David Tan
@mangrovepitta.bsky.social
Ornithologist and biogeographer. Working on the global macroecology of bird-window collisions and on the genetics of faunal adaptation to mangroves. Obsessed with pittas. Previously at the University of New Mexico, now a postdoc at iDiv in Leipzig.
Reposted by David Tan
Peregrine Falcon has declined by more than 50% in the Cairngorms NP during the past 20 years, according to the first park-wide survey of the species:
Cairngorms Peregrine population falls 56% in two decades
A new survey shows Peregrine Falcon has declined by 56% in Scotland's Cairngorms National Park since 2002, with poor breeding success linked to prey shortages, land management, wildlife crime and bird flu.
bit.ly
December 9, 2025 at 9:55 AM
Peregrine Falcon has declined by more than 50% in the Cairngorms NP during the past 20 years, according to the first park-wide survey of the species:
Reposted by David Tan
Want to work on biodiversity in the Alps? ⛰️
We are offering several internship positions for the upcoming spring and summer in collaboration with the Biodiversity Monitoring South Tyrol 🕷️🦋🦇🐜🌼🦗🪱
biodiversity.eurac.edu/interns-want...
We are offering several internship positions for the upcoming spring and summer in collaboration with the Biodiversity Monitoring South Tyrol 🕷️🦋🦇🐜🌼🦗🪱
biodiversity.eurac.edu/interns-want...
Interns wanted! - Biodiversity Monitoring South Tyrol
biodiversity.eurac.edu
December 9, 2025 at 8:30 AM
Want to work on biodiversity in the Alps? ⛰️
We are offering several internship positions for the upcoming spring and summer in collaboration with the Biodiversity Monitoring South Tyrol 🕷️🦋🦇🐜🌼🦗🪱
biodiversity.eurac.edu/interns-want...
We are offering several internship positions for the upcoming spring and summer in collaboration with the Biodiversity Monitoring South Tyrol 🕷️🦋🦇🐜🌼🦗🪱
biodiversity.eurac.edu/interns-want...
Reposted by David Tan
📣Please share: We are looking for a field assistant to join our team in studying #ruffs on coastal meadows at Botnian Bay in Finland. The job will provide fantastic insights into lekking behaviour and provide essential skills in field ornithology. Details here www.bi.mpg.de/2790786/2512...
December 8, 2025 at 4:25 PM
📣Please share: We are looking for a field assistant to join our team in studying #ruffs on coastal meadows at Botnian Bay in Finland. The job will provide fantastic insights into lekking behaviour and provide essential skills in field ornithology. Details here www.bi.mpg.de/2790786/2512...
Reposted by David Tan
Our infrastructure isn’t ready for what’s coming.
The Bay took over the highway during this morning's #KingTides in Marin.
December 5, 2025 at 12:13 AM
Our infrastructure isn’t ready for what’s coming.
Reposted by David Tan
The 'hobbits' mysteriously disappeared 50,000 years ago
About 50,000 years ago, Homo floresiensis, or hobbits, disappeared. New evidence suggests extreme drought may have contributed to the hobbits' disappearance.
#Hobbits #drought #Indonesia 🧪
phys.org/news/2025-12...
About 50,000 years ago, Homo floresiensis, or hobbits, disappeared. New evidence suggests extreme drought may have contributed to the hobbits' disappearance.
#Hobbits #drought #Indonesia 🧪
phys.org/news/2025-12...
The 'hobbits' mysteriously disappeared 50,000 years ago. Our new study reveals what happened to their home
About 50,000 years ago, humanity lost one of its last surviving hominin cousins, Homo floresiensis (also known as "the hobbit" thanks to its small stature). The cause of its disappearance, after more ...
phys.org
December 8, 2025 at 5:10 PM
The 'hobbits' mysteriously disappeared 50,000 years ago
About 50,000 years ago, Homo floresiensis, or hobbits, disappeared. New evidence suggests extreme drought may have contributed to the hobbits' disappearance.
#Hobbits #drought #Indonesia 🧪
phys.org/news/2025-12...
About 50,000 years ago, Homo floresiensis, or hobbits, disappeared. New evidence suggests extreme drought may have contributed to the hobbits' disappearance.
#Hobbits #drought #Indonesia 🧪
phys.org/news/2025-12...
Reposted by David Tan
Publication alert! ❗ Do predicted deleterious mutations reduce survival? In our latest paper lead by @rebeccachen.bsky.social published in @currentbiology.bsky.social, we compared mutation load across different age classes in black grouse.
