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mtw1000.bsky.social

@mtw1000.bsky.social
206 followers 610 following 13 posts
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David Shiffman, Ph.D. 🦈 @whysharksmatter.bsky.social · 10/10/2026
Whale Shark Tagged Five Times Off Mexico's Yucatán Tracked for Nine Years and 34,000 Miles
sevenseasmedia.org
Whale Shark Tagged Five Times Off Mexico's Yucatán Tracked for Nine Years and 34,000 Miles
Researchers have fitted the same male whale shark, Milo, with satellite tags five times since 2017. His record now spans more than 3,400 days and reaches from the Gulf of Mexico to Massachusetts.
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Mongabay @mongabay.com · 08/10/2026
A push to revive commercial whaling was rejected at the International Whaling Commission's latest meeting. Though a South Atlantic sanctuary proposal failed again, delegates maintained the commercial ban and passed key measures on vessel strikes & strandings. @elizabethalberts.bsky.social reports.
mongabay.cc
International Whaling Commission rejects push to revive commercial whaling
A push to reopen the door to commercial whaling failed at the recent meeting of the International Whaling Commission (IWC) after a controversial resolution was taken off the table on the last day.…
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British Antarctic Survey 🐧 @bas.ac.uk · 07/10/2026
The world's largest penguin colony has lost its title 🐧 A remote volcanic island near Antarctica has lost over half a million chinstrap penguins since 2011, a decline so steep it could see the species reassessed as 'Endangered'. 🧵1/2
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Blue whale news @bluewhalenews.bsky.social · 01/10/2026
Multiple blue whale sightings off Kamchatka Peninsula in June 2017 [blue circles] kamniro.elpub.ru/jour/article...
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Orca Behavior Institute @orcabehaviorinstitute.org · 29/09/2026
HR 9621 would allow for additional exemptions under the MMPA broadening how pinnipeds could be killed in the name of protecting listed salmon stocks. Christopher Dunagan's latest article goes into the issue in depth. A long read, but well worth it to learn about this controversial topic.
eopugetsound.org
Congress debates lethal removal of seals and sea lions in Puget Sound | Encyclopedia of Puget Sound
A proposed amendment to the Marine Mammal Protection Act has renewed a debate over the merits of killing seals and sea lions to protect salmon. Proponents say it will help some endangered salmon popul...
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Hillary Rodham Clinton @hillaryclinton.bsky.social · 28/09/2026
Not content with the $2 billion he made last year and the $400 million in his super PAC, Trump is using your money to run pro-MAGA ads before the midterms. www.nytimes.com/2026/09/27/u...
nytimes.com
Trump’s 2024 ‘Final Battle’ Ad Returns, Funded by Public Money (Gift Article)
The ad, which ethics experts said could violate federal law, shows Mr. Trump vowing to “expel the warmongers” from the government and fight the “deep state,” even as he wages a war with Iran.
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Blue whale news @bluewhalenews.bsky.social · 27/09/2026
Blue whales are at the bottom of the food web relative to other marine mammals in the Atlantic Arctic: low isotopic nitrogen (y-axis) shows their position doi.org/10.1016/j.ec...
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Blue whale news @bluewhalenews.bsky.social · 25/09/2026
New paper: monumental new compilation of blue whale strandings from antiquity to the present, led by Kristina Randrup and @trevorabranch.bsky.social. We found 541 reported records of which 303 were verified as blue whales with high certainty doi.org/10.1111/mms....
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IUCN SSC Shark Specialist Group @iucnshark.bsky.social · 25/09/2026
NEW PUBLICATION ALERT | 259 important shark, ray, and chimaera habitats mapped across North America and the Caribbean New additions to the global ISRA eAtlas reveal major migration corridors, nursery grounds, and aggregation sites across Atlantic, Caribbean and Pacific waters.
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Blue whale news @bluewhalenews.bsky.social · 24/09/2026
Blue whales in the North Atlantic have distinct "arch" and D-calls that are audible to humans and differ from their songs. In the Gulf of St Lawrence, D-calls are about 4 times more common. While song is male-only, arch and D-calls are produced by both sexes doi.org/10.1109/CAOS...
