Santiago Claramunt
@sclaramunt.bsky.social
📤 322
📥 232
📝 15
Studying the macro eco-evolutionary dynamics of birds.
https://claramuntlab.org
Our synthesis on patterns of bird diversity and diversification dynamics in South America is available online:
books.google.com/books?id=lyi...
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New Perspectives in Ornithology
People have been long-fascinated with birds, and their scientific study has been central to advances in evolution, animal behavior, biogeography, population dynamics, and community ecology. Research q...
https://books.google.com/books?id=lyiUEQAAQBAJ&newbks=0&printsec=frontcover&pg=PA190&dq=info:TNbzITIh3fAJ:scholar.google.com&hl=en&source=newbks_fb#v=onepage&q&f=false
about 20 hours ago
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Santiago Claramunt
Lukas Musher
1 day ago
Our paper on tinamou evolution is finally out in
@systbiol.bsky.social
.
academic.oup.com/sysbio/advan...
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Santiago Claramunt
Sebastian Schreiber
10 days ago
Yes - isometric scaling as a way to understand the benefits and costs of being small versus large. Haldane's Harpers article from 1926 is an amazing example of popular science writing.
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Santiago Claramunt
Szymek Drobniak
30 days ago
Continuing our series on difficult comparative models - and how to address them properly - we’re happy to showcase another study, this time in
@jevbio.bsky.social
academic.oup.com/jeb/advance-...
We will guide you through a series of increasingly complex models, from binary, through ordered to
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Promoting the use of phylogenetic multinomial generalised mixed-effects model to understand the evolution of discrete traits
Abstract. Phylogenetic comparative methods (PCMs) are fundamental tools for understanding trait evolution across species. While linear models are widely us
https://academic.oup.com/jeb/advance-article/doi/10.1093/jeb/voaf116/8276732
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Santiago Claramunt
Brian J. Enquist
about 1 month ago
This looks to be a fundamental theoretical advance by
@jpodwyer.bsky.social
et al. Using linkage disequlibrium-based Ne to back out σ² and then predict fluctuation sizes from a single temporal snapshot is a real advance for broad application 🧪🌐https://www.science.org/doi/10.1126/science.adu6396
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Genomic demography predicts community dynamics in a temperate montane forest
Species population sizes fluctuate over time, and these temporal dynamics play a key role in governing the maintenance of biodiversity. Although modeling approaches have been developed to characterize...
https://www.science.org/doi/10.1126/science.adu6396
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Santiago Claramunt
Alex Tomlinson
20 days ago
Juncos and ginkgos! 🐦 🍂
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Santiago Claramunt
ignacio quintero
24 days ago
Excited to share our new paper where we find that the rise, decline and fall of clades is not explained by the usual suspects (diversity-dependence, ecological opportunities) but rather by species' insidious loss of macroevolutionary fitness:
www.nature.com/articles/s41...
1/3
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Loss of macroevolutionary species fitness explains the rise and fall of clades - Nature Ecology & Evolution
The interplay between speciation and extinction rates shapes clade diversity dynamics. Using a novel phylogenetic model that includes living and fossil lineages, the authors estimate speciation and ex...
https://www.nature.com/articles/s41559-025-02873-7
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Santiago Claramunt
Ryo Yamaguchi
26 days ago
New review out! With students in my lab, we explore how population size shapes speciation—from drift in small populations to selection in large ones. Do small or large populations speciate faster? The answer is more nuanced than you might think.
esj-journals.onlinelibrary.wiley.com/doi/full/10....
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Speciation Through the Lens of Population Dynamics: A Theoretical Primer on How Small and Large Populations Diverge
Population size and dynamics fundamentally shape speciation by influencing genetic drift, founder events, and adaptive potential. Small populations may speciate rapidly due to stronger drift, whereas...
https://esj-journals.onlinelibrary.wiley.com/doi/full/10.1002/1438-390X.70008
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Santiago Claramunt
BOU
28 days ago
Linking habitat preferences and fitness across scales for a relict bird species of the southern Andes |
www.nature.com/artic...
| Scientific Reports |
#ornithology
🪶
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Santiago Claramunt
Ben Sheldon
28 days ago
Large citizen science datasets are powerful tools for biodiversity science, but they may have biases. Nice new paper from
@louisbackstrom.bsky.social
et al. showing that for eBird and Birdtrack lists there is a tendency for rare species to be over-represented
onlinelibrary.wiley.com/doi/epdf/10....
