Jay Jinsing Falk
@jjinsing.bsky.social
(Terminated) NSF Postdoctoral Fellow | I study hummingbirds, evolution, sexual phenotypes, polymorphism, and color 💖 STRI Panama and CU Boulder. he/any
jayjinsing.github.io
jayjinsing.github.io
Reposted by Jay Jinsing Falk
"The project that was terminated was on this hummingbird, the white-necked jacobin....I suspect that it has something to do with studying a species that doesn’t fit the binary." Researcher @jjinsing.bsky.social interviewed by @carlzimmer.com #birds #nature #science #fundscience #nonbinary 🧪
He Studied Why Some Female Birds Look Like Males
www.nytimes.com
October 31, 2025 at 2:03 PM
"The project that was terminated was on this hummingbird, the white-necked jacobin....I suspect that it has something to do with studying a species that doesn’t fit the binary." Researcher @jjinsing.bsky.social interviewed by @carlzimmer.com #birds #nature #science #fundscience #nonbinary 🧪
Reposted by Jay Jinsing Falk
If anyone is interested in expanding my ongoing Paulinella projects and/or doing other work in algal genomics in my lab that doesn’t fully exist yet (but will exist at the time the funding for this starts), please reach out! I’d love to help develop a cool project with you!
Simons Postdoctoral Fellowships in Plant Biology
Simons Postdoctoral Fellowships in Plant Biology on Simons Foundation
www.simonsfoundation.org
October 13, 2025 at 7:34 PM
If anyone is interested in expanding my ongoing Paulinella projects and/or doing other work in algal genomics in my lab that doesn’t fully exist yet (but will exist at the time the funding for this starts), please reach out! I’d love to help develop a cool project with you!
Reposted by Jay Jinsing Falk
How do light and noise pollution impact selection on sexual signals?
We tested mate attraction and bat predation on túngara frogs in the field.
Full text: doi.org/10.1093/jeb/...
#evolutionarybiology
#animalbehavior
@eseb.bsky.social
@jevbio.bsky.social
Photo: Grant Maslowski
We tested mate attraction and bat predation on túngara frogs in the field.
Full text: doi.org/10.1093/jeb/...
#evolutionarybiology
#animalbehavior
@eseb.bsky.social
@jevbio.bsky.social
Photo: Grant Maslowski
September 8, 2025 at 6:33 PM
How do light and noise pollution impact selection on sexual signals?
We tested mate attraction and bat predation on túngara frogs in the field.
Full text: doi.org/10.1093/jeb/...
#evolutionarybiology
#animalbehavior
@eseb.bsky.social
@jevbio.bsky.social
Photo: Grant Maslowski
We tested mate attraction and bat predation on túngara frogs in the field.
Full text: doi.org/10.1093/jeb/...
#evolutionarybiology
#animalbehavior
@eseb.bsky.social
@jevbio.bsky.social
Photo: Grant Maslowski
Reposted by Jay Jinsing Falk
If you are a current PRFB fellow, we have a slack where all of this and more is discussed.
Current fellows, please send me a message and I can add you.
Current fellows, please send me a message and I can add you.
October 1, 2025 at 3:04 PM
If you are a current PRFB fellow, we have a slack where all of this and more is discussed.
Current fellows, please send me a message and I can add you.
Current fellows, please send me a message and I can add you.
Reposted by Jay Jinsing Falk
Excited to read this review paper by @juehlz.bsky.social and Jenn Houtz! nsojournals.onlinelibrary.wiley.com/doi/10.1002/...
Gut microbiome–diet interactions in wild birds
Birds show global declines, and understanding the relationship between avian diet and fitness can both answer basic questions in physiological ecology and inform conservation efforts. Diet-induced ch...
nsojournals.onlinelibrary.wiley.com
September 25, 2025 at 1:27 PM
Excited to read this review paper by @juehlz.bsky.social and Jenn Houtz! nsojournals.onlinelibrary.wiley.com/doi/10.1002/...
