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Zack Steel 🪶🦇🌲🔥

@zacksteel.bsky.social
4.1K followers 566 following 161 posts

Research Ecologist | Colorado | wildlife & forest conservation, disturbance, landscape ecology | my views

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Reposted by Zack Steel 🪶🦇🌲🔥
Markus Eichhorn @markuseichhorn.bsky.social · 02/10/2026
It's that time again.
Panel 1 title: grant proposal. A happy tetrapod pootles about in a wetland with trees in the background. 
Panel 2 title: final report. The same tetrapod stares in dismay at the dead fish in the tainted water as forests burn in the background. 
Original artwork: Victor Leshyk
Actual paper: https://www.scientificamerican.com/article/toxic-slime-contributed-to-earth-rsquo-s-worst-mass-extinction-mdash-and-it-rsquo-s-making-a-comeback/
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c0nc0rdance @c0nc0rdance.bsky.social · 14/02/2026
Franzi Schimmer captured this Grizzly bear in Brooks Falls, Alaska just floating along, tippy-tapping down the river, browsing the salmon. Prior to hibernation, up to 40% of a bear's body mass is fat, which is less dense than water (~0.9 g/cm^2), so the murder-monster is also a floaty-boaty.
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Prof. Jeff Ollerton @jeffollerton.bsky.social · 30/09/2026
Want to conserve #birds, #mammals and other vertebrates? Then don’t forget their #insects. Our new Nature Reviews Biodiversity paper explores the many ways vertebrates depend on insects — for food, shelter, protection and much more. I’ve written about it here: jeffollerton.co.uk/2026/09/30/w...
jeffollerton.co.uk
Want to conserve birds and mammals? Then conserve their insects – our new paper in Nature Reviews Biodiversity sets out the details
It’s sometimes easy to forget quite how much of the living world depends upon insects. That might seem an odd thing for someone who has spent much of his career studying insects and their relations…
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c0nc0rdance @c0nc0rdance.bsky.social · 30/09/2026
Omigod, this is the most heartwarming story possible! Backpack (bear 89) is the son of the 2019 winner of Fat Bear Week, Holly (bear 435). In 2007, he injured his foot & a practice of riding on momma's Holly's back had a new meaning: he was mobility-restricted while it healed. So Holly moved him.
From DISCVR blog's Facebook page, a momma bear & a yearling cub on her back in the shallow water.  I think the background has been swapped out, and I can't rule out some AI use there?  God, Facebook has become the social media for AI slop : (

The title of the article, which I link below, is "How Bear 89 earned the name Backpack"
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Vincent Ledvina @vincentledvina.bsky.social · 29/09/2026
Here it comes... the large coronal hole is almost directly facing Earth now, which means fast solar wind is 3-4 days away. In fact, NOAA SWPC has just issued a G1/minor storm watch for Oct 2. This means there are chances for mid-latitude auroral displays Thu and Fri nights. #heliophysics
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Brian J. Enquist @bjenquist.bsky.social · 28/09/2026
Please pass along: I’m recruiting PhD students to join our Macroecology Lab. We study physical ecology, macroecology, and biodiversity — spanning scaling, trait-based ecology, theory, comparative biology & ecoinformatics. Several avenues for funding. Please reach out if interested 🧪🌐🌾
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Max M. @ambystomax.bsky.social · 29/09/2026
Seasonal job opportunity in Northeastern Oregon with some of the cool people I work with! Spend your summer chasing woodpeckers and hiking around some beautiful country 😊 jobs.rwfm.tamu.edu/view-job/?id...
jobs.rwfm.tamu.edu
USFS Wildlife Technician | Natural Resources Job Board
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Center for Large Landscape Conservation @largelandscapes.org · 28/09/2026
The largest wildlife overpass in North America was completed in 2025 spanning I-25 in CO. According to Colorado Governor Jared Polis, the crossing, and nearby crossing infrastructure, has reduced wildlife-vehicle collisions on the stretch of I-25 by 91%. www.denvergazette.com/outtherecolo...
denvergazette.com
Massive wildlife overpass has helped reduce wildlife-vehicle collisions by 91% in Colorado
In December 2025, it was announced that the Colorado Department of Transportation (CDOT) had completed the construction of the I-25 wildlife overpass in the area of Greenland, between Denver and Color...