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Santiago Claramunt
Jeremy M. Brown
about 1 month ago
Ok, we're down to the last 10 (!) spots available to register for
#SSB2026
in Baton Rouge in January. Who's in?
ssb2026.github.io
@systbiol.bsky.social
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reposted by
Santiago Claramunt
Matthew Hahn
about 1 month ago
The most important paper in evolutionary biology I'd never heard of: 1/
www.sciencedirect.com/science/arti...
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Santiago Claramunt
Jocelyn Anderson Photography
about 1 month ago
A Pileated Woodpecker passing by overhead.
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Santiago Claramunt
Current Biology
about 1 month ago
Sad news: Jane Goodall has died. She did more than any other human for our understanding and appreciation of our closest relatives, the chimpanzees. That chimpanzees are Endangered tells you everything about our species and about what made her so exceptional.
www.nytimes.com/2025/10/01/o...
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Jane Goodall, Eminent Primatologist Who Chronicled the Lives of Chimps, Dies at 91
https://www.nytimes.com/2025/10/01/obituaries/jane-goodall-dead.html?unlocked_article_code=1.qE8.uhQ3.RD92BtqgJsHG&smid=nytcore-android-share
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Santiago Claramunt
Dr. Jessica L Ware
about 1 month ago
Join us! We are hiring a new
#curator
at the
#AMNH
in
#Vertebrate
#Zoology
careers.amnh.org/postings/4600
#academicjobs
#tenuretrack
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Assistant Curator, Vertebrate Zoology
The Division of Vertebrate Zoology at the American Museum of Natural History (AMNH) seeks an Assistant Curator in either the Department of Ornithology, Ichthyology, or Mammalogy to start on or after J...
https://careers.amnh.org/postings/4600
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Santiago Claramunt
Evolution Meetings
about 2 months ago
1 week left to get your image in for Evolution 2026 logo contest!
www.evolutionmeetings.org/2026-logo-co...
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Santiago Claramunt
The Society of Systematic Biologists
about 2 months ago
Due Monday - don’t hesitate!
add a skeleton here at some point
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Santiago Claramunt
Wilson Ornithological Society
about 2 months ago
The ever more detailed data coming from bird tracking devices is letting researcher gauge whether migrating birds are threatened by offshore wind development.
#ornithology
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Scientists Can Now Track How High Songbirds Fly Over the Ocean—a Potential Lifesaver
Researchers are gathering new insights that improve migration science and may help make offshore wind energy more friendly to small birds with big treks.
https://www.audubon.org/magazine/scientists-can-now-track-how-high-songbirds-fly-over-ocean-potential-lifesaver
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Santiago Claramunt
Thomas R. Holtz, Jr.
about 2 months ago
How many mammal species are there now? Updates and trends in taxonomic, nomenclatural, and geographic knowledge url:
academic.oup.com/jmammal/arti...
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How many mammal species are there now? Updates and trends in taxonomic, nomenclatural, and geographic knowledge
The Mammal Diversity Database 2.0, listing 6,759 mammal species and 50,230 species-level synonyms, unifies 267 yr of taxonomic, nomenclatural, and geograph
https://academic.oup.com/jmammal/article/doi/10.1093/jmammal/gyaf047/8253815
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Santiago Claramunt
Extreme Temperatures Around the World
about 2 months ago
SOUTH AMERICA HEAT WAVE Brutally hot night in PARAGUAY🇵🇾: Minimums up to 28.6C, but next night is the goat.. and can be the hottest September night in all Hemisphere history ! In ARGENTINA🇦🇷 Monthly record broken at Oran with 42.3C Tomorrow will be historic
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Santiago Claramunt
Joanna Masel
about 2 months ago
Our new paper
@asn-amnat.bsky.social
develops a Grand Unified Theory including both exploitative and interference competition
doi.org/10.1086/737628
. The R* rule of ecology (that 2 species cannot coexist on a single resource), is widely broken, including via a new trade-off we describe. 1/9
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A Mechanistically Integrated Model of Exploitative and Interference Competition over a Single Resource Produces Widespread Coexistence | The American Naturalist
Abstract Many ecological models treat exploitative competition in isolation from interference competition. Corresponding theory centers around the R* rule, according to which consumers that share a si...
