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Study reveals 30% decline in Alaska humpbacks in last decade

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Study reveals 30% decline in Alaska humpbacks in last decade


By Anna Canny, KTOO Public Media

Updated: 1 hour ago Published: 1 hour ago

Wildlife biologist Janet Neilson keeps a close eye on Alaska humpbacks. For the National Park Service whale monitoring program, she keeps a count of the whales that migrate up from Hawaii to feed in Glacier Bay and Icy Strait every summer.

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During the summers between 2014 and 2018, she and researcher Chris Gabriele, who has led the park’s monitoring program for three decades, noticed something was off.

“Young whales, calves went missing. We had whales in the prime years of their lives go missing. And we certainly had some older whales go missing as well,” Neilson said. “But it really seemed like it hit all the whales.”

Neilson is one of 75 co-authors on a new study, which finds that almost 7,000 North Pacific humpbacks went missing between 2012 and 2021 — a 20% drop-off from the peak population of more than 33,000. Researchers believe they starved to death during the record-setting marine heatwave known as “the blob.”

Naturalist Ted Cheeseman is the one who brought all the whale researchers together. He’s the founder of Happy Whale, a photo database that uses artificial intelligence to quickly identify individual whales by the unique black-and-white patterns on the underside of their tail fins, or flukes. With Happy Whale, Cheeseman set out to do a simple population count.

“But when we first saw these numbers, it turned a population study into a climate study,” Cheeseman said.

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That’s because the database revealed a sharp decline in humpbacks that coincided with “the blob,” which spiked ocean temperatures from Alaska to California between 2014 and 2016, killing fish, seabirds and more than 30% of Alaska’s humpbacks.

Climate change may complicate the species’ conservation success story. Back in the 1990s, Cheeseman worked as a tour guide in Antarctica. And he said humpbacks were hard to come by back then.

“We didn’t see many whales at all,” Cheeseman said. “We did, however, visit some of the largest whaling stations that were ever built — you know, they’re factories. Absolutely factories to turn living whales into product.”

Commercial whaling pushed humpbacks to the brink of extinction, but their populations in the North Pacific have boomed since it ended. Humpbacks were taken off the endangered species list in 2016. But around that same time, researcher Heidi Pearson was seeing the whales around Juneau get skinnier and skinnier.

Pearson, who researches at the University of Alaska Southeast, says these whales are usually more adaptable than other marine species. They can travel long distances to find food. And their diet is flexible.

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“So the fact that they still declined due to what we think is lack of prey means that it must have been really bad,” she said.

[Study tracks calls used by endangered Cook Inlet belugas, and human-made noise in their habitat]

She says she still believes in the resilience of humpbacks. But the study’s results make it clear that the species is feeling the pressure of warming driven by the burning of fossil fuels.

“I really learned a lot about the fragility, actually, of the ocean system to this warming,” Pearson said. “Animals and systems are resilient, but clearly during the heatwave they reached this tipping point.”

For Neilson, in Glacier Bay, the decline emphasizes the need to protect humpbacks even when their populations seem healthy. Though they’re recovering in Glacier Bay, she says, they’re still not back to their pre-heatwave levels. And they’re also frequently threatened by ship strikes and entanglements in fishing gear near the coast.

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“It’s important to realize that the whales that we do see out on the water these days are survivors of a major ecological disruption,” Neilson said. “Those survivors deserve protection because more heat waves are coming.”

As those heatwaves come, real-time population monitoring for humpbacks may be more important than ever bef0re. The whales, which are large, coastal animals that are easy to track, can be indicators of overall ecosystem health in a rapidly changing ocean.

[Caribou declines causing angst for Alaska hunters are part of a wider North American trend]

Technology like Happy Whale can help researchers better track whales as they migrate all across the North Pacific. The new study pulled more than 200,000 fluke images from the database, which were collected from researchers and more than 4,000 citizen scientists.

“The scale of problems that our world is facing today within the environmental realm — climate change being the biggest one — they’re only going to be solved by collaboration,” Pearson said. “No one can do it alone, in their one study site.”

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This story originally appeared on KTOO Public Media and is republished here with permission.





