Thiemo Karwinkel
@thiemokarwinkel.bsky.social
76 followers 120 following 10 posts
Ornithologist by heart 🦅🦜🦆🐦‍⬛🦩🦉💚 PostDoc at Uni Oldenburg, Germany studying bird migration 🌍🔭🪽🐦
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thiemokarwinkel.bsky.social
This paper is part 2 of my "magnetic pulse trilogy"

Part 1: www.doi.org/10.1098/rsif...

for the most interesting 3rd Part see: doi.org/10.1098/rsif...

for some ecological insights into the magnetic sense for songbird migration Ecology see our dedicated review paper: doi.org/10.1111/brv....
thiemokarwinkel.bsky.social
Possible explanations for this finding are so extensive, that they would notfit into a bluesky post, so see the discussion of the paper itself: doi.org/10.1242/jeb....
thiemokarwinkel.bsky.social
(iv) the change in direction within the first 50-100 km. --> no bird group changed flight direction significantly
thiemokarwinkel.bsky.social
(iii) the direction in which the birds departed (in the first 5-20 km). This was a factor where former studies found differences after pulse treatment --> but here: no effect
thiemokarwinkel.bsky.social
(ii) the time within the night, when the bird depart and resume migration --> no significant difference.
thiemokarwinkel.bsky.social
We observed different stopover decisions using the #motus wildlife tracking system. [Blue is always the control group, red the group of birds, who recieved the magnetic pulse]:

(i) the probability of the bird resuming migration in the first night after the treatment --> no significant difference!
thiemokarwinkel.bsky.social
We tried to influence the proposed magnetic-particle based magnetoreceptor of migratory European Robins on Stopover on Helgoland by a short but strong magnetic pulse. According to current hypotheses this should disturb the magnetic map of the birds and should lead to altered migratory behaviour
thiemokarwinkel.bsky.social
3rd anniversary of this paper: Karwinkel et al. 2022 "A magnetic pulse does not affect free-flight navigation behaviour of a medium-distance songbird migrant in spring" in JEB, where we tried to reproduce old studies on magnetoreception, but found no effects. A thread:
doi.org/10.1242/jeb....
thiemokarwinkel.bsky.social
See the thread about our new Stopover ecology paper from helgoland:
migecol.bsky.social
NEW PUBLICATION on stopover ecology of Songbirds during spring migration: After packmor et al. 2020 (Mov Ecol) found that trans-Saharan migrants react differently to weather for migratory departure, we aked ourselves, whether this is also valid for spring migration? 🐦
a thread 🧵 on 7 hypotheses:
the 5 study species: Dunnock, Northern Wheatear, European Robin, Common Redstart, Garden Warbler
Reposted by Thiemo Karwinkel
sfb1372.bsky.social
Spread the word: we're #hiring! We have an open #research fellowship position for #postdocs with their own research idea: It includes an own budget, a #PhD student position and the possibility to conduct independent research on animal #navigation and/or #magnetoreception 🧭🦤🦇🐟⚛️🧪👩‍🔬! sfb1372.de/jobs
thiemokarwinkel.bsky.social
Today it is already 2 years ago, that I recieved the honor to call myself "Dr. rer. nat." thanks to @migecol.bsky.social and @ifv-whv.bsky.social for making this possible!
Reposted by Thiemo Karwinkel
migecol.bsky.social
Today is the 1-year-anniversary of our extensive Review-Paper: "A conceptual framework on the role of magnetic cues in songbird migration ecology" doi.org/10.1111/brv....

- it is a must-read, when you work with magnetoreception and birds!
Reposted by Thiemo Karwinkel
migecol.bsky.social
new publication by our team member @thiemokarwinkel.bsky.social about the multi-year and multi site tracking of long-tailed ducks (Clangula hyemalis) from the Arctic to the Baltic Sea. @ifv-whv.bsky.social read here open access: onlinelibrary.wiley.com/doi/10.1002/...
Reposted by Thiemo Karwinkel
migecol.bsky.social
In a new article, we summarise the opportunities of the #Motus Wildlife Tracking System from a European perspective. This #tracking method offers a wide range of opportunities for research of small migratory birds, bats and insects: conbio.onlinelibrary.wiley.com/doi/full/10....
Reposted by Thiemo Karwinkel
migecol.bsky.social
You wonder what is our research about? See this word cloud, we collected, about our perspective of scientific fields and topics.
Reposted by Thiemo Karwinkel
migecol.bsky.social
Meet @thiemokarwinkel.bsky.social!

After PhD on ecological role of #magnetoreception in #songbirds, he continued researching offshore songbird migration using #Motus tracking

His research theme:
From Patterns & Pathways to Protection: Understanding mechanisms of #birdmigration for #conservation
Thiemo Karwinkel with a Motus antenna
Reposted by Thiemo Karwinkel
Reposted by Thiemo Karwinkel
Reposted by Thiemo Karwinkel
consbiogoe.bsky.social
New project! Ever wondered about shifting #baselines in #conservation? Thought about quantifying historical biodiversity losses? We launched a nationwide #resurvey of historical bird surveys in Germany. Together with www.dda-web.de, we have...
Reposted by Thiemo Karwinkel
eounion.bsky.social
EOU2025 conference abstract submission is open! Submit your abstract at the following link: cutt.ly/Ke9YyeWB and check the conference website for updates: cutt.ly/Te9Yo2G4 We look forward to seeing you in Bangor, Wales 18-22 August 2025 #ornithology #EOU2025