December 8, 2025 at 12:16 PM
Publication alert! ❗ Do predicted deleterious mutations reduce survival? In our latest paper lead by @rebeccachen.bsky.social published in @currentbiology.bsky.social, we compared mutation load across different age classes in black grouse.
Reposted by David Tan
Japan warns of 3m high tsunami after magnitude 7.6 earthquake - https://www.channelnewsasia.com/east-asia/japan-earthquake-tsunami-misawa-sapporo-hokkaido-5568331
Japan warns of 3m high tsunami after magnitude 7.6 earthquake
The tsunami warning was issued for the prefectures of Hokkaido, Aomori and Iwate.
www.channelnewsasia.com
December 8, 2025 at 2:55 PM
Japan warns of 3m high tsunami after magnitude 7.6 earthquake - https://www.channelnewsasia.com/east-asia/japan-earthquake-tsunami-misawa-sapporo-hokkaido-5568331
Reposted by David Tan
Civilians evacuated amid fresh Thai-Cambodia clashes - https://www.channelnewsasia.com/asia/thai-cambodia-airstrikes-clashes-live-5567396
Civilians evacuated amid fresh Thai-Cambodia clashes
Thailand launched airstrikes along the disputed border with Cambodia on Monday (Dec 8) as both sides accused the other of breaching a ceasefire.
www.channelnewsasia.com
December 8, 2025 at 5:55 AM
Civilians evacuated amid fresh Thai-Cambodia clashes - https://www.channelnewsasia.com/asia/thai-cambodia-airstrikes-clashes-live-5567396
Reposted by David Tan
Still very much a beta, but I made an #rstats package to help faculty and others more easily get data to engage in discussions on closing departments, etc. It's at bomeara.github.io/sharedgovern...
Issues, pull requests, etc. gladly accepted. Uses IPEDS and college scorecard data.
Issues, pull requests, etc. gladly accepted. Uses IPEDS and college scorecard data.
December 7, 2025 at 7:08 PM
Still very much a beta, but I made an #rstats package to help faculty and others more easily get data to engage in discussions on closing departments, etc. It's at bomeara.github.io/sharedgovern...
Issues, pull requests, etc. gladly accepted. Uses IPEDS and college scorecard data.
Issues, pull requests, etc. gladly accepted. Uses IPEDS and college scorecard data.
I swear East German Omas are some of the scariest people on Earth. I was about to give up my seat on a tram to an elderly woman who'd just boarded, and she put her hand on my shoulder, shoved me back down into the seat, looked me straight in the eyes and said "Nein".
December 7, 2025 at 4:42 PM
I swear East German Omas are some of the scariest people on Earth. I was about to give up my seat on a tram to an elderly woman who'd just boarded, and she put her hand on my shoulder, shoved me back down into the seat, looked me straight in the eyes and said "Nein".
Santa Claus? Saint Nicholas? Sinterklaas? No, it's CHRISTMAS MAN!!
December 7, 2025 at 8:04 AM
Santa Claus? Saint Nicholas? Sinterklaas? No, it's CHRISTMAS MAN!!
Reposted by David Tan
This week's comic: The Listeria League
December 6, 2025 at 5:38 PM
This week's comic: The Listeria League
Reposted by David Tan
POV: u posted a little joke on blue sky. com
December 6, 2025 at 2:06 PM
POV: u posted a little joke on blue sky. com
Reposted by David Tan
Our Editorial for our upcoming special issue in Molecular Ecology: Conservation Genomics—Making a Difference onlinelibrary.wiley.com/doi/10.1111/...
Conservation Genomics—Making a Difference
Conservation genomics has increasingly transitioned from a promising concept to a science that integrates a range of advanced analytical approaches, providing new insights into inbreeding, genetic lo....
onlinelibrary.wiley.com
December 4, 2025 at 8:31 PM
Our Editorial for our upcoming special issue in Molecular Ecology: Conservation Genomics—Making a Difference onlinelibrary.wiley.com/doi/10.1111/...
Reposted by David Tan
Check out our review/perspective piece on phylogenetic diversification analysis, intended for the 75th anniversary of
@systbiol.bsky.social. I had the privilege of working with great coauthors, @fhenaodiaz.bsky.social, @tvasconcelos.bsky.social and @roszenil.bsky.social!
doi.org/10.1093/sysb...
