island with @jonesgareth.bsky.social & @liamlangley1.bsky.social with 3 megas in 12 hours. Last night a roosting Curlew Sand. This morning - a Magpie! - followed by a Pacific Diver drifting W on dropping tide. Maybe it will return …
#cornwallbirding #birdsseenin2026

05.03.2026 20:10 👍 35 🔁 5 💬 0 📌 1

Sad but not surprising to see Derek Gow throwing his toys out of the pram after being blocked from releasing Twite of a different non-native subspecies (and even in some places it didn't occur historically). A reminder of why this would fail 🧵#Ornithology #UKBirding 1/

03.03.2026 10:54 👍 46 🔁 7 💬 2 📌 1
Peacock butterfly in hibernation, with spider lurking!

Peacock butterfly in hibernation, with spider lurking!

120 wings of dead Peacock butterflies on floor of bunker, presumably eaten by bats. Equates to 30 butterflies eaten!

120 wings of dead Peacock butterflies on floor of bunker, presumably eaten by bats. Equates to 30 butterflies eaten!

A solitary Peacock left alive in the Purbeck bunkers. Out of 73 that went in. Not a very good survival rate! Culprits are bats (wing photo from last August) and spiders. Let’s hope they do better in other hibernation sites @dorsetbutterflies.bsky.social

25.02.2026 11:49 👍 32 🔁 6 💬 2 📌 1

The importance of taxonomists is exemplified in the line “Insects are by far the most diverse vertebrates.”

02.03.2026 09:28 👍 8 🔁 1 💬 1 📌 0
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‘I love midges because I know what their hearts look like’: is the passion for taxonomy in danger of dying out? Insect taxonomist Art Borkent has described and named more than 300 species of midges but fears his field of science is dying out, despite millions of insects, fungi and other organisms waiting to be discovered

‘I love midges because I know what their hearts look like’: is the passion for taxonomy in danger of dying out?

02.03.2026 08:47 👍 44 🔁 14 💬 2 📌 4
This Scaup has been around for at least 2 months. It looked pretty drab when he arrived - look at him now!

This Scaup has been around for at least 2 months. It looked pretty drab when he arrived - look at him now!

Super pleased to find the Pacific for the year. Saw it in December. Still looks pretty smart and was close in. Still has his chinstrap although not as noticeable as it was a few weeks back?

Super pleased to find the Pacific for the year. Saw it in December. Still looks pretty smart and was close in. Still has his chinstrap although not as noticeable as it was a few weeks back?

This could have been a great photo … but the PD was very active and fishing/diving constantly. At one point it must have gone over 50 metres underwater. Difficult to keep tabs on it.

This could have been a great photo … but the PD was very active and fishing/diving constantly. At one point it must have gone over 50 metres underwater. Difficult to keep tabs on it.

Bonaparte’s Gull at Hayle. Fortunately Steve R had already picked it up as I arrived - I would probably have missed it as it disappeared 5 minutes later. Thanks to the finder.

Bonaparte’s Gull at Hayle. Fortunately Steve R had already picked it up as I arrived - I would probably have missed it as it disappeared 5 minutes later. Thanks to the finder.

Drake Scaup looking dapper on Long Rock this am after 60 Manx, GND, RTD & 1 BTD off St Ives. Found the Pacific Diver close in at Roskilly - showed way better than my photos suggest - then jammed in on the Bonaparte’s at Hayle before it disappeared in lashing rain #cornwallbirding #birdsseenin2026

27.02.2026 18:20 👍 33 🔁 3 💬 1 📌 0
Ross's Gull

Ross's Gull

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I don't often twitch long-distance anymore, but with 3 dips over nearly 30 yrs, Ross's Gull was up there as most wanted. And being a first winter, its even more special to the ID aficionados. Just a few 1000 pics to go through... #RareBirdsUK

27.02.2026 13:21 👍 73 🔁 4 💬 5 📌 0
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Unmasking the gaps: a comparison of Red-backed Shrike Lanius collurio density estimates from large-scale monitoring and targeted field surveys | Bird Conservation International | Cambridge Core Unmasking the gaps: a comparison of Red-backed Shrike Lanius collurio density estimates from large-scale monitoring and targeted field surveys - Volume 36

#ornithology
www.cambridge.org/core/journal...

26.02.2026 22:06 👍 6 🔁 6 💬 0 📌 0
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Acceleration hotspots of North American birds’ decline are associated with agriculture Human activities might have accelerated declines of population abundance, but this acceleration remains underexplored. Using 1033 North American Breeding Bird Survey routes, we analyze abundance chang...

Thrilled to share our new paper out in @science.org, led by François Leroy and Petr Keil! Using the Breeding Bird Survey, we document not only a continent-wide decline in bird abundance since the 1980s — but, crucially, the acceleration of these declines over time. www.science.org/doi/10.1126/...

26.02.2026 20:29 👍 92 🔁 58 💬 5 📌 1