Reposted by Jay Jinsing Falk
The Dijkstra lab at CMU seeks PhD students for Fall 2026, funded by an NSF award, focusing on aggression in cichlid fish. Apply to Dr. Dijkstra by Oct. 20. More info: https://sites.google.com/site/peterdijkstrausnl/home #phd
DIJKSTRA LAB - Social behavior and physiology
Welcome to the Dijkstra lab at Central Michigan University! We study how social competition and oxidative stress shape brain function, stress resilience, and evolutionary processes. Using African cichlid fish (our primary model for studying social behavior), we combine behavioral, physiological,
sites.google.com
September 24, 2025 at 1:25 PM
The Dijkstra lab at CMU seeks PhD students for Fall 2026, funded by an NSF award, focusing on aggression in cichlid fish. Apply to Dr. Dijkstra by Oct. 20. More info: https://sites.google.com/site/peterdijkstrausnl/home #phd
Reposted by Jay Jinsing Falk
I am recruiting 1-2 graduate students (M.S. or Ph.D. track) to join my lab at @psychualberta.bsky.social in Fall 2026! Please share widely, and if you are interested in endocrinology, animal behavior, neuroscience, and/or seasonal biology, I would love to chat! 🐟🧠🧬🍂
September 19, 2025 at 9:28 PM
I am recruiting 1-2 graduate students (M.S. or Ph.D. track) to join my lab at @psychualberta.bsky.social in Fall 2026! Please share widely, and if you are interested in endocrinology, animal behavior, neuroscience, and/or seasonal biology, I would love to chat! 🐟🧠🧬🍂
Reposted by Jay Jinsing Falk
Buscando estudiantes para empezar en agosto de 2026. Estudiamos la evolución de las señales químicas de los insectos con biología evolutiva, ecología química, biología molecular, y estudios de comportamiento. Más información aquí: tinyurl.com/mrxchwfm
tinyurl.com
September 11, 2025 at 1:47 PM
Buscando estudiantes para empezar en agosto de 2026. Estudiamos la evolución de las señales químicas de los insectos con biología evolutiva, ecología química, biología molecular, y estudios de comportamiento. Más información aquí: tinyurl.com/mrxchwfm
Reposted by Jay Jinsing Falk
I'm looking for PhD students to join the lab starting August 2026. We study the evolution of insect chemical signals so if you're interested in evolutionary biology, chemical ecology, molecular biology, behavior, or genetics, this could be a good fit for you! More info here: tinyurl.com/mrxchwfm
September 11, 2025 at 1:45 PM
I'm looking for PhD students to join the lab starting August 2026. We study the evolution of insect chemical signals so if you're interested in evolutionary biology, chemical ecology, molecular biology, behavior, or genetics, this could be a good fit for you! More info here: tinyurl.com/mrxchwfm
Thank you Suvi and everyone in the environmental physiology lab @uniofjyvaskyla.bsky.social!! So incredibly warm, friendly, and inspiring! Cheers!
@jjinsing.bsky.social visiting our lab for collaboration and giving an amazing seminar on female sexual dimorphism !
September 14, 2025 at 10:50 AM
Thank you Suvi and everyone in the environmental physiology lab @uniofjyvaskyla.bsky.social!! So incredibly warm, friendly, and inspiring! Cheers!
Reposted by Jay Jinsing Falk
IOB
"...To test this hypothesis, we examined metabolic rates of morphs using flow-through respirometry to record CO2 output..."
Testing for Differences in #Metabolism Among Females and Dimorphic Males of Four Dung #Beetle Species
Killeffer et al
doi.org/10.1093/iob/...
#insects #bugs #dimorphism
"...To test this hypothesis, we examined metabolic rates of morphs using flow-through respirometry to record CO2 output..."
Testing for Differences in #Metabolism Among Females and Dimorphic Males of Four Dung #Beetle Species
Killeffer et al
doi.org/10.1093/iob/...
#insects #bugs #dimorphism
September 10, 2025 at 11:23 AM
IOB
"...To test this hypothesis, we examined metabolic rates of morphs using flow-through respirometry to record CO2 output..."
Testing for Differences in #Metabolism Among Females and Dimorphic Males of Four Dung #Beetle Species
Killeffer et al
doi.org/10.1093/iob/...
#insects #bugs #dimorphism
"...To test this hypothesis, we examined metabolic rates of morphs using flow-through respirometry to record CO2 output..."
Testing for Differences in #Metabolism Among Females and Dimorphic Males of Four Dung #Beetle Species
Killeffer et al
doi.org/10.1093/iob/...
#insects #bugs #dimorphism
Reposted by Jay Jinsing Falk
When we have so many painful and dangerous things to grapple with, it makes the joyful things that much more precious. Seek them out, save them, share them!
Here’s one I’m *really* excited about: www.okaybutbirds.com by the hilarious & charming @drscottataylor.bsky.social
Here’s one I’m *really* excited about: www.okaybutbirds.com by the hilarious & charming @drscottataylor.bsky.social
OKAY, BUT... BIRDS
www.okaybutbirds.com
August 31, 2025 at 4:17 PM
When we have so many painful and dangerous things to grapple with, it makes the joyful things that much more precious. Seek them out, save them, share them!