https://doi.org/10.1086/737628
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Santiago Claramunt
Royal Society Publishing
3 months ago
New from
#BiologyLetters
: Combining fossil taxa with and without morphological data improves dated phylogenetic analyses
buff.ly/abJm5Zv
|
#Evolution
#Palaeontology
#Taxonomy
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Santiago Claramunt
Marie Monniaux
about 2 months ago
Check out this cool work from
@crouxevo.bsky.social
and others, congrats!!! 🥳 Rapid establishment of species barriers in plants compared with that in animals | Science
www.science.org/doi/10.1126/...
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Rapid establishment of species barriers in plants compared with that in animals
Speciation, the process by which new reproductively isolated species emerge from ancestral populations, results from the gradual accumulation of barriers to gene flow within genomes. To date, the noti...
https://www.science.org/doi/10.1126/science.adl2356
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Santiago Claramunt
BOU
about 2 months ago
An Intergeneric Hybrid Between Historically Isolated Temperate and Tropical Jays Following Recent Range Expansion |
doi.org/10.1002/ece3...
| Ecology and Evolution |
#ornithology
🪶
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Santiago Claramunt
Patrick McKenzie
about 2 months ago
super excited to share this big project with
@daeaton.bsky.social
out now in Systematic Biology! We derived distributions for -- given an arbitrary species tree model -- how far you have to move along a genome before observing a change in the underlying genealogy:
doi.org/10.1093/sysb...
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Estimating waiting distances between genealogy changes under a Multi-Species Extension of the Sequentially Markov Coalescent
Abstract. Genomes are composed of a mosaic of segments inherited from different ancestors, each separated by past recombination events. Consequently, genea
https://doi.org/10.1093/sysbio/syaf059
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Santiago Claramunt
Josef Uyeda
6 months ago
Unsolicited listicle: My list of the most criminally underused/underappreciated phylogenetic comparative methods. Note, I am not involved in ANY of these methods; but I see them as things people are often asking of comparative data but have been surprised at how infrequently they have been cited.
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Excited to share our new paper on flight morphology and migration in North American wood warblers. Surprisingly, ground-dwelling warblers may be better adapted for migration than aerial ones!!!
link.springer.com/article/10.1...
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Morphological adaptations for migration in North American wood-warblers (Aves: Parulidae) - Journal of Ornithology
Migration exerts a selective pressure for increased flight efficiency and reduced energy expenditure in long-distance migratory birds. In North America, eastern migratory flyways are longer and requir...
https://link.springer.com/article/10.1007/s10336-025-02324-x
2 months ago
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Santiago Claramunt
Cody Limber
3 months ago
My feather cell type paper is finally out!
doi.org/10.1111/ede....
We’ve packed a ton of stuff into this paper but I’ll go through some highlights in this thread!
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Genetic Characterization of the Cell Types in Developing Feathers, and the Evolution of Feather Complexity
We used single cell sequencing to investigate the cell types of developing chicken feathers. From these data, we are able to describe the transcriptional profile of feather cell types, look at their ....
https://doi.org/10.1111/ede.70016
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reposted by
Santiago Claramunt
Alberta Claw
3 months ago
Ecomorphology of the bird lumbosacral organ:
onlinelibrary.wiley.com/doi/10.1002/...
🪶🧪 (📷Pelletan et al.)
