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The LEO Network is a worldwide network of observers and experts that share their observations of environmental change.
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Observations

Anchorage's popular Ship Creek to close to sport fishing for 2 weeks
Ship Creek in Anchorage will be closed to sport fishing for two weeks to support salmon stock sustainability at a local hatchery.
Anchorage, Alaska, United States
Alaska Public Media
Wesley Early, Alaska Public Media - Anchorage

Humpback found dead near Kodiak gets Alaska's first 2023 whale necropsy
A humpback whale found dead near Kodiak Island in Alaska undergoes the state's first whale necropsy of 2023 in an effort to determine the cause of death and understand the shrinking humpback population in the area, with initial findings suggesting the whale may have been struck by a boat.
Kodiak, Alaska, United States
Alaska Public Media

Rare fin whale found dead near Kodiak
A rare, emaciated fin whale was found dead near Kodiak, Alaska, with the local Sun'aq Tribe conducting a necropsy. There isn’t enough data for biologists to declare a trend yet, but these whales are being found on the heels of an unusual mortality event for gray whales in the Pacific Ocean.
Kodiak, Alaska, United States
Alaska Public Media

Sitka team conducts first humpback whale necropsy in 5 years
The Coast Guard reported the dead 47-foot female humpback to NOAA on Sunday evening. It had washed ashore on the south end of Kruzof Island. The whale looked healthy and its belly was full of fish — most likely herring. But they did find some evidence of blunt trauma.
Sitka, Alaska, United States

Southeast Alaska’s budworm infestation is still going, and they seem to be moving on to spruce trees
Last summer’s unusually warm weather fueled an explosion in the western blackheaded budworm, leaving masses of browning trees in many areas of Southeast. The worm, which is the larval stage of the budworm moth, is known to feed on the new growth of trees, leaving them with a brownish-red appearance.
Sitka, Alaska, United States
KCAW - Alaska Public Media

An invasive parasite is taking over Alaska blue mud shrimp. Researchers want to kill it.
Orthione griffenis, or O. griffenis, eventually kills its host shrimp, and soon the remaining shrimp can’t find each other to reproduce, rendering a blue mud shrimp population extinct.
Sitka, Alaska, United States

Tale of two salmon fisheries: Bristol Bay breaks record, but Yukon River collapses
The booming Bristol Bay salmon run has broken the record set just last year, while on the Yukon River, Chinook are too scarce to harvest.
Bethel, Alaska, United States

After a rabid coyote attacked a dog, Quinhagak lifted travel ban for a vet
A decline in caribou abundance is causing coyotes and wolves to come closer to the community of Quinhagak. When a rabid coyote attacked a local dog, it forced the village to bring in a veterinarian from outside the village - and temporarily lift the Southwest community's travel ban.
Quinhagak, Alaska, United States

Biologists hope dead sea lion will provide insight into endangered Aleutian population
Officials have been receiving reports of Steller sea lions hauling out on beaches in poor condition, but have been unable to retrieve the animals for research — largely because they are in remote areas.
Unalaska, Alaska, United States

Low king counts to close Anchor River, Deep Creek to fishing
“The midpoint of the Anchor River king salmon run was extremely late. These fish are really having some odd, unprecedented run timing and behavior."
Kasilof, Alaska, United States

As snow melts, Interior Alaska biologists tally number of winter-killed wildlife
Biologists say the bison population took a big hit this winter. More than a dozen were hit and killed by vehicles because the animals were using roads in lieu of their usual trails, which were covered by deep snow and ice.
Delta Junction, Alaska, United States

A pair of stranded killer whales (and a sick sea lion) has biologists looking for answers
“For the killer whales, I honestly don’t know if this is normal or not,” said Mandy Keogh, the Regional Marine Mammal Stranding Coordinator for NOAA Fisheries in Alaska. Dead killer whales simply aren’t seen that often.

Dead whales wash up near Unalaska, but pandemic complicates necropsies
Two dead whales have washed up on Unalaska's shores in the past week: an adult fin whale — which is the second largest mammal in the world — and a juvenile humpback.
Unalaska, Alaska, United States

Warmer waters believed to be main cause for dead pink salmon in Norton Sound
Norton Sound residents have reported salmon die-offs in unusually large numbers during the last week. According to the Norton Sound Economic Development Corporation (NSEDC), dead pre-spawned pink salmon were found in multiple river systems over the weekend.
Shaktoolik, Alaska, United States

Low sockeye returns prompt commercial fishing closure on the Copper River
"We’re way, well below what we expect to be at this point,” said Jeremy Botz, a biologist with the Alaska Department of Fish and Game. He says so far the entire commercial fleet has harvested around 6,000 sockeye, which is way below what the department anticipated
Cordova, Alaska, United States

Salmon shark stranded near Port Heiden at the end of an unusual summer
Along with significant seabird die-offs near Port Heiden, there have been reports of small whales and porpoises, walrus and sea otters washed up on shore.
Port Heiden, Alaska, United States

Three dead gray whales wash up on Kodiak Island beaches in one week
Three dead gray whales washed up on two different Kodiak Island beaches recently. The strandings happened within the span of a week.
Womens Bay, Alaska, United States

Southeast Alaska researchers get rare opportunity to study a sperm whale
The species has been spotted in the Inside Passage before. But sightings are infrequent. A whale found recently near Juneau is thought to have died from a vessel strike.
Juneau, Alaska, United States

11 endangered sturgeon deaths in a week send B.C. scientists looking for answers
Scientists from B.C.’s provincial government are investigating a spike in dead sturgeons after 11 adult fish were found dead on the Nechako River over the past week.
Prince George, British Columbia, Canada
Glacier Media

Woman found dead in apparent bear encounter outside of Yellowstone National Park
The woman's body was found about eight miles outside the town of West Yellowstone, Mont., a gateway community that borders Yellowstone National Park.
West Yellowstone, Montana, United States
Boise State Public Radio

Distemper Remains Likely Cause of Gulf of Maine Seal Die-Off
Scientists have narrowed down the top likely causes of more than 1,400 seal deaths across New England.
Gloucester, Massachusetts, United States
National Public Radio

The changing nature of Canada's forest supply as fires, bugs, and climate bite
Mills in the heart of Canada's timber industry have fallen quieter this winter as wildfires and infestations made worse by climate change have made vast tracts of once valuable forest into barren stands of dead trees.
Fraser Lake, British Columbia, Canada
Alaska Highway News

Notes from the Trail: Caribou herds cannot withstand many more acts of senseless violence
Late last month, the carcasses of a dozen or more caribou were found along the Tibbitt to Contwoyto winter road by someone who said the slaughter and wastage was an act of disrespect and greed.
Yellowknife, Northwest Territories, Canada
NNSL Media

More than 20 ptarmigan allegedly wasted near Yellowknife
In the wake significant caribou wastage late last month along the Tibbitt to Contwoyto winter road, there is another instance of what appears to be wastage related to ptarmigan. Yellowknife resident Brad Olson shared a social media post earlier this month showing what appears to be almost two dozen birds killed and left to rot.
Yellowknife, Northwest Territories, Canada
NNSL Media

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