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Mongabay @mongabay.com · 22/09/2026
Once facing steep declines from fishing gear and habitat loss, the Mekong’s Irrawaddy dolphins are showing signs of recovery. With six calves born this year, Cambodia's population has risen to 118, offering cautious hope for the sacred species if protection efforts continue. Eung Sea reports.
mongabay.cc
Mekong’s Irrawaddy dolphins find cautious hope amid a river in crisis
KAMPI, Cambodia — At nine in the morning, the sun beats down on the Mekong River as Heang Koeurn turns off the motor of his boat and bobs on the water. He has done this every morning for 11 years,…
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Behavioral Ecology @behavecol.bsky.social · 20/09/2026
📢 The new issue of Behavioral Ecology is out! 📢 Volume 37, Issue 5, September/October 2026 Read about all new research here ⬇️ academic.oup.com/beheco/issue... Cover set up by Viktor Storozhuk. Regular monitoring camera trap, FSBI ‘Land of the Leopard’ #Behavior #Ecology #Animal
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NOAA Fisheries @fisheries.noaa.gov · 18/09/2026
Exciting news in Hawaii: Partners spotted two endangered false killer whale calves this year! The main Hawaiian Islands insular false killer whale population is endangered, and only 10 calves have been documented since 1999. That makes two new calves doubly thrilling! bit.ly/3VABfzM
A dark grey endangered false killer whale calf swims alongside an adult along the ocean surface, with water droplets splashing above them.
A false killer whale calf crests the deep blue ocean surface beside its much larger mother, who has a notched dorsal fin and is beginning to dive.
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Peter Corkeron @petercorkeron.bsky.social · 18/09/2026
Thoughtful piece in @thefridaytimes.bsky.social by Dr. Intikhab Ulfat on #whaling in Iceland "It will show how a society can retain respect for its maritime history while deciding that history does not impose an obligation to repeat every practice inherited from it" 🐳🌍🦑
thefridaytimes.com
The Last Harpoon? Iceland Confronts The Future Of Commercial Whaling
Governments contemplating the termination of any legal industry have an obligation to think about transition, retraining and alternative employment rather than
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Emma Vogel @efvogel.bsky.social · 17/09/2026
I love visuals that bring data to life, so I was very excited when I was asked to create animations for the @uitnorgesarktiske.bsky.social Museum showing the transatlantic scale of humpback whale migrations! This is just a subset of the data I am working with for @bioprotectproject.bsky.social🐋🌍🧪🌊
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Convention on Migratory Species (CMS) @cms.int · 03/09/2026
The 30th Meeting of the @ascobans.bsky.social Advisory Committee concluded today. 50 participants adopted 40 action points, recommendations and decisions for the conservation of cetaceans in the Baltic, North-East Atlantic, Irish & North Seas. 🐬 Learn more: www.ascobans.org/meeting/ac30
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Peter Corkeron @petercorkeron.bsky.social · 03/09/2026
Excellent article in the @mainemorningstar.com about the @golden.house.gov bill to delay #rightwhale protections until 2035 "The Maine Lobstermen’s Association celebrated the bill’s passage." ."..Executive Director Patrice McCarron called it a “major step forward for Maine lobstermen.”" 🐳🌍🦑 1/4
mainemorningstar.com
Lobstermen buoyed by US House passage of Golden bill to pause right whale protections until 2035 • Maine Morning Star
The U.S. House of Representatives Tuesday passed a bill to extend the pause on federal lobster rules in a 219-196 vote.  If passed by the Senate, the bill — introduced by Reps. Jared Golden (D-Maine) ...
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Peter Corkeron @petercorkeron.bsky.social · 28/08/2026
More frightening H5 news - it's now been detected in a dead dolphin in South Australia By @wardagius.bsky.social on @news.abc.net.au h/t @euanritchie.bsky.social 🐳🌍🦑
abc.net.au
Breaking: First H5N1 bird flu detection confirmed in Australian dolphin
South Australian authorities confirm the country's first H5N1 bird flu in a common dolphin, which was found dead on the Fleurieu Peninsula.
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Stephanie Stack @stephaniestack.bsky.social · 28/08/2026
Sharing our latest paper, based on lead author Isabel Taylor’s honours project. Congrats, Isabel! onlinelibrary.wiley.com/doi/10.1111/... #marmam
onlinelibrary.wiley.com
Comparing Drone and Vessel‐Based Imaging to Quantify Epibiont Coverage on Humpback Whales
Cetacean epibionts offer noninvasive insights into host health, physiology, and spatial ecology, yet quantitative assessments in wild populations remain scarce. Although vessel-based observations may...