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c0nc0rdance @c0nc0rdance.bsky.social · 24/09/2026
To celebrate Spooky Season, let's learn why this vampire bat is running on a treadmill. The three species of vampire bats are the only known mammals to be obligate hemophages: 100% of their calories come from blood. The Common Vampire Bat (Desmodus rotundus) prefers mammals... (📷: Giulia Rossi)
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Zack Steel 🪶🦇🌲🔥 @zacksteel.bsky.social · 19/09/2026
Fat bear week here! www.npr.org/2026/09/18/n...
npr.org
Alaska's salmon-feasting bears face off in biggest Fat Bear Week ever
This year's single-elimination tournament will see 16 competitors face off, compared to 12 in past years. Officials report more cubs in Katmai National Park than they've seen in recent memory.
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Adam Siepielski @adamsiepielski.bsky.social · 15/09/2026
The Department of Biological Sciences at the University of Arkansas is hiring a TT Assistant Professor Position in Ecology. We have a wonderful group of colleagues. Join us! Apply here: tinyurl.com/yxk5marb
Photograph of the University of Arkansas in Fall.
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Zack Steel 🪶🦇🌲🔥 @zacksteel.bsky.social · 15/09/2026
That’s a meaningful climate record I’ve never thought about before
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Meade Krosby @meadekrosby.bsky.social · 14/09/2026
Great job opening for Habitat Connectivity Biologist at WA Dept of Fish & Wildlife. The position will "identify priority areas for connectivity conservation and translate that science into practical tools...to help protect and restore wildlife movement and build climate-resilient habitat networks."
governmentjobs.com
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Joyce White Vance @joycewhitevance.bsky.social · 14/09/2026
“The United States will no longer limit the planet-warming pollution that power plants pump into the air while burning coal and gas” www.nytimes.com/2026/09/13/c...
nytimes.com
E.P.A. Will Erase Limits on Climate Pollution From Power Plants (Gift Article)
Generation of electricity is the second largest source of carbon dioxide and other planet-warming gases in the United States.
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Zack Steel 🪶🦇🌲🔥 @zacksteel.bsky.social · 14/09/2026
The inventor of the fitted sheet: brilliant visionary or sadistic jerk?
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c0nc0rdance @c0nc0rdance.bsky.social · 19/02/2026
Let's learn some surprising things about hummingbird tongues. First, as you can see, their tongues are forked & feathery, highly specialized for lapping up their liquid diet of nectar. But it gets weirder up close!
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Susie Kocher @susiekocher.bsky.social · 10/09/2026
This is worth of watch. These folks are real heros. www.youtube.com/watch?v=ulJY...
youtube.com
Creek Fire: The Largest Helicopter Rescue in National Guard History
YouTube video by California National Guard
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Trevor A. Branch @trevorabranch.bsky.social · 09/09/2026
This is seismic news for fisheries scientists. Northern cod is *the* iconic symbol of total fisheries collapse due to overfishing (and other factors) *and* the iconic symbol of a complete failure to recover for decades afterwards. This is like announcing the complete recovery of bison on land.
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canyonbirds.bsky.social @canyonbirds.bsky.social · 04/09/2026
#FossilFriday
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GrumpyUncleSean🔥 @grumpyunclesean.bsky.social · 01/09/2026
1/5 New paper in PNAS led by Andreas Wion! 🔥🌍🧪 For centuries, dry-conifer forests in the western U.S. burned frequently, but mostly at low severity, meaning most trees were not killed by fire. Read on for details ...
doi.org
PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
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Zeke Hausfather @zekehausfather.com · 01/09/2026
The emissions scenarios underlying the next generation of climate model runs that will be featured in the upcoming IPCC 7th Assessment Report are officially out! I have a big new explainer over at Carbon Brief taking an in-depth look at what they mean and whats changed: www.carbonbrief.org/...