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reposted by
Santiago Claramunt
Molecular Biology and Evolution
3 months ago
C. Zhang, R. Nielsen and S. Mirarab integrate all ASTRAL-like methods into a single package called ASTER, comprising several tools that collectively enhance the scalability, accuracy, and versatility of species tree inference. 🔗
doi.org/10.1093/molbev/msaf172
#evobio
#molbio
#compbio
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ASTER: A Package for Large-Scale Phylogenomic Reconstructions
Abstract. Many algorithms are available for inferring species trees from various input types while accounting for gene tree discordance. Several quartet-ba
https://doi.org/10.1093/molbev/msaf172
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Santiago Claramunt
Martin A. Nuñez
3 months ago
🚨Big news🚨 A Pocket Guide to Scientific Writing and Publishing is out🎉 This is the book I wish I’d had 20 years ago — short, practical, and designed to help researchers write & get their papers published I hope it helps many Please share with anyone who might benefit! 👉
mybook.to/ScienceGuide
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Santiago Claramunt
Jeremy M. Brown
3 months ago
Registration is now open for
#SSB2026
! I'm so excited to see many of you here in Baton Rouge in January! We're going to hear great talks, discuss the immeasurable value of natural history collections, and continue to strengthen our scientific community.
ssb2026.github.io
@systbiol.bsky.social
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Santiago Claramunt
BOU
3 months ago
Linking performance to powerhouse: mitochondrial aerobic metabolism in blood cells reflects flight endurance of house sparrows (Passer domesticus) |
royalsocietypublishi...
| Biology Letters |
#ornithology
🪶
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11
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reposted by
Santiago Claramunt
Gustavo A. Bravo
3 months ago
royalsocietypublishing.org/doi/10.1098/...
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Prevalence and implications of sex reversal in free-living birds | Biology Letters
The ability to unequivocally identify the sex and reproductive status of individuals is crucial across many fields of study. Recent evidence indicates that avian sex determination is more flexible tha...
https://royalsocietypublishing.org/doi/10.1098/rsbl.2025.0182
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Santiago Claramunt
W. P. Mueller
3 months ago
#ornithology
www.nature.com/articles/s41...
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Large reductions in tropical bird abundance attributable to heat extreme intensification - Nature Ecology & Evolution
Climate change poses a growing threat to biodiversity, but disentangling its overall impact from other anthropogenic stressors is challenging. Here the authors use a data-driven climate attribution fr...
https://www.nature.com/articles/s41559-025-02811-7
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Santiago Claramunt
Wilson Ornithological Society
3 months ago
A recent study of seabird collisions with human-made structures published in the WJO turned up over 400 such incidents, involving seabirds including pelicans, gulls, and even albatrosses.
#ornithology
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Guest Post – Anthropogenic Structures: Unseen Killers of Seabirds
Collisions with anthropogenic structures may pose an underappreciated threat to seabird populations.
https://wilsonsociety.org/2025/07/28/guest-post-anthropogenic-structures-unseen-killers-of-seabirds/
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Santiago Claramunt
Ecography
3 months ago
Shape-shifting in relative wing length of juvenile shorebirds: no evidence of developmental temperatures driving morphological changes
vist.ly/32exv
#BodyMass
#Morphology
#ShoreBirds
#WingLength
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Santiago Claramunt
Andrej Spiridonov
3 months ago
Exhilarating to see organismal agency in evolution at such a large scale! Organisms chose where to live and what to eat, and only after tens of thousands of generations and after much later speciation events the efficiency was achieved
www.science.org/doi/epdf/10....
🧪 ⚒️
#Geology
#Paleobio
#EvoBio
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Santiago Claramunt
3 months ago
Our new review on numerical cognition in birds, just out in Nature Reviews Psychology! 🐦🧠 Behavior, neurobiology & field studies across avian species Very fond of the neurobiology part :) 📖 Read it here:
rdcu.be/eyErI
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Numerical cognition in birds
Nature Reviews Psychology - Birds demonstrate complex numerical abilities at levels similar to primates. In this Review, Regolin and colleagues describe the contribution of laboratory, field and...
https://rdcu.be/eyErI
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Santiago Claramunt
American Naturalist / ASN 🐌
3 months ago
How Randomness Can Flip Evolution: New Study Uncovers Surprising Role of Population Noise Summary & Analysis by Tahirah Williams of “Eco-Evolutionary Dynamics for Finite Populations and the Noise-Induced Reversal of Selection” by Bhat et al.
www.amnat.org/an/newpapers...
