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Tómas G. Gunnarsson

@tomasgunnarsson.bsky.social
254 followers 254 following 8 posts

Animal ecologist at the University of Iceland. Migratory birds, waders/shorebirds, conservation. #ornithology #waders #shorebirds

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Reposted by Tómas G. Gunnarsson
Graham Appleton @wadertales.bsky.social · 15/04/2026
Interesting track of a homeward-bound Icelandic Golden Plover (@tomasgunnarsson.bsky.social on Facebook). Portugal to east England, then Netherlands & Orkney. Caught up in flock heading to Europe and readjusted to head to Iceland? #ornithology Background: wadertales.wordpress.com/2017/07/20/w...
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Graham Appleton @wadertales.bsky.social · 15/04/2026
More Snipe news! Very few Icelandic Snipe winter in England (wadertales.wordpress.com/2016/09/20/s...) This tagged bird left Cornwall at 7pm on 13th April and arrived in Iceland 16 hours later. Info from @tomasgunnarsson.bsky.social & @joseaalves.bsky.social #ornithology
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Graham Appleton @wadertales.bsky.social · 10/04/2026
Snipe news! 1/4 Two Snipe tagged in Iceland by José Alves left Ireland at dusk on 5 April and reached Iceland 17 hours later. See map. Averaging 80 and 87 km/h @birdwatchireland.bsky.social #ornithology
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Jen Gill @jengill.bsky.social · 02/03/2026
There is also a wadertales blog about this paper: wadertales.wordpress.com/2025/12/02/r...
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Tómas G. Gunnarsson @tomasgunnarsson.bsky.social · 09/03/2026
Icelandic waders race for space and opportunities in spring. New paper by Verónica Méndez et al. showing differences between long- and short-distance migrants. #ornithology Effects of Migration Distance on Shifting Migratory and Breeding Phenology in Waders onlinelibrary.wiley.com/doi/10.1002/...
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Graham Appleton @wadertales.bsky.social · 09/01/2026
Dunlin now VULNERABLE on Iceland's RED LIST. One of the waders most impacted by new forestry plantations: wadertales.wordpress.com/2022/06/18/i... Over 50% of Europe's Dunlin nest in Iceland so recent declines are of concern to whole East Atlantic Flyway. #ConservationScience🌍
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Graham Appleton @wadertales.bsky.social · 08/01/2026
Putting this in context: About 75% of Europe's Whimbrel breed in Iceland. Over 50% of Europe's Dunlin. About 50% of Europe's Golden Plover. About 20% of Europe's Redshank. SCARY! #ornithology
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Graham Appleton @wadertales.bsky.social · 08/01/2026
New Icelandic RED LIST (in Icelandic): www.natt.is/is/frettir/2... Country's populations of Dunlin, Golden Plover, Redshank and Whimbrel are now VULNERABLE (Threatened). Blog in English about recent declines: wadertales.wordpress.com/2025/02/20/i... #ornithology
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Tómas G. Gunnarsson @tomasgunnarsson.bsky.social · 06/12/2025
New response piece in New Forests by Wasowicz et al on using lodgepole pine in forestry in Iceland. link.springer.com/article/10.1...
link.springer.com
Lodgepole pine in Iceland: biomass gains cannot be interpreted without ecological costs. Response to Riege et al. - New Forests
We respond to Riege et al. (New For 56:68, 2025), who present valuable new data on early biomass accumulation by lodgepole pine (Pinus contorta) in Iceland. We argue that this finding cannot be evalua...
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Graham Appleton @wadertales.bsky.social · 05/12/2025
At the end of every new road/track in Iceland is a new summer cottage, a tourist development, a newly planted forest or energy infrastructure. All these developments impact breeding waders but the birds' problems start with the road. wadertales.wordpress.com/2025/12/02/r... #ConservationScience🌍
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Tómas G. Gunnarsson @tomasgunnarsson.bsky.social · 06/12/2025
New paper in Journal of Avian Biology by Aldís E. Pálsdóttir et al on the effects of roads on waders and other open-habitat species in Iceland: nsojournals.onlinelibrary.wiley.com/doi/10.1002/...
nsojournals.onlinelibrary.wiley.com
Effect of low‐traffic roads on abundance of ground‐nesting birds in sub‐Arctic habitats
Roads are among the most widespread anthropogenic structures, and their presence can impact biodiversity in surrounding landscapes through disturbance and collision risk, particularly when traffic vo...