@systbiol.bsky.social. I had the privilege of working with great coauthors, @fhenaodiaz.bsky.social, @tvasconcelos.bsky.social and @roszenil.bsky.social!
doi.org/10.1093/sysb...
December 5, 2025 at 7:34 PM
Check out our review/perspective piece on phylogenetic diversification analysis, intended for the 75th anniversary of
@systbiol.bsky.social. I had the privilege of working with great coauthors, @fhenaodiaz.bsky.social, @tvasconcelos.bsky.social and @roszenil.bsky.social!
doi.org/10.1093/sysb...
@systbiol.bsky.social. I had the privilege of working with great coauthors, @fhenaodiaz.bsky.social, @tvasconcelos.bsky.social and @roszenil.bsky.social!
doi.org/10.1093/sysb...
Reposted by David Tan
📢We have a brilliant #PhD opportunity on collective animal behaviour across vertebrates! Deadline early 2026 so plenty of time to prepare, feel free to reach out for more info if you are interested in applying 👀
All details below👇
All details below👇
PhD opportunity: MOVE
Details: blogs.reading.ac.uk/crocus-dla/c...
Deadline: 12/01/26
Supervisors: @shoalgroup.bsky.social, @inesfuertbauer.bsky.social, @wlallen.bsky.social, @nhcooper123.bsky.social, @marinapapa.bsky.social
Apply: blogs.reading.ac.uk/crocus-dla/p...
Details: blogs.reading.ac.uk/crocus-dla/c...
Deadline: 12/01/26
Supervisors: @shoalgroup.bsky.social, @inesfuertbauer.bsky.social, @wlallen.bsky.social, @nhcooper123.bsky.social, @marinapapa.bsky.social
Apply: blogs.reading.ac.uk/crocus-dla/p...
December 3, 2025 at 8:42 AM
📢We have a brilliant #PhD opportunity on collective animal behaviour across vertebrates! Deadline early 2026 so plenty of time to prepare, feel free to reach out for more info if you are interested in applying 👀
All details below👇
All details below👇
Reposted by David Tan
Seed dispersal by 🦜🦇 underpins rainforest recovery. We want to understand more about its timing + traits driving recovery through obs, exp + genomic data. Ready to join the @reassemblynet.bsky.social team working in Ecuadorian Chocó? Pls apply to our 4-yr PhD position @sgn.one: tinyurl.com/2pkryc99
December 5, 2025 at 7:58 PM
Seed dispersal by 🦜🦇 underpins rainforest recovery. We want to understand more about its timing + traits driving recovery through obs, exp + genomic data. Ready to join the @reassemblynet.bsky.social team working in Ecuadorian Chocó? Pls apply to our 4-yr PhD position @sgn.one: tinyurl.com/2pkryc99
Reposted by David Tan
Starvation fears as more heavy rain threaten flood-ruined Indonesia - https://www.channelnewsasia.com/asia/starvation-fears-more-heavy-rain-threaten-flood-ruined-indonesia-5565261
Starvation fears as more heavy rain threaten flood-ruined Indonesia
Indonesia's national weather agency says rain could return on Saturday to the provinces of Aceh and North Sumatra, where floods have swept away roads, smothered houses in silt and cut off supplies.
www.channelnewsasia.com
December 6, 2025 at 5:43 AM
Starvation fears as more heavy rain threaten flood-ruined Indonesia - https://www.channelnewsasia.com/asia/starvation-fears-more-heavy-rain-threaten-flood-ruined-indonesia-5565261
Reposted by David Tan
Survivors pick up pieces in flood-hit Indonesia as more rain predicted - https://www.channelnewsasia.com/asia/indonesia-flood-survivors-more-rain-predicted-5563466
Survivors pick up pieces in flood-hit Indonesia as more rain predicted
Floods across Indonesia, Sri Lanka, Thailand and Malaysia have killed more than 1,500 people, with Indonesia bearing the brunt of the human loss.
www.channelnewsasia.com
December 5, 2025 at 8:18 AM
Survivors pick up pieces in flood-hit Indonesia as more rain predicted - https://www.channelnewsasia.com/asia/indonesia-flood-survivors-more-rain-predicted-5563466
Reposted by David Tan
Jeremy & Brian are prolly my favourite team-up. Always thoughtful, rigorous, and consequential.
@phylieu.bsky.social & I have a new preprint out: "Statistical and structural bias in birth-death models" www.biorxiv.org/content/10.6...