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Santiago Claramunt
Gates Dupont
3 months ago
🚨 First PhD chapter is out! My work thus far, with
@andy2dobson.bsky.social
We found that formerly common species have declined the fastest, on average. 📄 North American bird declines are driven by reductions in common species | Science Advances
www.science.org/doi/10.1126/...
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North American bird declines are driven by reductions in common species
Declines in North American birds are driven not by rare species vanishing but by sharp losses among formerly common species.
https://www.science.org/doi/10.1126/sciadv.adw8971
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Santiago Claramunt
Joseph Tobias
3 months ago
🚨 The New Age of global bird phylogenies continues! Hot on the heels of the fantastic updated tree created by
@eliotmiller.bsky.social
and others, we use a different approach to generate a near-comprehensive timetree of >9000 bird species. 1/3
www.cell.com/current-biol...
🧪🌐🪶
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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...
https://www.cell.com/current-biology/fulltext/S0960-9822(25)00870-X
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Santiago Claramunt
Catherine Sheard
3 months ago
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...
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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...
https://www.cell.com/current-biology/fulltext/S0960-9822(25)00870-X
1
23
10
Happy to share our latest paper in which we use a new big phylogeny of birds to analyze the relationships between dispersal, geographic range size and diversification rates across all birds. See also post by @sheardcat.bsky.social and
@josephtobias.bsky.social
www.cell.com/current-biol...
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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...
https://www.cell.com/current-biology/fulltext/S0960-9822(25)00870-X
3 months ago
1
44
22
reposted by
Santiago Claramunt
BOU
3 months ago
Enlargement of sternum traits facilitated the evolution of powered flight in birds |
www.nature.com/artic...
| Nature Ecology and Evolution |
#ornithology
🪶
0
11
3
reposted by
Santiago Claramunt
Wilson Ornithological Society
3 months ago
There's a new guest post on the WOS blog! Riley Lawson describes the backstory of his recent paper in The Wilson Journal of
#Ornithology
, which documents the underappreciated threat that collisions with anthropogenic structures pose to
#seabirds
.
wilsonsociety.org/2025/07/28/g...
1
17
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reposted by
Santiago Claramunt
PuckerLab publications
4 months ago
Tracing the evolutionary and genetic footprints of atmospheric tillandsioids transition from land to air
doi.org/10.1038/s414...
#PlantGenomics
#Evolution
#Phylogenomics
#Tillandsioideae
#Bioinformatics
#Systematics
#BigData
#PlantSci
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Tracing the evolutionary and genetic footprints of atmospheric tillandsioids transition from land to air - Nature Communications
The mechanisms by which tillandsioids adapt to elevated aerial habitats remain largely unexplored. Here, the authors report their evolution and link life history, diversification, comparative genomic,...
https://doi.org/10.1038/s41467-024-53756-7
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reposted by
Santiago Claramunt
Luisa F. Pallares
4 months ago
Quedan tres semanas para aplicar al Taller Suraméricano de Biología Evolutiva en Uruguay (nov 23-29) Todos los gastos pagos para estudiantes, gracias a la financiación del
@sse-evolution.bsky.social
@eseb.bsky.social
@asn-amnat.bsky.social
#CienciaCriolla
Info aquí:
sites.google.com/view/evosur2...
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reposted by
Santiago Claramunt
Jente Ottenburghs | Avian Hybrids
4 months ago
Your daily Avian Hybrids story! A genetic model for punctuated equilibria
avianhybrids.wordpress.com/2020/01/23/a...
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A genetic model for puntuated equilibria
Using a combination of developmental genes and transposable elements to explain patterns in the fossil record.
https://avianhybrids.wordpress.com/2020/01/23/a-genetic-model-for-puntuated-equilibria/
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