Here’s one I’m *really* excited about: www.okaybutbirds.com by the hilarious & charming @drscottataylor.bsky.social
Here’s one I’m *really* excited about: www.okaybutbirds.com by the hilarious & charming @drscottataylor.bsky.social
Reposted by Jay Jinsing Falk
@lannhiphung.bsky.social studies the link between genomic history and sexual selection in bowerbirds, an iconic example of sexual signaling through both behavioral and physical attributes. There are at least 36 genes under different levels of selection pressure in one or multiple clades! #AOS25
August 13, 2025 at 3:57 PM
@lannhiphung.bsky.social studies the link between genomic history and sexual selection in bowerbirds, an iconic example of sexual signaling through both behavioral and physical attributes. There are at least 36 genes under different levels of selection pressure in one or multiple clades! #AOS25
Reposted by Jay Jinsing Falk
Skipping live-scicomming the next session because I’m in it! If you’re at #AOS25 come see me talk about a weird bird and it’s cool genome at 4:45 in Genomics 3 (Ballroom A). (Or email me any time!)
August 14, 2025 at 7:59 PM
Skipping live-scicomming the next session because I’m in it! If you’re at #AOS25 come see me talk about a weird bird and it’s cool genome at 4:45 in Genomics 3 (Ballroom A). (Or email me any time!)
Reposted by Jay Jinsing Falk
Scott Taylor, on behalf of @jjinsing.bsky.social, tells the story of a potential instance of caterpillar mimicry in the White-necked Jacobin. The fuzzy baby hummingbird uses the unusually wiggles in the nest, mimicking local caterpillars & potentially helping to avoid some predation! #AOS25
August 14, 2025 at 4:10 PM
Scott Taylor, on behalf of @jjinsing.bsky.social, tells the story of a potential instance of caterpillar mimicry in the White-necked Jacobin. The fuzzy baby hummingbird uses the unusually wiggles in the nest, mimicking local caterpillars & potentially helping to avoid some predation! #AOS25
Reposted by Jay Jinsing Falk
I am opening scientific illustration commissions! Below are some examples of my work. Please contact me via bfitzwater@crimson.ua.edu if you are interested!
August 7, 2025 at 4:32 PM
I am opening scientific illustration commissions! Below are some examples of my work. Please contact me via bfitzwater@crimson.ua.edu if you are interested!
Reposted by Jay Jinsing Falk
Do birds tune their songs to their hearing?
Is there tight coevolution between avian vocal signals and hearing-or do signallers and perceivers evolve more loosely?
It turns out perfect tuning is not required...
Preprint: www.biorxiv.org/content/10.1...
#bioacoustics
#prattle 💬
#ornithology 🪶
Is there tight coevolution between avian vocal signals and hearing-or do signallers and perceivers evolve more loosely?
It turns out perfect tuning is not required...
Preprint: www.biorxiv.org/content/10.1...
#bioacoustics
#prattle 💬
#ornithology 🪶
August 2, 2025 at 2:17 AM
Do birds tune their songs to their hearing?
Is there tight coevolution between avian vocal signals and hearing-or do signallers and perceivers evolve more loosely?
It turns out perfect tuning is not required...
Preprint: www.biorxiv.org/content/10.1...
#bioacoustics
#prattle 💬
#ornithology 🪶
Is there tight coevolution between avian vocal signals and hearing-or do signallers and perceivers evolve more loosely?
It turns out perfect tuning is not required...
Preprint: www.biorxiv.org/content/10.1...
#bioacoustics
#prattle 💬
#ornithology 🪶
Reposted by Jay Jinsing Falk
🧵Open submissions call! I recently took on a new position as Associate Editor of Creative Nonfiction at ISLE: Interdisciplinary Studies in Literature and Environment. If you have work that intersects people+nature in some significant way, I want to see it! Read on for submissions criteria...
August 4, 2025 at 7:49 PM
🧵Open submissions call! I recently took on a new position as Associate Editor of Creative Nonfiction at ISLE: Interdisciplinary Studies in Literature and Environment. If you have work that intersects people+nature in some significant way, I want to see it! Read on for submissions criteria...
Reposted by Jay Jinsing Falk
Stand up for science. Stand up as if our lives and our economy depend on it. Because, actually, they do. #standupforscience
Congress says they have our back...let's hold them to their word!
All gas, no breaks this August with the 31 Days of Action campaign.
Sign up for our daily action notes here: act.standupforscience.net/forms/31-day...
All gas, no breaks this August with the 31 Days of Action campaign.
Sign up for our daily action notes here: act.standupforscience.net/forms/31-day...
August 4, 2025 at 11:50 AM
Stand up for science. Stand up as if our lives and our economy depend on it. Because, actually, they do. #standupforscience
Reposted by Jay Jinsing Falk
We share your excitement @jacanamama.bsky.social 🙌thanks for spreading the word & thanks for being part of SICB Portland.