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Graham Appleton @wadertales.bsky.social · 13/11/2025
We saw a colour-ringed Oystercatcher on West Sands, St Andrews, yesterday. @jengill.bsky.social She nests on the 9th green at Selfoss Golf Club (Iceland). St Andrews seems an appropriate winter home! A blog abou c.r. project: wadertales.wordpress.com/2021/02/02/o... #BirdingScotland
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Graham Appleton @wadertales.bsky.social · 17/11/2025
Restoring peatland. Capturing carbon and providing breeding habitat for waders. wadertales.wordpress.com/2025/08/16/p... Paper by Rob Hughes & Chris Bingham #ConservationScience🌍
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Graham Appleton @wadertales.bsky.social · 26/11/2025
1.5 million pairs of wader return to #Iceland each spring. Where do they nest and how vulnerable are they to habitat changes, many of which are linked to 'development' proposals? wadertales.wordpress.com/2025/08/27/i... #ConservationScience🌍
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Graham Appleton @wadertales.bsky.social · 05/11/2025
Why track waders? This blog has two aims – to share important scientific and conservation stories revealed through shorebird tracking work and to encourage scientists to make their data available via the Global Wader platform. wadertales.wordpress.com/2025/05/06/m... #ornithology Whimbrel tracks 👇
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Graham Appleton @wadertales.bsky.social · 12/09/2025
A juvenile wader/shorebird does not travel with its parents, so how does it establish its personal annual migration itinerary? Black-tailed Godwit blog from 12 Sep 2024 🎂 wadertales.wordpress.com/2024/09/12/j... Paper by @tomasgunnarsson.bsky.social et al #ornithology
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Graham Appleton @wadertales.bsky.social · 27/08/2025
Best bits of Iceland for waders. wadertales.wordpress.com/2025/08/27/i... New WaderTales blog - Number 150 🥳 Paper by Verónica Méndez et al #ConservationScience🌍
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Tómas G. Gunnarsson @tomasgunnarsson.bsky.social · 12/08/2025
New distribution models for Icelandic waders show how temperate to arctic species overlap across climatic and environmental gradients. Led by Dr. Verónica Méndez nsojournals.onlinelibrary.wiley.com/doi/10.1002/... @wildlifebiology.bsky.social #ornithology #waders #shorebirds #ConservationScience🌍
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Graham Appleton @wadertales.bsky.social · 01/06/2025
WaderTales blogs were read in 80 countries in May. The most widely downloaded tale highlights some of the latest results from wader/shorebird tracking: wadertales.wordpress.com/2025/05/06/m... #ConservationScience🌍 Map shows tracks of one Whimbrel monitored for several years by Camilo Carneiro et al
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Tómas G. Gunnarsson @tomasgunnarsson.bsky.social · 29/05/2025
Spot the golden plover nest - is a good game.
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Tómas G. Gunnarsson @tomasgunnarsson.bsky.social · 18/05/2025
Phalaropes are wonderfully tame. #ornithology
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Graham Appleton @wadertales.bsky.social · 21/02/2025
Southern Iceland is the most important area in Europe for breeding Whimbrel. New study measures decline of nearly 50% in twelve years. Blog: wadertales.wordpress.com/2025/02/20/i... Paper: www.tandfonline.com/doi/full/10.... #ConservationScience🌍
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Graham Appleton @wadertales.bsky.social · 22/02/2025
Dunlin is the biggest loser in Southern Lowlands of Iceland. Breeding numbers down 60% in eleven years. Blog: wadertales.wordpress.com/2025/02/20/i... Paper (Aldís Pálsdóttir et al): www.tandfonline.com/doi/full/10.... THREAD #ornithology
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Graham Appleton @wadertales.bsky.social · 20/02/2025
All is not well in the Southern Lowlands of Iceland - one of the most important wader breeding areas in Europe. WaderTales blog: wadertales.wordpress.com/2025/02/20/i... Paper by Aldís Pálsdóttir et al in 'Bird Study': www.tandfonline.com/doi/full/10.... #ornithology
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Tómas G. Gunnarsson @tomasgunnarsson.bsky.social · 19/02/2025
Spooky news just before spring migration.