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New oil and gas lease sale set for Alaska’s Arctic National Wildlife Refuge, amid litigation

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New oil and gas lease sale set for Alaska’s Arctic National Wildlife Refuge, amid litigation


JUNEAU, Alaska (AP) — The U.S. government plans another oil and gas lease sale for Alaska’s Arctic National Wildlife Refuge — following two prior sales that saw no interest from major oil companies and amid ongoing litigation aimed at blocking drilling in a region seen as sacred by the indigenous Gwich’in.

The sale will be held June 5, the U.S. Bureau of Land Management announced Friday. It would be the first in the region under a law passed by Congress last year calling for four lease sales in the refuge’s coastal plain over a 10-year period. But it would be the third in the refuge overall, following one held near the end of President Donald Trump’s first term that has been tangled in litigation and another in early 2025, shortly before then-President Joe Biden left office, that yielded no bids.

Drilling supporters, including Alaska political leaders, argued last year’s sale was too meager an offering to draw interest.

The upcoming sale also would be the third federal oil and gas lease sale this year alone in Alaska under an aggressive push by the Trump administration to expand development in the state. There were no bidders in a sale last month for the aging Cook Inlet basin, while a lease sale in the National Petroleum Reserve-Alaska — where the large Willow oil project is under development — drew hundreds of bids despite pending legal challenges to the sale.

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Bill Groffy, the land management agency’s acting director, in a statement said the success of last month’s petroleum reserve sale signaled a “robust and continuing demand for Alaskan energy, underscoring the need for more opportunities like the Coastal Plain sale.”

Leaders from Gwich’in villages near the arctic refuge and conservation groups vowed to continue fighting efforts to open the refuge’s coastal plain to drilling. The Gwich’in consider the coastal plain sacred, as it provides calving grounds for a caribou herd they rely on. The plain, bordering the Beaufort Sea in northeast Alaska and featuring rolling hills and tundra, also provides habitat for wildlife including muskoxen and migratory birds.

“The Trump Administration’s relentless push to auction off this sacred land despite overwhelming public opposition and industry that has already signaled they are not interested makes clear that this administration values corporate interests over the rights and lives of Indigenous peoples,” Galen Gilbert, first chief of Arctic Village Council, said in a statement. “We will continue to fight with every tool available to protect the Coastal Plain for our children and all future generations.”

Debate over drilling in the region spans decades.

Leaders of Kaktovik, an Iñupiaq community within the refuge, consider responsible development key to their region’s economic well-being and have welcomed efforts by the Trump administration to open more lands for drilling.

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The Bureau of Land Management has said the coastal plain could contain 4.25 billion to 11.8 billion barrels of recoverable oil, but there is limited information about the amount and quality of oil. Meanwhile, conservation groups see the refuge as the crown jewel of the country’s refuge system and a place that should be off-limits to development. The refuge itself is the largest in the country, covering an area roughly the size of South Carolina.

Andy Moderow, senior director of policy at Alaska Wilderness League, said the planned sale “simply runs counter to common sense.”

“Any oil and gas company that is even thinking about buying these leases should know that, if they do, they will be sending a clear message to the American people that no place in Alaska is too sacred to drill in a quest for corporate profits,” he said in a statement urging companies to sit out the sale.



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Peltola posts massive campaign fundraising, but Republicans maintain cash advantage in Alaska congressional races

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Peltola posts massive campaign fundraising, but Republicans maintain cash advantage in Alaska congressional races


Top row from left, U.S. Senate candidates Dan Sullivan (incumbent) and Mary Peltola. Bottom row from left, U.S. House candidates Matt Schultz, Nick Begich III (incumbent) and Bill Hill. (Photos by Marc Lester and Bill Roth / ADN archive)

Fundraising for Alaska’s U.S. Senate and House races has jumped into high gear, with candidates raising millions of dollars in the latest fundraising round in the lead-up to the November election.

Alaska’s U.S. Senate race between incumbent U.S. Sen. Dan Sullivan and Democratic challenger Mary Peltola is seen as one of a handful of key contests across the country that could determine whether Republicans maintain control of the U.S. Senate in the coming midterm elections.