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Athena @athenabrown.bsky.social · 27/08/2026
Pleased to share our new paper is out! 🎉 We looked at how humpback whale songs changed across two decades in the Cook Islands migratory corridor 🐋🎵 Read here: doi.org/10.1016/j.an... @rconstantine.bsky.social @ellengarland.bsky.social @asab.org @animbehsociety.bsky.social
doi.org
Redirecting
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Peter Corkeron @petercorkeron.bsky.social · 25/08/2026
Disheartening. Piece by Johnny Sturgeon in @insideclimatenews.org E.g. for ropeless gear & #rightwhales "While NOAA has claimed it will continue to promote and research such gear inventions, it is pushing to make implementation optional for fishermen or even halt the program altogether" 🐳🌍🦑
insideclimatenews.org
NOAA’s New Priorities Put Profits Ahead of Marine Protections - Inside Climate News
The agency directed the nation’s regional fisheries councils to scrap certain marine protected areas, remove species from conservation lists and expand commercial fishing operations.
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Alan McElligott @amcell.bsky.social · 24/08/2026
2026. Animal Social Network Structures Across the Fast-Slow Continuum onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
Animal Social Network Structures Across the Fast‐Slow Continuum
Using a mathematical model, we examine how the rate of demographic replacement (represented by generation time) influences emergent social network structure in natural populations. By considering a r...
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Royal Society Publishing @royalsocietypublishing.org · 23/08/2026
Female sperm whales form large groups which usually contain between ten and one hundred members. New research in #BiologyLetters studies the costs and benefits of group size for sperm whales of the open ocean: doi.org/10.1098/rsbl... #ecology
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Luke Rendell @lrendell.bsky.social · 22/08/2026
New paper: Classifying bioacoustic data without individual call annotations using temporal convolutional networks and feature extractors - first (but not last!) PhD paper from @garrobe.bsky.social 🥳 pubs.aip.org/asa/jasa/art... @seamammalresearch.bsky.social 🐋🦑🧪
pubs.aip.org
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Luke Rendell @lrendell.bsky.social · 21/08/2026
New paper! Costs and benefits of group size for sperm whales of the open ocean royalsocietypublishing.org/rsbl/article... w/ Hal Whitehead, Sam Walmslsey and @anaeg.bsky.social 🐋🦑 @seamammalresearch.bsky.social
royalsocietypublishing.org
Costs and benefits of group size for sperm whales of the open ocean
Abstract. Individual feeding success can change with the size of a social group through competition, cooperation, recruitment and other processes. Female s
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Royal Society Publishing @royalsocietypublishing.org · 21/08/2026
Narwhals have two maxillary teeth. In males, the left tooth erupts to become a long, spiralled, protruding tusk. A new #JRSocInterface study finds that the chemical composition of narwhal tusk and tooth is impacted by geographical locality: doi.org/10.1098/rsif... #biomaterials
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David N. Thomas @dnthomas01.bsky.social · 20/08/2026
Giant whales move into Greenland waters as Arctic sea ice disappears due to #climatechange Link to article: www.bbc.co.uk/news/article...
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Peter Corkeron @petercorkeron.bsky.social · 18/08/2026
On #whaling: Intriguing documentary on the Norwegian industry Featuring @jromanvt.bsky.social being wise, as usual. At 49:17, Norwegian whaling explained by Lars Walløe: "a kind of self determination" Made by: the Endangered Species Protection Agency: www.speciesprotection.com 🐳🌍🦑
whalewashfilm.com
Watch the film
Whale Wash is an investigative documentary film exploring the modern Norwegian whaling industry and why whaling still exists in the 21st century.
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Henry Slesser @hslesser.bsky.social · 15/08/2026
New Paper out! 🐋 What can whale blubber tell us about their reproduction? We combine DNA, hormones and century-old historical records to investigate sex ratio, pregnancy status and male reproductive condition in humpback whales foraging in the southwestern Atlantic (doi.org/10.1111/mms....
doi.org
Sex Ratio, Pregnancy Status, and Blubber Testosterone Concentrations of Humpback Whales (<fc><fi>Megaptera novaeangliae</fi></fc>) on Foraging Grounds in the Southwestern Atlantic
Click on the article title to read more.
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Trevor A. Branch @trevorabranch.bsky.social · 14/08/2026
Baleen whales today display gigantism compared to the fossil record: seven species are bigger than anything in the past AND none are shorter than 6 m (which were very common in the past). Me: killer whales appeared 2.5-3.5 mya... Figure (Slater et al.): royalsocietypublishing.org/rspb/article...
