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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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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

Nearly a Million Dead Fish Wash Up on Louisiana Coast, Commercial Fishing Boats to Blame
Nearly a million dead fish, including redfish and menhaden, washed ashore in southwest Louisiana due to commercial fishing boats dumping an estimated 850,000 fish from their overfilled nets, sparking calls for stricter limits on the state's commercial menhaden fishery.
Abbeville, Louisiana, United States
Outdoor Life

Four dead seals on beach
Four dead seals have washed up on a beach in Trinidad, California, with locals noting an unusual occurrence as they have not seen this many washed up at once in recent years.
Trinidad, California, United States

Local Animal Rescue Group Sees Influx of Sea Lions Suffering From Potentially Fatal Bacteria Infection
A local animal rescue in Northern California warns of a surge in sea lions with a potentially fatal bacterial infection, leptospirosis, and advises dog owners to keep pets away.
Northern California, United States
Lost Coast Outpost

H5 avian influenza detected for the first time in elephant seals
NewsDesk @bactiman63 The National Agri-Food Health and Quality Service (Senasa)  confirmed new cases of Highly Pathogenic Avian Influenza (HPAI) H5 detected in marine mammals in Comodoro Rivadavia, Rada Tilly and Punta Tombo, Chubut. The agency’s National Laboratory diagnosed new samples positive for the disease, which were taken from sea lions and elephant seals found dead in the aforementioned places. Based on notification, […]
Comodoro Rivadavia, Chubut Province, Argentina
Outbreak News Today

‘Unusual’ number of dead sea lions show up on Sonoma County beach
The sea lions vary in decomposition. Several had their bones exposed Monday afternoon.
Bodega Bay, California, United States
Santa Rosa Press Democrat

Dead humpback whale calf washes up near Juneau, may have been struck by vessel
A dead humpback whale calf named Tango was found washed up near Juneau, Alaska, and an investigation is underway to determine if it was struck by a vessel.
Juneau, Alaska, United States

Mystery mass death of seals on remote, uninhabited Siberian island under investigation
Tyuleniy Island, also known as the ‘Island of the Seals,’ is located in the Sea of Okhotsk and is an important breeding ground for northern fur seals (Callorhinus ursinus). More than 300 northern fur seals and Steller sea lions have been found dead in a mystery mass die-off on a small, uninhabited island in Siberia.
Tyuleny Island
TodayHeadline

NOAA seeks public’s help on Steller sea lion killings in Copper River Delta
Biologists with NOAA Fisheries Alaska region have been conducting survey work in the area since mid-May and have so far found 22 Steller sea lions and one harbor seal dead. Necropsies performed on the animals have shown gunshot wounds and other human interactions as the cause.
Cordova, Alaska, United States

A temporary ban on salmon fishing was introduced in Chukotka
A temporary ban on all salmon fishing has been implemented in Chukotka, Russia due to declining salmon populations.
Anadyr, Chukotskiy Avtonomnyy Okrug, Russia
Prochukotku.ru

Dead beluga whales and walruses washed ashore in the estuary near the capital of Chukotka
Dead beluga whales and walruses have been found washed ashore in the estuary near the capital of Chukotka, with the cause of death currently unknown.
Anadyr, Chukotskiy Avtonomnyy Okrug, Russia

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

What is the reason for large numbers of dead bees spotted in Inverness?
The spectacle of "hundreds" of dying or dead bees along the River Ness earlier this week led to a discussion on social media.
Inverness, Scotland, United Kingdom
Inverness Courier

Bird flu outbreak hits Barents Sea coast
Reports are coming in about hundreds of dead birds from Hammerfest in the west to Murmansk in the east. A zone with a radius of five kilometers is closed and guards are in place round-the-clock.
Vidyayevo, Murmansk, Russia
The Independent Barents Observer

Avian influenza outbreak in Finnmark: a natural and environmental disaster
Avian influenza has now been detected along the entire coast of Finnmark. In Vadsø, the disease has not yet been detected, but almost 800 dead birds have already been removed. See video.
Vadsø, Finnmark Fylke, Norway
NRK