It's NOT a "the sky is falling in div methods again" but estimates can be biased, and that can happen in small clades even on big trees (MiSSE, Clads, BAMM)
1/2
It's NOT a "the sky is falling in div methods again" but estimates can be biased, and that can happen in small clades even on big trees (MiSSE, Clads, BAMM)
1/2
December 4, 2025 at 8:08 PM
Jeremy & Brian are prolly my favourite team-up. Always thoughtful, rigorous, and consequential.
Reposted by David Tan
Here kitty kitty.
The ancient Chinese thought cats were so nice, they brought them in twice.
But the FIRST one...wasn't a house cat. It was a LEOPARD CAT.
www.sciencenews.org/article/dna-...
The ancient Chinese thought cats were so nice, they brought them in twice.
But the FIRST one...wasn't a house cat. It was a LEOPARD CAT.
www.sciencenews.org/article/dna-...
Ancient DNA reveals China’s first 'pet' cat wasn’t the house cat
The modern house cat reached China in the 8th century. Before that, another cat — the leopard cat — hunted the rodents in ancient Chinese settlements.
www.sciencenews.org
December 4, 2025 at 2:42 PM
Here kitty kitty.
The ancient Chinese thought cats were so nice, they brought them in twice.
But the FIRST one...wasn't a house cat. It was a LEOPARD CAT.
www.sciencenews.org/article/dna-...
The ancient Chinese thought cats were so nice, they brought them in twice.
But the FIRST one...wasn't a house cat. It was a LEOPARD CAT.
www.sciencenews.org/article/dna-...
I don't recall authorising the release of this video of me in grad school.
December 4, 2025 at 7:12 AM
I don't recall authorising the release of this video of me in grad school.
Reposted by David Tan
Popgen folks, Jiseon, Nate, and Andy, along with Yuxin Ning and Franz Baumdicker, just released a really cool new method for simulation based inference (think ABC) using normalizing flows. It seems to work really well! full joint posteriors ftw!
www.biorxiv.org/content/10.6...
www.biorxiv.org/content/10.6...
Neural posterior estimation for population genetics
Simulation-based inference methods are increasingly being used in population genetics due to their flexibility and ability to be applied in settings where likelihood-based methods are intractable. Per...
www.biorxiv.org
December 3, 2025 at 3:41 PM
Popgen folks, Jiseon, Nate, and Andy, along with Yuxin Ning and Franz Baumdicker, just released a really cool new method for simulation based inference (think ABC) using normalizing flows. It seems to work really well! full joint posteriors ftw!
www.biorxiv.org/content/10.6...
www.biorxiv.org/content/10.6...
Reposted by David Tan
Got a paper in mind? #BirdStudy is open to all #ornithology submissions, e.g. field studies, behaviour/habitat, initial/final tracking results, conservation, regional or national popn surveys, renewables, urbanisation, predation, camera-trap studies, diet etc: www.tandfonline.com/journals/tbi...
Bird Study is a @btobirds.bsky.social journal and welcomes high-quality papers on #ornithology, especially bird ecology & evidence-based conservation, analysis of distribution/abundance patterns, movements, habitat associations, field methods, ringing & tracking. www.tandfonline.com/journals/tbi...
December 3, 2025 at 5:31 PM
Got a paper in mind? #BirdStudy is open to all #ornithology submissions, e.g. field studies, behaviour/habitat, initial/final tracking results, conservation, regional or national popn surveys, renewables, urbanisation, predation, camera-trap studies, diet etc: www.tandfonline.com/journals/tbi...
Reposted by David Tan
Been quite bad at promo-ing my presence in cons and fairs lately (busy + uncomfortable posting).
But I'll be at Singapore Comic Con this weekend, sharing a booth with @ehronlime.bsky.social.
Come find us if you are in Singapore (and interested. and have the time.)!
But I'll be at Singapore Comic Con this weekend, sharing a booth with @ehronlime.bsky.social.
Come find us if you are in Singapore (and interested. and have the time.)!
December 3, 2025 at 3:44 PM
Been quite bad at promo-ing my presence in cons and fairs lately (busy + uncomfortable posting).
But I'll be at Singapore Comic Con this weekend, sharing a booth with @ehronlime.bsky.social.
Come find us if you are in Singapore (and interested. and have the time.)!
But I'll be at Singapore Comic Con this weekend, sharing a booth with @ehronlime.bsky.social.
Come find us if you are in Singapore (and interested. and have the time.)!