Tómas G. Gunnarsson
@tomasgunnarsson.bsky.social
Animal ecologist at the University of Iceland. Migratory birds, waders/shorebirds, conservation.
#ornithology #waders #shorebirds
#ornithology #waders #shorebirds
Reposted by Tómas G. Gunnarsson
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 👇
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 👇
November 5, 2025 at 7:22 AM
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 👇
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 👇
Reposted by Tómas G. Gunnarsson
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
Black-tailed Godwit blog from 12 Sep 2024 🎂
wadertales.wordpress.com/2024/09/12/j...
Paper by @tomasgunnarsson.bsky.social et al
#ornithology
September 12, 2025 at 6:09 AM
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
Black-tailed Godwit blog from 12 Sep 2024 🎂
wadertales.wordpress.com/2024/09/12/j...
Paper by @tomasgunnarsson.bsky.social et al
#ornithology
Reposted by Tómas G. Gunnarsson
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🌍
wadertales.wordpress.com/2025/08/27/i...
New WaderTales blog - Number 150 🥳
Paper by Verónica Méndez et al
#ConservationScience🌍
August 27, 2025 at 12:07 PM
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🌍
wadertales.wordpress.com/2025/08/27/i...
New WaderTales blog - Number 150 🥳
Paper by Verónica Méndez et al
#ConservationScience🌍
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🌍
nsojournals.onlinelibrary.wiley.com/doi/10.1002/...
@wildlifebiology.bsky.social
#ornithology #waders #shorebirds #ConservationScience🌍
August 12, 2025 at 9:02 PM
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🌍
nsojournals.onlinelibrary.wiley.com/doi/10.1002/...
@wildlifebiology.bsky.social
#ornithology #waders #shorebirds #ConservationScience🌍
Reposted by Tómas G. Gunnarsson
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
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
June 1, 2025 at 7:09 PM
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
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
Spot the golden plover nest - is a good game.
May 29, 2025 at 8:43 AM
Spot the golden plover nest - is a good game.
Phalaropes are wonderfully tame.
#ornithology
#ornithology
May 18, 2025 at 9:05 PM
Phalaropes are wonderfully tame.
#ornithology
#ornithology
Reposted by Tómas G. Gunnarsson
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🌍
Blog:
wadertales.wordpress.com/2025/02/20/i...
Paper:
www.tandfonline.com/doi/full/10....
#ConservationScience🌍
February 21, 2025 at 8:22 AM
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🌍
Blog:
wadertales.wordpress.com/2025/02/20/i...
Paper:
www.tandfonline.com/doi/full/10....
#ConservationScience🌍
Reposted by Tómas G. Gunnarsson
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
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
February 22, 2025 at 6:56 AM
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
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
Reposted by Tómas G. Gunnarsson
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
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
February 20, 2025 at 6:21 PM
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
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
Spooky news just before spring migration.
Starting to hear reports of Avian Influenza hitting Whooper Swans. Please report all sightings of dead birds for possible testing. In 🏴, 🏴 & 🏴 contact DefraGovUK, in N Ireland Daera & in Republic of Ireland Dept of agriculture. Please also report to @birdtrack.bsky.social for monitoring
February 19, 2025 at 6:12 PM
Spooky news just before spring migration.
Reposted by Tómas G. Gunnarsson
February 9, 2025 at 6:39 AM
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....
www.tandfonline.com/doi/full/10....
February 17, 2025 at 4:02 PM
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....
www.tandfonline.com/doi/full/10....
Reposted by Tómas G. Gunnarsson
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....
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....
January 10, 2025 at 6:50 AM
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....
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....
Reposted by Tómas G. Gunnarsson
New paper! @jappliedecology.bsky.social
https://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)
https://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)
January 9, 2025 at 9:24 AM
New paper! @jappliedecology.bsky.social
https://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)
https://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)
Reposted by Tómas G. Gunnarsson
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
It lists all 16 waders/shorebirds that had their conservation status revised in the wrong direction:
wadertales.wordpress.com/2024/12/08/b...
#ornithology
December 9, 2024 at 6:20 AM
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
It lists all 16 waders/shorebirds that had their conservation status revised in the wrong direction:
wadertales.wordpress.com/2024/12/08/b...
#ornithology
Reposted by Tómas G. Gunnarsson
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
Summary just published as WaderTales blog:
wadertales.wordpress.com/2024/12/04/c...
#ornithology
December 4, 2024 at 5:40 PM
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
Summary just published as WaderTales blog:
wadertales.wordpress.com/2024/12/04/c...
#ornithology
Reposted by Tómas G. Gunnarsson
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/playlist?lis...
Concepts in ecology and conservation - YouTube
Fundamental concepts that help understand the natural world and how to conserve it.
youtube.com
November 28, 2024 at 8:04 AM
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/playlist?lis...
Reposted by Tómas G. Gunnarsson
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
wadertales.wordpress.com/2024/09/26/h...
Paper by @lyndadonaldson.bsky.social et al
#UKbirding
November 29, 2024 at 7:23 PM
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
wadertales.wordpress.com/2024/09/26/h...
Paper by @lyndadonaldson.bsky.social et al
#UKbirding
Reposted by Tómas G. Gunnarsson
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🌍
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🌍
November 29, 2024 at 1:27 PM
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🌍
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🌍
Reposted by Tómas G. Gunnarsson
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...
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...
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…
wadertales.wordpress.com
November 29, 2024 at 7:58 AM
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...
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...