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Alexej Siren

@apks.bsky.social
123 followers 126 following 109 posts

Assistant Professor at the University of North Dakota. Management and conservation of wildlife populations along range limits

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Alexej Siren @apks.bsky.social · 27/07/2026
Check out new paper by Lily Hall, @remingtonmoll.bsky.social, and others at @unhresearch.bsky.social using drones and FLIR to estimate moose density! wildlife.onlinelibrary.wiley.com/doi/10.1002/.... Lots of hard field and labwork went into this research!
wildlife.onlinelibrary.wiley.com
TWS Journals
We conducted local drone surveys using thermal imaging to estimate the density of moose across a 12,000-km2 landscape. Resultant density estimates appeared reasonably accurate, had variable precision...
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Alexej Siren @apks.bsky.social · 09/07/2026
Interested in learning more about the sounds of reindeer? Check out this awesome Ted Talk by Michael Palace from UNH! www.youtube.com/watch?v=2zyo...
youtube.com
Listening to reindeer in the dark | Michael Palace | TEDxPortsmouth
YouTube video by TEDx Talks
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Alexej Siren @apks.bsky.social · 09/07/2026
New research from NEWMN network: doi.org/10.1002/wlb3.... We evaluated factors influencing the ability of observers to identify demographic characteristics of moose. Large number of #undergraduate researchers from @umassamherst.bsky.social on this project.
doi.org
Life‐history stages and behavior influence demographic classification of moose captured on remote cameras
Obtaining accurate information on demographic states, such as the age and sex classes of animals, is an important step for monitoring wildlife populations. Traditionally, demographic data are collect....
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Alexej Siren @apks.bsky.social · 13/06/2026
Check out new paper by colleague Michael Palace at @unhresearch.bsky.social! onlinelibrary.wiley.com/doi/10.1002/...
onlinelibrary.wiley.com
Asynchronous Synchronization: A Spatially Explicit Agent‐Based Model Simulating Ficus Trees and Their Obligate Wasp Pollinator
Normal or baseline scenario with parameterization from the literature. The green line indicates the CPS based on the decision tree. The blue hatched area indicates the transition period of the model ...
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Robert Long @rlongeco.bsky.social · 22/05/2026
A sequence of images caught by a camera trap tells an amazing story!
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Chris Whittier @chriswhittier.bsky.social · 10/03/2026
Neat fisher story out of UNH www.unh.edu/news/2026/03... @remingtonmoll.bsky.social #PekaniaPennanti
unh.edu
Young Fisher Completes Longest Recorded Journey to Find New Forest Home
UNH researchers have documented the longest-ever trek of a fisher, who roamed more than 73 miles from her home in Durham to the outskirts of Lincoln in the White Mountains.
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Ecol. Solutions & Evidence | Applied Ecol. Resources @aer-ese-bes.bsky.social · 01/04/2026
We're accepting proposals for our Special Feature! We invite scientists and practitioners to share experiences from management projects that didn't go to plan, but still provided important insights into how best to manage ecosystems and species🌱 ⏰Submit by 30th April More here👇 buff.ly/EXXBFsJ
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Wildlife Research @wildliferesearchj.bsky.social · 05/03/2026
Wildlife Research is seeking a Volunteer Social Media Editor to help share new research and engage the scientific community online. Interested? Learn more and apply: connectsci.au/wr/pages/edi...
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Wildlife Research @wildliferesearchj.bsky.social · 15/02/2026
The Wildlife Research Student Prize for Best Paper is now open for eligible submissions. If you're a student lead author publishing in Wildlife Research, you could be eligible to win! connectsci.au/wr/pages/awa... #WildlifeResearch #BlueskyScience #ECRChat #PhDLife #ResearchCommunity
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Ambarish Karmalkar @ambarish.bsky.social · 14/01/2026
I honestly thought December was way colder in the Northeast than what the numbers indicate. Seven mild Decembers in a row really messes up your perception...