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A. Marmot 🌱 @aminus.bsky.social · 25/08/2026
important
rmpbs.org
Voting begins for Colorado’s first-ever Fat Marmot Week | Rocky Mountain PBS
May the chunkiest chunker win.
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Rosemary Mosco @rosemarymosco.com · 24/08/2026
Hummingbirds.
A four panel comic. In panel 1, a rufous hummingbird flies down toward a large hummingbird feeder with as many as 6 holes on top. He thinks "The humans put up a new feeder!" In panel 2, he lands on the feeder and gazes down at it. He thinks "It's huge. Many of us could feed here at once." In panel 3, we see a close up view of the hummingbird, and he's thinking "This could end the ancient rivalries. Usher in an era of peace. Interesting." In panel 4, an Anna's hummingbird hovers over the feeder and says "Hey, can I have some necta-" and the rufous hummingbird says "No."
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Anonymous Potato @anonymouspotato.bsky.social · 05/08/2026
EcoEvoJobs 2026-27 just opened for business and we've already got 79 faculty / permanent jobs listed. Please repost! ecoevojobs.net
ecoevojobs.net
ecoevojobs.net 2026-27
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Erik Hoffner @erikhoffner.bsky.social · 24/08/2026
Fat Marmot Week is here Fun new wildlife contest that also aims to boost donations for long term ecological research funding that was recently cut by the regrettable US government 🧪 So if you missed fat bear week, get fat over here: sites.google.com/view/fatmarm...
The largest of the true hibernators, marmots bulk up all summer to survive the winter. Fat Marmot Week is an opportunity to get folks excited about yellow-bellied marmots, one of our favorite alpine residents, and to share the science behind their weight gain.
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Roland Kays @rolandkays.com · 23/08/2026
Last post from our Lewis & Clark wildlife resurvey. Lewis wrote to Jefferson that these rivers held more beaver than any streams on earth. It was a business plan & it worked. Here's what's left after that enterprise, and whats come back w/ conservation rolandkays.com/reflections-...
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Jessica McCarty @jmccartygeo.bsky.social · 23/08/2026
Hawk Fire is also another example of a “wildland” fire that is threatening human communities beyond the immediate interface where our settlements meet rural & wild landscape (the WUI - Wildland urban interface). Every home & neighborhood in North America should be assessing fire and smoke risk.
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Andrew Stoehr @andrewstoehr.bsky.social · 20/08/2026
Come work with me! We're hiring a vertebrate biologist! I'm on the search committee, and happy to answer questions. (Butler University, Indianapolis, IN). Please spread the word! fa-exer-saasfaprod1.fa.ocs.oraclecloud.com/hcmUI/Candid...
fa-exer-saasfaprod1.fa.ocs.oraclecloud.com
Assistant Professor, Biology
The Department of Biological Sciences at Butler University invites applications for a tenure-track Assistant Professor position starting in August 2027. We are searching for a broadly trained vertebra...
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Gray @grays.art · 19/08/2026
Sorry, Eric Carlisle. #humpDayHumor
But the wasp larvae were even hungrier.
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Daniel Karp @dskarp.bsky.social · 18/08/2026
I am recruiting a PhD student next year! If you want to work on conservation in working landscapes, consider applying. If interested, please fill out this Google Form in lieu of an email inquiry (forms.gle/1pMESJ5ME8uK...). Check out our website to learn more about us: karp.ucdavis.edu
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Zack Steel 🪶🦇🌲🔥 @zacksteel.bsky.social · 18/08/2026
Sometimes I get to work outside
Alpine lake - Roosevelt National Forest Fern Lake - Rocky Mountain National ParkElk skull found on the groundPath through burned forest
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Jonathan Eisen @phylogenomics.bsky.social · 13/08/2026
Job Opening. Faculty Position in Plant Evolutionary Biology at University of California, Davis in the Department of Evolution and Ecology (EVE, my home department). More detail here. recruit.ucdavis.edu/JPF07777
POSITION DESCRIPTION

The College of Biological Sciences at the University of California, Davis invites applications and nominations for a 9-month, tenure-track position in the Department of Evolution and Ecology at the ASSISTANT PROFESSOR level. The Department of Evolution and Ecology is seeking a plant evolutionary biologist with interests in the evolution of plants at any taxonomic, geographic, organizational, or evolutionary scale. Candidates must have a Ph.D. (or equivalent) in the biological sciences, evolutionary biology, ecology, genetics, or a related field, and will be expected to complement and build upon existing faculty strengths in the Department of Evolution and Ecology and across UC Davis.