Peltola hauled in close to $9 million, a record amount for a first-quarter period in an Alaska Senate contest, her campaign said in a statement earlier this week.

Peltola’s fundraising outpaced Sullivan’s by roughly a 5-1 margin, helping give a quick boost to her campaign, though Sullivan has more cash on hand.

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Peltola is a former U.S. House lawmaker from Western Alaska who supported gun rights, ConocoPhillips’ controversial Willow oil project, protections for fish and improvements for Alaska infrastructure.

Sullivan is a second-term senator, former U.S. Marine Corps infantry officer and strong advocate of President Donald Trump who has supported resource development in the state, military expansion and infrastructure improvements.

Recent polls favor Peltola, but Alaska voters typically favor Republican incumbents for federal office.

Sullivan has said he expects to be heavily outspent but plans to prevail, similar to 2020 when he coasted to victory over independent challenger Al Gross, and 2014 when he beat Democratic incumbent Mark Begich.

Peltola’s campaign reported $8.7 million in total receipts for the year’s first three months, according to its filing with the Federal Election Commission.

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The vast majority of contributions, at $7.6 million, came from individuals. The remainder, about $1.1 million, came from political committees, including about $650,000 from committees authorized by Peltola, the report showed.

Peltola, who recently completed the first part of a tour of rural Alaska villages, said in the statement that Alaska fishermen, farmers, teachers, nurses, firefighters and others contributed.

Peltola’s campaign spent about $2.9 million, the report says. About $1.5 million of that went to companies for digital fundraising efforts.

The campaign has $5.7 million cash on hand.

“Alaskans know DC isn’t working for them, and they’re ready for change,” Peltola said in the statement from her campaign. “It’s going to take all of us, but together we’ll take on the rigged system in DC that’s hurting each and every one of these communities. We are going to put Alaska first.”

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The Fish Family Freedom Fund, a political action committee authorized by Peltola that supports her campaign, raised about $845,000 in the quarter, according to its report to the commission.

Peltola’s campaign also received large donations from notable philanthropists and Democratic politicians, such as $7,000 from Gov. JB Pritzker, the Illinois governor and vocal Trump critic.

Several left-leaning political action committees also contributed to Peltola’s campaign, including the Blue Dog Political Action Committee, a group of centrist House Democrats that advocate for fiscal responsibility and on national security issues.

Peltola joined the Blue Dog caucus in 2023, several months after she became the first Alaska Native elected to Congress. She lost the seat in 2024 to Rep. Nick Begich, a Republican, when Trump surged to victory amid lackluster support for Democratic presidential candidate Kamala Harris.

Sullivan’s campaign took in $1.7 million in total receipts, according to its report the FEC.

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Close to half that, or $875,000, were contributions from individuals, the report says.

About $275,000 came from political action committees, and another $530,000 came from political committees authorized by the campaign, the report says.

Sullivan donors included executives from ConocoPhillips, Alaska’s biggest oil producer, such as ConocoPhillips Alaska president Erec Isaacson, who gave $1,000. Chugach Alaska Corporation PAC, a political committee for the Alaska Native corporation in Southcentral Alaska, gave $5,000. Rick Van Nieuwenhuyse, chief executive of Alaska mining company Contango Ore that operates the Manh Choh mine near Fairbanks, gave $3,505.

John Shively, chair of the Pebble Partnership that seeks to open the controversial Pebble Mine, also donated $500, after giving the same amount in the previous quarter. Sullivan has said he opposes the mine.

Also, more than $400,000 was contributed to the Sullivan Victory fund, a Sullivan-authorized political action committee.

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“This historic support sends a clear message: Alaskans know that Dan delivers,” said Nate Adams, the campaign spokesman for Sullivan, in a statement. “From bolstering our Alaska-based military and Coast Guard, unleashing Alaska’s resource economy, and securing historic investments in Alaska’s healthcare system, Senator Sullivan has a proven record of results.”

The Sullivan campaign spent less than $500,000 in the quarter, with a large chunk of that going to companies for fundraising consulting.

The campaign has $7.1 million cash on hand, the report shows.