Plot showing steadily increasing December temperatures in the Northeast US
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Chris Sutherland @chrissuthy.bsky.social · 28/12/2025
We are recruiting several PhD students. If you are interested in conservation conflicts, population ecology, quantitative ecology, or biodiversity, check these projects out (links in the thread, feel free to reach out):
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Alexej Siren @apks.bsky.social · 18/12/2025
Fresh out in @britishecologicalsociety.org (Ecology and Evolution), we developed SiMPL magnets (a remote camera design) to detect all creatures great and small. 🙂 onlinelibrary.wiley.com/doi/10.1002/.... Excellent work Jahiya Clark and others! Data were critical for AI dev in DeepFaune New England
onlinelibrary.wiley.com
SiMPL Wildlife Magnets: A Camera Trap Tool for Detecting All Creatures Great and Small
The SiMPL wildlife magnet offers an affordable, non-invasive solution for passive wildlife monitoring of a diverse array of large and small mammals. Our case study in the White Mountains of New Hamps...
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Alexej Siren @apks.bsky.social · 14/11/2025
Check out our new paper published from @britishecologicalsociety.org journal Ecology and Evolution led by Dr. Larry Clarfeld. We developed a highly accurate animal classification model using remote #camera data from multiple networks and designs: onlinelibrary.wiley.com/doi/10.1002/...
onlinelibrary.wiley.com
DeepFaune New England: A Species Classification Model for Trail Camera Images in Northeastern North America
The DeepFaune New England model classifies wildlife species in trail camera images, identifying 24 taxa from northeastern North America with high (97%) accuracy. The model was adapted from the DeepFa....
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Alexej Siren @apks.bsky.social · 31/10/2025
Can we predict microhabitat selection of animals using drones? We did in our new article from @wildlifebiology.bsky.social and found that traditional and 3D metrics (derived from drones) do an good job at explaining and predicting microhabitats. nsojournals.onlinelibrary.wiley.com/doi/10.1002/...
nsojournals.onlinelibrary.wiley.com
Quantifying microhabitat selection of snowshoe hares using forest metrics from UAS‐based LiDAR
Identifying the spatial and temporal scale at which animals select resources is critical for predicting how populations respond to changes in the environment. The spatial distribution of fine-scale r....
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Jeff Bowman @jeffcbowman.bsky.social · 27/10/2025
New research using 46 GPS datasets from 17 wildlife species to validate our pan-Canadian connectivity model rdcu.be/eMWN5
A map of Canada showing animal icons where 46 GPS datasets were used from 17 different species
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Alexej Siren @apks.bsky.social · 27/10/2025
Great new article in @animalecology.bsky.social highlighting how to properly account for detection while estimating insect abundance. besjournals.onlinelibrary.wiley.com/doi/pdf/10.1.... We showed using a review how this is also a problem for ticks: www.sciencedirect.com/science/arti...
besjournals.onlinelibrary.wiley.com
Estimating the ecological drivers of insect abundance when detection is imperfect
Using a field-based mark–recapture approach, the authors demonstrate that habitat quality can simultaneously influence insect abundance and detection. Simulation also showed that prioritizing increas...
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Roland Kays @rolandkays.com · 21/10/2025
1 week left to apply to our Postdoc job with our lab using AI to analyze camera trap images at the NC Museum of Natural sciences and NCSU and in collaboration with Wildlife Insights https:/​/​jobs.ncsu.edu/​postings/​223025
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marie martin @mellenmartin.bsky.social · 14/10/2025
new pub out — Yosemite is a perfect (and picturesque) place to show how heterogeneity can shape species distributions and foraging patterns. Grateful to Yosemite NP, Levi & Sacks labs & @roguedogs.bsky.social for their collaboration 💗
A two row figure displaying the occupancy patterns of bobcats, cougars, coyotes, gray foxes, and martens (top row) in Yosemite and how canopy cover, heterogeneity in canopy cover, and topography/snowpack (bottom row) shaped these patterns of occurrence. A two panel figure diet patterns of bobcats, cougars, coyotes, gray foxes, and martens via composition of major prey groups detected through high-throughout sequencing (left figure) and how inter specific diets overlapped in niche space (right panel)
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Ecography @ecography.bsky.social · 09/08/2025
Using spatial capture–recapture methods to estimate long-term spatiotemporal variation of a wide-ranging marine species vist.ly/32t84 #BlueWhale #CaptureRecapture #Distribution
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Alessio Mortelliti @alessiomortelliti.bsky.social · 17/07/2025
Our review led by S. Savazza "Measuring Personality in Wild Small Mammals: A Review of Methods and Proposal for a Standardised Approach" is out, free open access, in mammal review onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
Measuring Personality in Wild Small Mammals: A Review of Methods and Proposal for a Standardised Approach
We provide a systematic review of methodologies used to study personality in small mammals. We propose adopting ‘Standardised Experimental Design’ and ‘Behavioural Measurements’ to effectively compar...