N.W.T. bison anthrax outbreak grows to 27 dead animals
This is the ninth outbreak in the territory since 1965. About 60 bison died in an outbreak in Wood Buffalo National Park last year. More than 300 died in the territory's largest outbreak in 2012. Bison can become infected with anthrax while grazing or taking dust baths.
Fort Smith, Northwest Territories, Canada
CBC

Quarantine for bird flu was re-established in Syktyvkar
In Syktyvkar and Syktyvdin of the Komi Republic, quarantine for bird flu was reintroduced. The decree on the establishment of restrictive measures in certain territories of the Syktyvdinsky district and Syktyvkar was signed by the head of the republic, Vladimir Uyba. Quarantine has been in effect since July 5.The focus of bird flu was the territory of the rural settlement "Zelenets" of the Syktyvdinsky district. The hearth is located on the banks of the Vychegda River, opposite the village of Koytybozh.The place is forbidden to visit outsiders, except for specialists and local residents. The import, export and slaughter of birds are prohibited in this territory.
Vychegda River, Russia
Известия

Unusual bird sighting. Is it an alcid?
This bird was a noticed on the beach landing area of the community but not touched.
Port Heiden, Alaska, United States
Kathy Kuletz, Jaclyn Christensen, Gay Sheffield

Hundreds of seagulls found dead in suspected bird flu outbreak
Hundreds of seagulls were found dead in Kalmar, Sweden due to a suspected outbreak of H5N1 bird flu, with low risk of transmission to humans.
Kalmar, Sweden

Thousands of fish wash up on Texas beach
NATIONThe Dallas Morning News Thousands of dead fish were found laying
Lake Jackson, Texas, United States

State wildlife officials trying to revive Southwest Alaska caribou killed almost 100 brown bears in less than a month
A total of 94 brown bears, five black bears and five wolves were killed in the program that began May 10 and ended June 4, the Alaska Department of Fish and Game said this week. That’s more than four times the number biologists predicted would be taken. State biologists also say disease and changing food supplies might be a bigger factor overall.
Dillingham, Alaska, United States
Anchorage Daily News

ADF&G dispatches rabid moose roaming through Teller
A moose that was killed in Teller last week had been infected with rabies, the Alaska Department of Fish and Game confirmed.
Teller, Alaska, United States
The Nome Nugget

Dead fish washing up on shores of Lake Washington
The Washington Department of Fish & Wildlife said the fish are yellow perch, which are common in the lake.
Hunts Point, Washington, United States
KIRO 7 News Seattle

Avian Influenza suspected on Yukon Delta
Dead birds suspected to have died from Highly Pathogenic Avian Influenza have been found on Kigigak Island and Tutakoke River in Alaska, with other bird species displaying unusual behaviors.
Kigigak Island and Tutakoke River, Alaska, United States
January Frost, Bryan Daniels, Andrew Ramey, Bob Gerlach, Brian Lefferts, Sarah Yoder, Jacqualine Schaeffer, Joey Billy, John Stedman

Avian influenza detected on kittiwakes in Harstad
Kjell Arvid Andersen thought the birds were behaved strangely. Then he and his neighbors found over 30 dead birds.
Nordre Leirvåg - Bjarkøy, Harstad, Troms and Finnmark, Norway
NRK

First bird flu casualty detected in Southwestern Alaska pending confirmation
As of June 1, laboratory testing was still underway and had not yet fully confirmed which variant of Highly Pathogenic Avian Influenza the migratory bird had, and there are other possible detections this year, according to Alaska State Veterinarian Dr. Robert Gerlach.
Southwestern Alaska, United States
KYUK

Significant reduction of frog and bird songs
This is the quietest spring I’ve experienced. It’s not my hearing. The Merlin app is hardly picking any bird songs up.
Ely, Minnesota, United States

Haddock is overfished off New England, regulators say, as they cut quotas
However, numerous fishermen say the assessment of a decline in the stock doesn't match what they're seeing on the water, where haddock appear to them to be plentiful.
Portsmouth, New Hampshire, United States
Press Herald

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