We welcome applicants working on any group of plants and using empirical, computational, experimental, and/or theoretical approaches. Possible areas of study are broad, and include macroevolutionary research on plant diversification, trait evolution in a phylogenetic context, major evolutionary innovations, comparative genomics, and evolutionary developmental biology, as well as research focusing at or below the species level including population biology, quantitative genetics, adaptive evolution, speciation, biogeography, and the evolution of life histories or species interactions.

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Wendy Wiens @wendywiens.bsky.social · 16/08/2026
Orcas today 🫍🫍🫍🫍 T19s and T35s ~ taken from shore 1/3
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Jonathan Coop @coopecology.bsky.social · 14/08/2026
Our new paper assesses relationships between wildfire rate of spread, area burned, and severity in western + boreal North American conifer forests 2012-2023. Take home message in the title: faster--> bigger--> more severe. With @grumpyunclesean.bsky.social, @jessforplanet.bsky.social and more! 🔥🧪🌍
science.org
Faster, bigger, more severe: Extreme wildfire spread sets the stage for forest ecosystem change in western and boreal North America
A relatively small number of rapidly spreading wildfire events burn disproportionately large areas. But beyond area burned, do fast fires produce distinct postfire ecological outcomes? Here, we measur...
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Aki Vehtari @avehtari.bsky.social · 13/08/2026
All four books I've co-authored are freely available online for non-commercial use: - Bayesian Workflow at avehtari.github.io/Bayesian-Wor... Links to other three books are in the quoted post 👇 (too many books to fit in one post!)
avehtari.github.io
Bayesian Workflow book: Website – Bayesian Workflow book
Website for the Bayesian Workflow book by Gelman, Vehtari, McElreath, et al. — case studies, code, and exercises in R and Stan.
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Dr. Jeff Masters @drjeffmasters.bsky.social · 10/08/2026
It's not good to be beating Dust Bowl records! We just beat 1936 for hottest month in U.S. history, and also just had the 2nd-worst July drought conditions in the U.S., behind only July 1934. 2026 wildfire acreage burned: 6.3 million+ acres, highest in at least 10 years.
yaleclimateconnections.org
The U.S. just had its hottest month in recorded history, surpassing Dust Bowl record » Yale Climate Connections
A long-infamous record from the 1930s has bit the dust.
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MTH @megt.bsky.social · 08/08/2026
Wildfire smoke is eclipsing Clean Air Act gains. Climate change-fueled conditions lead to intense wildfires that blanket communities in toxic smoke that is more harmful than pollution from other sources. Study: smoke from wildfires more harmful to fetuses. 🌎🧪 insideclimatenews.org/news/0708202...
insideclimatenews.org
Wildfire Smoke Is Now a Bigger Prenatal Threat Than Human Sources of Air Pollution - Inside Climate News
As regulations have reduced prenatal exposure to harmful emissions from vehicles and industry in recent years, smoke from climate-fueled wildfires is erasing air quality gains.
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Albert Ruhí @albertruhi.bsky.social · 08/08/2026
We're hiring an ecologist at UC Berkeley! The Dept. of Integrative Biology is hiring a tenure-track Assistant Professor in Ecology. Plants/algae, invertebrates, microbes, or marine systems a priority. Come join us!! Apply by Oct 5, 2026. aprecruit.berkeley.edu/JPF05489 PS: Please share!
aprecruit.berkeley.edu
Assistant Professor –Ecology- Integrative Biology
University of California, Berkeley is hiring. Apply now!
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Meade Krosby @meadekrosby.bsky.social · 06/08/2026
“In recent months, as scientists have predicted an El Niño that could be the strongest in recorded history, the attention has focused on how it could hurt humans. And it could hurt us a lot…But wildlife stands to suffer, too. Marine mammals and seabirds are among the most at risk.”