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Alexej Siren @apks.bsky.social · 11/07/2025
How do #forests influence #snowpack dynamics in the northeastern US? Check out our new paper led by @lispastore.bsky.social and Dr. Nelson (@appmtnclub.bsky.social) published in @esajournals.bsky.social: esajournals.onlinelibrary.wiley.com/doi/10.1002/.... Hint: mixedwood forests = snow refugia.
esajournals.onlinelibrary.wiley.com
Snow refugia: Managing temperate forest canopies to maintain winter conditions
Climate change is reducing snowpack across temperate regions with negative consequences for human and natural systems. Because forest canopies create microclimates that preserve snowpack, managing fo...
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Cole Burton @coleburton.bsky.social · 09/07/2025
The WildCo Lab @wildco.bsky.social is recruiting 2 postdocs in quantitative ecology to work on mammal population estimation and monitoring from camera trap data. 🐺🐻🦌📷📈 Please share the word or apply to join us at UBC in lovely Vancouver, Canada! wildlife.sites.olt.ubc.ca/files/2025/0...
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Jonathan Tonkin @jdtonkin.bsky.social · 23/06/2025
My latest "Nexus Notes" – Land sparing vs. land sharing, the pulse of rivers, ocean summits, and peer review is broken
predirections.substack.com
Nexus Notes – Land sparing vs. land sharing, the pulse of rivers, ocean summits, and peer review is broken
Nexus Notes #8
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Roland Kays @rolandkays.com · 18/06/2025
Check out our new paper in Current Biology on how well Chinese protected areas have preserved mammal and bird communities #cameratrap includes work-of-art figures by lead author Junjie Liu www.sciencedirect.com/science/arti...
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Alexej Siren @apks.bsky.social · 13/06/2025
Check out our new article in @wildliferesearchj.bsky.social evaluating the influence of snow, winter severity indices (WSI), and human influence on🦌survival. Deep ❄️ = low survival, human influence = higher survival, WSI = overpredicted survival. www.publish.csiro.au/WR/WR25008
publish.csiro.au
Deep snow and human influence affect survival of an ungulate at the northern part of its range
Context Winter is generally considered the limiting season for wildlife populations living in high-latitude/altitude regions. Logically, managers have used temperature and snow variables or indices to...
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Remington Moll @remingtonmoll.bsky.social · 23/05/2025
📢New paper 📢 MS student Clara Dawson's 1st chapter is out! Does increased habitat connectivity always increase wildlife-vehicle collision rates? No! We found nonlinear effects of connectivity on wildlife-vehicle collisions Free access: rdcu.be/emUU3
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Vermont Center for Ecostudies @vtecostudies.bsky.social · 27/05/2025
What if you could look up exactly where a species has been found and where it’s likely to be found in the future? What if land stewards could use that information when creating conservation plans? VCE's Brian Kron and Mike Hallworth are helping them do just that in Vermont. tinyurl.com/bdh99th3
tinyurl.com
How We’re Taking Species Mapping to the Next Level | Vermont Center for Ecostudies
Using Species Distribution Models based on observations submitted to the Vermont Atlas of Life by community scientists, in combination with environmental data collected by satellites, can help land st...
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Desirée L. Narango @dlnarango.bsky.social · 21/05/2025
New paper! If trees are closely related, does it matter where they are from to plant-eating insects? We raised >950 Promethea moth caterpillars on 14 Prunus species to answer that question. Turns out, it matters a lot! Non-native trees = Lower performance OA paper here: doi.org/10.1002/ecs2...