Begich has cash advantage

In Alaska’s U.S. House race, Begich had more cash in his campaign account at the end of the reporting period than his two challengers combined.

But Bill Hill, an independent former public school educator and commercial fisherman from Naknek, reported raising more than Begich from individual contributions, after entering the race in mid-January.

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Candidate Matt Schultz, a Democrat and a pastor at Anchorage First Presbyterian Church, raised less than the other two candidates.

Begich reported having more than $2.8 million in his campaign account at the end of March, after raising just over $700,000 in the first three months of the year, of which nearly $250,000 came from political action committees. He also received $345,000 in transfers from other committees, including $215,000 from Grow the Majority, a committee seeking to defend Republican control of the House.

Begich used $50,000 in campaign contributions to repay part of a loan he made to his campaign account in 2022. His campaign expenditures during the first three months of the year totaled $363,000, including $50,000 on mailing services and $47,000 paid to WinRed, a Republican fundraising platform.

Hill reported having just under $600,000 in his campaign account at the end of March, after raising $783,000 — the vast majority of which came from individual donors.

Hill’s fundraising far surpassed that of Schultz, the other candidate seeking to unseat Begich, who raised $270,000 during the reporting period and had just under $350,000 in his campaign account at the end of March.

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Hill spent $188,000 during the reporting period, of which $87,000 went directly to Ship Creek Group, a political consulting agency that has worked for high profile left-of-center campaigns in Alaska, including Peltola’s first run for U.S. House.

Schultz spent $143,000.

Spending ramps up

Other political organizations and committees have also announced early spending, leading to a trickle of campaign ads that is set to become a flood as the campaign season heats up.

The leadership PAC for Senate Republicans announced earlier this month that Alaska is among eight battleground states where it will spend money in the coming election cycle. Alaska will see $15 million in spending from the Senate Leadership Fund as part of its effort to keep Sullivan in office.

Last Frontier Action, an organization supporting Sullivan, has also committed to six-figure spending to support Sullivan and run ads against Peltola.

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Majority Forward, an organization supporting Democrats in the Senate, has already begun spending on ads attacking Sullivan.

The National Republican Congressional Committee, which seeks to protect the Republican majority in the House, has begun spending money to defend Begich. Alaska is one of a handful of competitive states where the committee is running ads touting the Republican-backed tax bill that passed last year.





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Wildlife officials intercept 1,600 pounds of illegal shark fins in Alaska

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Wildlife officials intercept 1,600 pounds of illegal shark fins in Alaska


Members of the U.S. Fish and Wildlife Service are being hailed as heroes after seizing thousands of pounds of illegal fish fins.

The U.S. Fish and Wildlife Service (USFWS) is the lead federal agency within the U.S. Department of the Interior for combating wildlife trafficking in the United States.

In October 2025, the agency proved just that, as wildlife inspectors intercepted 1,600 pounds of shark fins while conducting searches in Anchorage, Alaska, according to a statement from the USFWS.

Officials uncovered shark fins worth over $1 million across multiple U.S. ports, starting with a shipment in Anchorage.

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The cargo was disguised as car parts to travel through Alaska, Kentucky and Ohio, and is part of a larger trafficking network, officials stated.

“The coordinated enforcement action was part of Operation Thunder, a global effort to combat illegal wildlife trade,” a statement from the Wildlife Service said.

Officials uncovered shark fins worth over $1 million across multiple U.S. ports, starting with a shipment in Anchorage. U.S. Fish and Wildlife Service

“These weren’t small-time violations,” a statement from the USFWS said.

“This was an organized criminal network exploiting protected species for profit.”

Officers shared a photo of the 26 boxes of shark fins uncovered in disguise.

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Two boxes overflowing with dried shark fins, with a U.S. Fish & Wildlife Service seal in between them.
The cargo was disguised as car parts to travel through Alaska, Kentucky and Ohio. U.S. Fish and Wildlife Service

Most of the fins come from silky sharks and bigeye thresher sharks, both of which are protected species.

According to the USFWS, wildlife trafficking can harm people by increasing the risk of zoonotic diseases and severely impacting food, land and other natural resources that humans need for survival.



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