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John R. Platt @johnrplatt.bsky.social · 05/08/2026
Jeffrey pines shouldn’t be found 12,657 feet up a mountain — but that’s where they’ve turned up in California’s Sequoia National Park. How did they get there? And what does their arrival tell us about #climatechange, forest composition & California’s fiery future? therevelator.org/california-t...
therevelator.org
A Gnarly Situation: High-Elevation Discovery Raises New Questions About Which California Trees Will Survive Climate Change • The Revelator
Birds may have been burying Jeffrey pine seeds up high for thousands of years. But now that they’re sprouting, this new species of subalpine tree may change the playing field.
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Kevin Anchukaitis @thirstygecko.bsky.social · 31/07/2026
I am pleased to announce that we are inviting applications for a Lead Laboratory Coordinator at the University of Arizona’s Laboratory of Tree-Ring Research. Review of applications will begin on September 15, 2026. For details and to apply, visit arizona.csod.com/ux/ats/caree...
arizona.csod.com
Lead Laboratory Coordinator, Tree Ring Laboratory
In this role, you will:Lead the oversight of a dendrochronology laboratory in collaboration with the Director, including the mentoring, training,...
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Daniel Swain @weatherwest.bsky.social · 27/07/2026
In recent weeks, there has been a remarkable surge in large, intense, fast-moving, and unfortunately in many cases destructive/deadly wildfires in multiple Northern Hemisphere regions spanning a wide range of climates & ecologies, but they all share one key commonality. [Thread]
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Dr. Thomas Ronge @thomasronge.bsky.social · 22/07/2026
Pretty cool and dramatic NASA animation showing the long-range transport of 2026 Canadian wildfire smoke.
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Zack Steel 🪶🦇🌲🔥 @zacksteel.bsky.social · 18/07/2026
A nice overview of the factors driving the Canada fires and how fire in boreal forest differs from fire in dry western US forests
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Dr. Katie Glover (she/her) #BLM @katieglover.bsky.social · 18/07/2026
Please share! This fully-funded postdoc position at the UCLA La Kretz Center allows candidates to design their own projects in California conservation, and offers mentorship from both academics and conservation practitioners. drive.google.com/file/d/1K2Qi...
drive.google.com
LKC 2027 Postdoctoral Fellowship.pdf
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Harvey J. Miller @mobileharv.bsky.social · 17/07/2026
“What is unfolding is what climate and forest scientists have been predicting for 30 years. That as the world gets hotter and drier, we are exposing forests to more and more risk, and the old strategies of fire suppression are simply being overwhelmed.”
theatlantic.com
Canada’s Forests Will Burn and Burn
Once a wildfire starts, it can spread to an area too massive to control.
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Lyn Heideman @heidelyn.bsky.social · 16/07/2026
Smoke from wildfires in Canada and the US is sending dense smoke across the Midwest, New England, New York, and beyond. Hazardous air quality combined with high temperatures can be deadly. The New York Times is tracking air quality. Check your city: www.nytimes.com/interactive/.... 🌎
nytimes.com
Maps: Tracking Air Quality and Smoke From Wildfires in Canada and the U.S. (Gift Article)
See maps of where smoke is traveling and how harmful the air has become.
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Mark Ingalls 🎃👻🧙‍♂️ @ingalls.mstdn.ca.ap.brid.gy · 16/07/2026
Many new wildfire starts, especially in the Cascades and Blue Mountains of Oregon, thanks to a dry thunderstorm outbreak yesterday and overnight. #ORfire #ORwx #WAfire #WAwx
A map showing wildfires in the greater Northwest showing dozens of new fire starts mainly in Oregon over the last 24 hours.
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Antonio Vecoli (@tonyveco on X) @tonyveco.bsky.social · 15/07/2026
🔴 ⚠️ 🔥 🛰️ A tremendous #wildfire outbreak started in #Ontario on July 14, with more than 160 #wildfires and a huge smoke plume that will reach the East Coast in the next few days ⬇️ #Sentinel2 📸 on July 14,130km wide,where the largest fire is 430km2 #Canada� #climateemergency
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