Two Promethea moth caterpillars
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Methods in Ecology and Evolution @methodsinecoevol.bsky.social · 21/05/2025
📖Published📖 Moeller et al. developed Survival and Habitat Quality model (SHQ), a novel modelling approach to connect survival to the cumulative effects of resources, risks, and environmental conditions experienced over an individual's lifetime 🌎 🧪 Read more here 👇 buff.ly/sry3vap
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Chris Sutherland @chrissuthy.bsky.social · 22/04/2025
We are hiring a chair/professor in our Ecology and Environmental Modelling group at @uniofstandrews.bsky.social. Scotland is a lovely place to work, and my colleagues are fantastic! Reach out if you are interested in joining the CREEM family ☺️ vacancies.st-andrews.ac.uk/Vacancies/I/...
media.tenor.com
a kid in a knight costume is asking who will join us
ALT: a kid in a knight costume is asking who will join us
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Zeke Hausfather @zekehausfather.com · 15/05/2025
Scientists have been publishing climate models since ~1970. A good way to evaluate their skill is to compare what they expected to happen in the years after the model was published to observed climate changes. It turns out most models were pretty spot-on:
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WyoFile @wyofile.com · 15/05/2025
Fate of Wyoming Cooperative Fish and Wildlife Research Unit staffers — Matt Kauffman, Anna Chalfoun and Annika Walters — remains unclear, but Trump administration cuts have led to widespread suspicion that their days on the job are numbered.
wyofile.com
Trump’s ‘liquidation plans’ could wipe out Wyoming research group renowned for migration work - WyoFile
Fate of the Wyoming Cooperative Fish and Wildlife Research Unit’s science faculty — Matt Kauffman, Anna Chalfoun and Annika Walters — unclear as president orders deep cuts.
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Jonaki Mehta @jonakimehta.bsky.social · 08/05/2025
Last week, our team was in rural Maine, talking to counselors and students at Mill Stream Elementary about the value of mental health services in schools. Then, last Wednesday night, as we were on the road home the Trump administration announced cuts... www.npr.org/2025/05/07/n...
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Marco Festa-Bianchet 🇨🇦 @marcofesta.bsky.social · 08/05/2025
News re the Can Soc Ecol Evol meeting in Sherbrooke in July: You may now register for workshops through our website: 🔗 event.fourwaves.com/fr/scee2025/... This registration does not include access to the rest of the conference.
event.fourwaves.com
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Vermont Center for Ecostudies @vtecostudies.bsky.social · 05/05/2025
We're looking for a new PhD student! Don't miss this great opportunity to work with Ryan Norris, Bill DeLuca, Michael Hallworth, and others to reveal the epic migration of Blackpoll Warblers from across the Boreal Forest. See the details here: https:/tinyurl.com/BLPWphd
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Robert Fletcher @fletcherecology.bsky.social · 02/05/2025
journals.plos.org/plosbiology/...
journals.plos.org
The end of long-term ecological data?
Can we ever have too much ecological field data? Are data sharing norms and the environmental costs of travel disincentivizing its collection? This Perspective advocates for proper funding and resourc...
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Alexej Siren @apks.bsky.social · 03/05/2025
Just saw this announcement by DOI to increase hunting and fishing access on federal lands. I support increased hunting opportunities but this makes no sense in light of the federal RIF, including law-enforcement: www.doi.gov/pressrelease...
doi.gov
Department of the Interior Announces Expansion of Hunting and Fishing Opportunities | U.S. Department of the Interior
In a major step to expand recreational access to America’s public lands, U.S. Secretary of the Interior Doug Burgum today announced 42 new proposed hunting opportunities across more than 87,000 acres ...
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Vermont Center for Ecostudies @vtecostudies.bsky.social · 29/04/2025
What if you could camp overnight on a New England mountain and then do a sunrise hike...and protect birds while you're at it? We're recruiting for mountain hiking routes in the Adirondacks, Maine, and New Hampshire: vtecostudies.org/projects/mou...
vtecostudies.org
Mountain Birdwatch | Vermont Center for Ecostudies
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Chris Sutherland @chrissuthy.bsky.social · 25/04/2025
We are hiring a chair/professor in our Ecology & Enviro Modelling group at @uniofstandrews.bsky.social. Scotland is lovely, and my colleagues are fantastic! Reach out if you are interested in joining the CREEM family ☺️ Working link this time 👇 www.vacancies.st-andrews.ac.uk/Vacancies/W/...
vacancies.st-andrews.ac.uk
Chair/Reader in Statistical Ecology – AC2503NK
Chair/Reader in Statistical Ecology – AC2503NK, School of Mathematics and Statistics Salary: By negotiation* Start Date: 1 August 2025 or as soon thereafter Full time: 36.25hrs per week, <p style="tex...