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Graham Appleton @wadertales.bsky.social · 09/02/2025
"Serenade of a Whimbrel" Also available as a blog: wadertales.wordpress.com/2025/02/06/t...
wadertales.wordpress.com
The call of the Whimbrel
The seven-note whistle of the Whimbrel is a classic sound, welcomed by Icelanders at the end of a long, dark winter. These wonderful waders are responding badly to recent changes to Iceland’s lands…
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Tómas G. Gunnarsson @tomasgunnarsson.bsky.social · 17/02/2025
New paper on population changes in common waders and passerines in Iceland's largest breeding area. Most populations are declining fast. www.tandfonline.com/doi/full/10....
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Graham Appleton @wadertales.bsky.social · 10/01/2025
Following Black-tailed Godwits with rings, colour-rings and tracking. New paper in @jappliedecology.bsky.social by @amigodeaves.bsky.social et al, summarised in WaderTales blog. wadertales.wordpress.com/2025/01/09/h... #ConservationScience🌏 Paper: besjournals.onlinelibrary.wiley.com/doi/epdf/10....
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Martin Beal @amigodeaves.bsky.social · 09/01/2025
New paper! @jappliedecology.bsky.social bit.ly/3C5gYJp We mapped out the migrations of over 10K ind ⚫-tailed godwits (!) to characterize connectivity between sites in Europe and Africa. We compiled tracking data, ring recoveries and resightings: >400K records in total! (1/5)
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Graham Appleton @wadertales.bsky.social · 09/12/2024
Latest WaderTales blog focuses on the newly red-listed Broad-billed Sandpiper. It lists all 16 waders/shorebirds that had their conservation status revised in the wrong direction: wadertales.wordpress.com/2024/12/08/b... #ornithology
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Graham Appleton @wadertales.bsky.social · 04/12/2024
Did you see paper in @ibisjournal.bsky.social about using Audiomoth sound recorders to survey breeding waders? Summary just published as WaderTales blog: wadertales.wordpress.com/2024/12/04/c... #ornithology
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William (Bill) Sutherland @billsutherland.bsky.social · 28/11/2024
Here’s the playlist for the 42 ecological and conservation concept videos. Perfect for falling asleep at night. Enjoy! youtube.com/playlist?lis...
youtube.com
Concepts in ecology and conservation - YouTube
Fundamental concepts that help understand the natural world and how to conserve it.
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Graham Appleton @wadertales.bsky.social · 29/11/2024
Does head-starting deliver for Black-tailed Godwits and can it deliver for Curlew? wadertales.wordpress.com/2024/09/26/h... Paper by @lyndadonaldson.bsky.social et al #UKbirding
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Graham Appleton @wadertales.bsky.social · 29/11/2024
More green energy ✅ But collecting the energy requires new transmission lines and they can be bad news for breeding waders/shorebirds. Research from Iceland: wadertales.wordpress.com/2022/06/09/p... #conservationscience🌍
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Graham Appleton @wadertales.bsky.social · 29/11/2024
We were recently asked how volcanic eruptions affect Iceland's birds. Long-term gain. Short-term pain. #ornithology Positive effect on waders: wadertales.wordpress.com/2015/09/28/t... Negative effect on waders: wadertales.wordpress.com/2016/12/20/b...
wadertales.wordpress.com
How volcanic eruptions help waders
Areas of Iceland that have experienced high volcanic ash deposition can accommodate up to three times as many breeding waders. When Tómas Gunarsson began his PhD at the University of East Anglia on…
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