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Peter Corkeron @petercorkeron.bsky.social · 14/08/2026
I've had a new paper published on shipping collisions with North Atlantic #rightwhale, based on analysis of strikes on several whale species. In @esr-ir.bsky.social www.int-res.com/articles/esr... The work was supported by @peer.org TL;DR - huge vessels matter. A lot. 🐳🌍🦑🧪
Figure 1b from the paper, showing the relationship between vessel speed and probability of a lethal strike on large whales. Coloured lines indicate the fit of the  binomial GLM fit to the data. Shading indicates 95% confidence intervals. NOte that only the model fits for "S" and "XL" vessels should get much credence. Read the paper to understand why.
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Lars Bejder @lbejder1971.bsky.social · 12/08/2026
Will Shrinking Spinner Dolphin Populations Spur More Protections? www.civilbeat.org?p=1801995&ut...
civilbeat.org
Will Shrinking Spinner Dolphin Populations Spur More Protections?
Researchers from the University of Hawaiʻi found that the number of young spinner dolphins is only half of what it needs to be to maintain a healthy population.
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David Shiffman, Ph.D. 🦈 @whysharksmatter.bsky.social · 08/08/2026
An ethogram for the whale shark (Rhincodon typus) with insights into foraging plasticity link.springer.com/article/10.1...
link.springer.com
An ethogram for the whale shark (Rhincodon typus) with insights into foraging plasticity - Marine Biology
Whale sharks (Rhincodon typus) are large filter-feeders that reside in oligotrophic tropical waters. The feeding behaviours that enable these sharks to survive in such nutrient poor environments are…
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Cheryl in Nova Scotia 🇨🇦🍁🍁 @minibubbly.bsky.social · 06/08/2026
Staff at the federal Fisheries Department in #Canada are worried the United States government is about to adopt legislation jeopardizing the survival of the North Atlantic right whale, according to an internal government memo. /1 thread www.ctvnews.ca/climate-and-...
ctvnews.ca
Whale species’ survival jeopardized by bill backed by Donald Trump: internal memo
Staff at the federal Fisheries Department are worried the United States government is about to adopt legislation jeopardizing the survival of the North Atlantic right whale, according to an internal g...
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Blue whale news @bluewhalenews.bsky.social · 05/08/2026
More than a thousand blue whale heart beats measured from new tags with ECGs: heart rate at around 5-8 beats per minute rises to ~22 bpm immediately after a feeding lunge, and then slowly declines while filtering out the krill doi.org/10.1073/pnas...
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Nicola Hodgins @nicolahodgins.bsky.social · 04/08/2026
Our new paper on #Risso's genetics is finally out. Through samples obtained from stranded individuals our results indicated low genetic diversity & a lack of population subdivision among British Risso’s #dolphins 🐬🐬 #science #conservation
cambridge.org
Genetic data indicate a lack of population structure of Risso’s dolphins (Grampus griseus) around the British Isles | Journal of the Marine Biological Association of the United Kingdom | Cambridge Cor...
Genetic data indicate a lack of population structure of Risso’s dolphins (Grampus griseus) around the British Isles - Volume 106
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Maevatiana N. Ratsimbazafindranahaka @rmaevatiana.bsky.social · 04/08/2026
How do humpback whales respond to danger? 🐋 Here's one answer from our latest research, led by Loanne Pichot >>> doi.org/10.1016/j.is...
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Lars Bejder @lbejder1971.bsky.social · 01/08/2026
How off the press: Hollers et al. quantify the energetic consequences of going from rest to non-resting in humpback whales. Super helpful when evaluating impacts of disturbance academic.oup.com/conphys/arti... www.mmrphawaii.org/post/new-pub... @conphysjournal.bsky.social
mmrphawaii.org
New publication: Energetic benefits of resting behaviour in humpback whale mother–calf pairs revealed by biologging and UAS-photogrammetry
We are excited to share our newest publication in Conservation Physiology on humpback whale mother-calf energetics written by PhD candidate Gussie Hollers and coauthors! Link to the full paper: doi.or...
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Proceedings of the National Academy of Sciences @pnas.org · 31/07/2026
When blue whales and humpbacks dive, their heart rates slow as their systems adjust to reduce oxygen consumption. But when they actively lunge, their heart rates rise to power acrobatic sprints to engulf massive volumes of prey-laden water. In PNAS: ow.ly/6Q1o50Zv3oz
Blue whale with a tag attached by a suction cup.
CREDIT: Duke Marine Robotics and Remote Sensing Lab.