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Alexej Siren @apks.bsky.social · 16/04/2025
Watching Le Debat Des Chefs on @cbcnews-rss.bsky.social news. This may not be impressive for Canadians, but it’s really neat to see that all candidates are bilingual!
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Ryan Brook, PhD. Chairman of the Boar @ryankbrook.bsky.social · 12/04/2025
I share this study of job-related mortalities of wildlife biologists as a reminder that this job is not without risks. 66% of all recorded deaths were caused by aircraft accidents. Drowning and vehicle accidents were 16%. Safety is vital, as is detailed planning. Choose your pilots carefully!
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Valentin Amrhein @vamrhein.bsky.social · 11/04/2025
dx.plos.org/10.1371/jour...
dx.plos.org
Ten quick tips to get you started with Bayesian statistics
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Christopher Dean @princessquatris.bsky.social · 08/04/2025
🚨 I'm super happy to announce that our new paper is finally out today in @currentbiology.bsky.social! 🚨 We used the ecological approach of occupancy modelling to investigate the structure of the dinosaur fossil record prior to the K/Pg mass extinction! www.cell.com/current-biol...
cell.com
The structure of the end-Cretaceous dinosaur fossil record in North America
Dean et al. examine the fossil record of North American dinosaurs prior to the end-Cretaceous mass extinction. Estimates of detection probability from occupancy models decrease prior to the extinction...
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Alexej Siren @apks.bsky.social · 09/04/2025
New paper from @currentbiology.bsky.social highlighting the use of occupancy modeling to detect dinosaurs during Cretaceous Period. Nice work @princessquatris.bsky.social! www.cell.com/current-biol...
cell.com
The structure of the end-Cretaceous dinosaur fossil record in North America
Dean et al. examine the fossil record of North American dinosaurs prior to the end-Cretaceous mass extinction. Estimates of detection probability from occupancy models decrease prior to the extinction...
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Alexej Siren @apks.bsky.social · 06/04/2025
Listening to music this morning and came across this beautiful song. It made me think of my mother and all of those who give us life, despite challenging circumstances and dark times: m.youtube.com/watch?v=TKsr.... Thanks, mom and to all other moms in this world.
m.youtube.com
, Brian Finnegan - Dare
YouTube video by Brian Finnegan Music
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Mike Laforge @m-laforge.bsky.social · 27/03/2025
I am currently looking for an MSc student to join my research group for September 2025 to investigate moose habitat selection in the context of apparent competition in Ontario's Far North. Please share and contact me for further details!
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Alessio Mortelliti @alessiomortelliti.bsky.social · 24/03/2025
"Over the limit: Consequences of gray squirrel personality on the shifting range limits of oak and hickory species" led by Maisie Merz is now out (open access) in Global Ecology and Conservation. www.sciencedirect.com/science/arti...
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Wildlife Research @wildliferesearchj.bsky.social · 17/03/2025
Happy Monday! Check out the relationship between people, fire patterns and the persistence of two threatened species from www.publish.csiro.au/wr/WR24076 discussed in the Conversation here: stories.theconversation.com/fire-revival/
stories.theconversation.com
Fire revival
A return to traditional Indigenous burning practices in the Gibson and Great Sandy deserts is helping protect the ninu, or greater bilby.
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Bia Dias @biaocean.bsky.social · 15/03/2025
Hello World. After a break of social media, and deleting some accounts on other platforms, here I am!
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Wildlife Research @wildliferesearchj.bsky.social · 11/03/2025
What's happening recently with WRJ? Here's a list of some interesting reads on Australian flying-foxes, mesocarnivores, and blackbirds from just LAST WEEK! 1) -> www.publish.csiro.au/WR/WR24107 2) -> www.publish.csiro.au/WR/WR24108 3) -> www.publish.csiro.au/WR/WR24066 Happy reading! 🦇🐱🐦
Cute cat sleeping on an opened book.
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