August 1, 2025 at 12:30 AM
We share your excitement @jacanamama.bsky.social 🙌thanks for spreading the word & thanks for being part of SICB Portland.
Reposted by Jay Jinsing Falk
Also! Want to be a part of this broader community, but don't know if your presentation fits the theme? Maybe you'd like to submit a paper to the associated ICB special issue?
Please get in touch! We are Karen Warkentin, @aramaticasper.bsky.social, and me :)
Please get in touch! We are Karen Warkentin, @aramaticasper.bsky.social, and me :)
July 28, 2025 at 6:40 PM
Also! Want to be a part of this broader community, but don't know if your presentation fits the theme? Maybe you'd like to submit a paper to the associated ICB special issue?
Please get in touch! We are Karen Warkentin, @aramaticasper.bsky.social, and me :)
Please get in touch! We are Karen Warkentin, @aramaticasper.bsky.social, and me :)
Reposted by Jay Jinsing Falk
I'm SOOOO EXCITED for this Sex(es) Across Origins Symposium at #SICB2026!!!! I just submitted an abstract for the complementary session (on bird plumage and social selection with @gamaevo.bsky.social), and I hope you consider applying, too! @sicb.bsky.social @sicbjournals.bsky.social
Hey SICB 2026 @sicb.bsky.social! Don't forget about the Sex(es) Across Origins Symposium 🍄🦠🐌🌽
If you'd like to give a talk or poster session or poster session in our ✨complementary sessions✨, make sure to specify that in your abstract submission when you submit! (deadline, Aug 27)
If you'd like to give a talk or poster session or poster session in our ✨complementary sessions✨, make sure to specify that in your abstract submission when you submit! (deadline, Aug 27)
July 31, 2025 at 8:33 PM
I'm SOOOO EXCITED for this Sex(es) Across Origins Symposium at #SICB2026!!!! I just submitted an abstract for the complementary session (on bird plumage and social selection with @gamaevo.bsky.social), and I hope you consider applying, too! @sicb.bsky.social @sicbjournals.bsky.social
Reposted by Jay Jinsing Falk
Not to state the obvious, but some birds fly better than others. The ones that are awesome at flying -- this means they can get around obstacles, right? Expand their ranges as needed? Maybe be a little less vulnerable to extinction?
Turns out it's SUPER complicated.
www.cell.com/current-biol...
Turns out it's SUPER complicated.
www.cell.com/current-biol...
A new time tree of birds reveals the interplay between dispersal, geographic range size, and diversification
Flight may affect the dispersal and evolution of birds. Using a new evolutionary tree,
Claramunt et al. find that efficient fliers have broader geographic ranges, and speciation
reduces range size, bu...
www.cell.com
July 30, 2025 at 4:01 PM
Not to state the obvious, but some birds fly better than others. The ones that are awesome at flying -- this means they can get around obstacles, right? Expand their ranges as needed? Maybe be a little less vulnerable to extinction?
Turns out it's SUPER complicated.
www.cell.com/current-biol...
Turns out it's SUPER complicated.
www.cell.com/current-biol...
Hey SICB 2026 @sicb.bsky.social! Don't forget about the Sex(es) Across Origins Symposium 🍄🦠🐌🌽
If you'd like to give a talk or poster session or poster session in our ✨complementary sessions✨, make sure to specify that in your abstract submission when you submit! (deadline, Aug 27)
If you'd like to give a talk or poster session or poster session in our ✨complementary sessions✨, make sure to specify that in your abstract submission when you submit! (deadline, Aug 27)
July 28, 2025 at 6:40 PM
Hey SICB 2026 @sicb.bsky.social! Don't forget about the Sex(es) Across Origins Symposium 🍄🦠🐌🌽
If you'd like to give a talk or poster session or poster session in our ✨complementary sessions✨, make sure to specify that in your abstract submission when you submit! (deadline, Aug 27)
If you'd like to give a talk or poster session or poster session in our ✨complementary sessions✨, make sure to specify that in your abstract submission when you submit! (deadline, Aug 27)
Reposted by Jay Jinsing Falk
I will be presenting research on how the abundance of mimics and models affect the social performance and competitiveness of these groups. If you're keen on behavior and geospatial data this might be of particular interest. That is happening tomorrow, Thursday (07/10) at 10:45 AM in Chesapeake B.
July 9, 2025 at 5:38 PM
I will be presenting research on how the abundance of mimics and models affect the social performance and competitiveness of these groups. If you're keen on behavior and geospatial data this might be of particular interest. That is happening tomorrow, Thursday (07/10) at 10:45 AM in Chesapeake B.