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Mongabay @mongabay.com · 31/07/2026
The unexplained deaths of 15 elephants in southern Kenya have raised alarms among conservationists and local leaders. With poaching largely eliminated in the area through community efforts, experts urge continued scientific monitoring as officials work to identify the cause. Lynet Otieno reports.
mongabay.cc
Kenya investigates mysterious deaths of 15 elephants in Amboseli
Kenya Wildlife Service (KWS) is investigating the deaths of 15 elephants in the Amboseli savannah ecosystem, near the border with Tanzania. KWS told Mongabay that some preliminary laboratory…
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joeymaier 🌊 @joeymaier.bsky.social · 30/07/2026
@noaa coverage of new #humpback #whale research Meet Me in the Middle: Humpback Whales Coordinate to Hunt Along the Seafloor share.google/VPJqLsGuC9dQ...
share.google
Meet Me in the Middle: Humpback Whales Coordinate to Hunt Along the Seafloor
New research reveals how humpback whales coordinate their movements and assume complementary roles while hunting sand lance along the Stellwagen Bank seafloor.
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Brandon Moore, PhD @rando.insalubrio.us · 30/07/2026
Newly described Australian fossils tell a wild story: an ichthyosaur ate a pterosaur, then was itself torn to pieces by a pliosaur. This is the first evidence of these three animals interacting within the same food web! 🧪 www.sciencedirect.com/science/arti...
Life reconstruction of the probable trophic interactions identified with the specimen KK F1435 featuring Platypterygius australis, pterosaur (Ornithocheiroidae indet) and Kronosaurus queenslandicus.

Credit: Peter Trusler
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Jaclyn Aubin @jaclynaubin.bsky.social · 27/07/2026
Many thanks to our partners @ibiouwindsor.bsky.social , @raincoast.org , GREMM, MMON, the Wolastoqoyik Wahsipekuk First Nation, and our funders NSERC, the Canada Nature Fund, and the Animal Behavior Society. For more info, check out our press release or reach out! www.raincoast.org/press/resear...
the tail of a beluga diving below the surface of the water
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Alecburslem @alecburslem.bsky.social · 28/07/2026
New paper! Lead author @noemiefreymond.bsky.social used a hybrid approach combining tag data & physical modelling to show that the timing & hydrodynamic effects of bubble releases by sperm whales during drift dives indicate deliberate & active buoyancy regulation, even during sleep.
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Danai Papageorgiou @danaipapageorgiou.bsky.social · 27/07/2026
🧬🐬 Culture may leave a molecular footprint. Our new study on Indo-Pacific bottlenose dolphins @researchdolphin.bsky.social explores how a socially learned behaviour — sponging— may be reflected in DNA methylation. OA: doi.org/10.1098/rstb... Hosted by a Phil Trans B special issue:
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Woods Hole Oceanographic Institution @whoi.edu · 26/07/2026
🦭WHOI researchers are studying the long-term impacts of Weddell seals' extreme pup-training regimen— for both moms and their offspring. 🤿 Dive in with @popsci.com: go.whoi.edu/popsci-pup 📸 courtesy of Luis Huckstadt/University of Exeter under NMFS Permit 19439 & Michele Shero/WHOI
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Stephanie L King @stephanielking.bsky.social · 25/07/2026
Another new paper out this week: A culturally transmitted foraging technique in Indo-Pacific bottlenose dolphins can be predicted by DNA-methylation levels royalsocietypublishing.org/rstb/article...
royalsocietypublishing.org
A culturally transmitted foraging technique in Indo-Pacific bottlenose dolphins can be predicted by DNA-methylation levels
Abstract. Cultural repertoires can influence access to resources and fitness across species, impacting individuals' environmental niches and social network
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Peter Corkeron @petercorkeron.bsky.social · 23/07/2026
Fun @nationalgeographic.bsky.social piece by Melissa Hobson on how #rightwhale mums turn upside-down to regulate their calf's nursing. From a paper by Renae van Noort, @katesprogis.bsky.social , Barbara Stewart & Fredrik Christiansen: @uwaoceans.bsky.social & @marinemammalsau.bsky.social 🐳🌍🦑🧪
nationalgeographic.com
Scientists finally have an explanation for this weird whale behavior
Mother right whales were captured in a rare video with their bellies up. It could be a sign they need a break.
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Ferwen @ferwen.bsky.social · 19/07/2026
Also, if you love and want to know more about ancient sea reptiles don't miss @tetzoo.bsky.social tetzoo.com/blog/2025/12...
tetzoo.com
Ancient Sea Reptiles Goes to Third Edition! — Tetrapod Zoology
Among my several recently published books is Ancient Sea Reptiles: Plesiosaurs, Ichthyosaurs, Mosasaurs &amp; More , first published by the Natural History Museum in 2022…
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