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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

Flooding, but no damage reported for Yukon Delta coastal communities after powerful fall storm
Communities are tallying up damage from a severe Bering Sea storm that brought flood warnings to a vast swath of Alaska's western coast.
Kotlik, Alaska, United States
Alaska Public Media

Coastal Yukon River faces flood advisory as lower Kuskokwim catalogs flood impacts
Communities along the lower Kuskokwim River and coastal areas in Western Alaska assess damage from recent storms, with flooding and erosion impacting homes and infrastructure, and a new storm potentially exacerbating conditions.
Western Alaska, United States
Alaska Public Media
Sage Smiley, KYUK - Bethel and Evan Erickson, KYUK - Bethel

Unknown plant or fungus observed in cottonwood log
Nobody I have asked has seen any plant like this. I touched it soon after the picture and it turned into a maroon colored powder.
Lower Yukon

Unknown Insect
This eye catching insect is the adult stonefly.
St. Mary's, Alaska, United States

Historic Lower Yukon wildfire forces evacuations from St. Mary’s and Pitkas Point
Two villages along the Lower Yukon River have begun evacuating their most vulnerable residents from a tundra fire.The fire late Thursday was burning less than eight miles from St Mary’s and nearby Pitkas Point, and wind continues spreading the flames closer to the villages with a combined population of over 700 people. Yute Commuter Service is sending all its planes to St. Mary’s to evacuate residents, and Grant Aviation is prepared to assist.
Pitkas Point, Alaska, United States
Anchorage Daily News

7 hunters return home after being stranded on the frozen Yukon River for 7 days. Here's their story.
“The ice was so thick flowing down the river. It was forming so fast. It was freezing so fast. Just amazing. I’d never seen anything like that," one of the hunters, Rex Nick, said.
Emmonak, Alaska, United States
KYUK

Abnormal growth on Inconnu (Stenodus leucichthys)
A tumor is present on the lower jaw of the sheefish (*Stenodus leucichthys*).
Nunam Iqua, Alaska, United States
Jayde Ferguson, Erica Lujan, Jeremy Fitka

Black Patches on Cisco fish (Coregonus autumnalis) appear to be Phaeohyphomycosis
Fish caught while ice fishing has black patches on skin. Appears to be the same black fungal syndrome previously reported in Kipnuk.
Emmonak, Alaska, United States

Exposed Permafrost in Tundra
Permafrost is becoming exposed in Western Alaska, in areas where the landscape transitions to tundra.
Alakanuk, Alaska, United States

Caterpillar Causing Itchy Skin Likely a Rusty Tussock Caterpillar (Orgyia antiqua)
Rusty tussock caterpillars can cause skin irritation for people when handled individually, and are responsible to large defoliation events when populations are high.
Alakanuk, Alaska, United States

Erosion and Weird Growth on Tundra
An unidentified fungus is growing along the eroding coastal bank.
Kotlik, Alaska, United States

Dead Pre-spawned Pink Salmon (Oncorhynchus gorbuscha)
During the summer of 2019, warm water temperatures lowered the amount of dissolved oxygen in rivers and caused salmon across the state, including Mountain Village, to die before they were able to spawn.
Mountain Village, Alaska, United States

Chum Salmon (Oncorhynchus keta) with Twisted Spine
Chum salmon (*Oncorhynchus keta*) caught with a spinal curvature, which may be related to many different factors including genetics, infectious disease, trauma, neoplasm, diet, or changes in the environment.
Mountain Village, Alaska, United States

Sturgeon Caught in Yukon River
Two sturgeon were caught in the Yukon River, farther upriver than has been previously reported.
Mountain Village, Alaska, United States

Dead Chum (Oncorhynchus keta) Salmon Floating in Yukon River
Dead chum salmon have been spotted floating down the Yukon river. Water temperatures are measuring at 70 degrees, the warmest in recollection.
Kotlik, Alaska, United States

Dead Chum Salmon (Oncorhynchus keta), King Salmon (Oncorhynchus tshawytscha), and Whitefish Along Yukon Riverbank
Dead salmon and whitefish found along the banks of the Yukon River.
Alakanuk, Alaska, United States

Flooding in Kotlik
Richard L Thoman Jr, Elizabeth Buckingham, Crane Johnson, Harold Okitkun

Scientists search for cause of ice seal deaths
Around 60 ice seals have been reported dead across northern and western Alaska this month.
The cause of the strandings and deaths is not known.
Arctic Sounder

Dead Moose (Alces alces) Found in Water
Single dead moose found in water, with injury on one side of its abdomen

Hunters stranded on sandbar after falling through Yukon River ice in Western Alaska
The cold and wet hunters built a fire to keep warm until Alaska Army National Guard rescuers arrived hours later.
Anchorage Daily News

Pace of Bering Sea changes startle scientists
Frigid north winds blow down from the Arctic Ocean, freeze saltwater and push sea ice south. The ice normally prevents waves from forming and locks onto beaches, walling off villages. But not this year.
PBS NewsHour

Pike (Esox Lucius) Caught with Pug Head Deformity to Mouth/Jaw
Northern Pike (*Esox Lucius*) caught with "pug head" jaw deformity, usually associated with cold water temperatures during incubation.
Harold Okitkun, Jayde Ferguson, Elizabeth Lindley

Winter storms flood houses in Nunapitchuk and Kotlik
Storms battered the southern Bering Sea and the Yukon-Kuskokwim Delta last month. February storms aren’t unusual, but the amount of rain and flooding is. The combination caused a lot of damage for two communities in the region.
Alaska Public Media

Unusual Flooding in February
A warm winter storm leads to sea ice loss and flooding of homes in Western Alaska. "Damage to the foundation of the homes is all I think happened, besides wet clothing and a few things on the floor."

Jelly-like Meat Texture Found in Ringed Seal (Phoca hispida)
Ringed seal (*Phoca hispida*) found with jelly-like meat texture and thin skin near the armpit and ribcage.
Scammon Bay, Alaska, United States

Porpoise sighted in Pastolik River
Porpoise spotted heading up the Pastolik River

Severely iced-over cellular tower causing service disruptions in Western Alaska
A GCI cell tower in Western Alaska encapsulated in unusually thick ice and snow has caused service disruptions in villages.
Scammon Bay, Alaska, United States
Anchorage Daily News

A tale of two goose populations: Y-K Delta’s shrink, Arctic coast’s expands
Black brant populations are struggling in the species' once-dominant Yukon-Kuskokwim Delta breeding areas, but conditions are better for brant breeding on the Arctic coastline.
Yukon-Kuskokwim Delta, Alaska, United States
Alaska Dispatch News

Community Sick with Spring Flu
Seems to happen same time each year.
Scammon Bay, Alaska, United States
Jennifer Dobson, James Berner, Morgan Simon

Big Blueberries (Vaccinium ovalifolium), Lots of Them
Plants

Dump Fire Raises Wildfire Concerns
Dump and hill fire

Early Blueberries (Vaccinium corymbosum)

Brown Bear (Ursus arctos) Caught in Village
Brown bear (Ursus arctos) caught in village.

Old World Swallowtail (Papilio machaon aliaska) Butterfly
Large Old World Swallowtail Butterfly

Early Rhubarb (Rheum rhabarbarum) Sprout

Moose (Alces alces) Near Village
Moose (Alces alces) near village

Unusual Bird (Lanius excubitor) Sighting
Identification pending.

Unseasonably warm and raining
11-01-14 Unseasonably warm - Pitkas Point, Alaska, USA
Pitka's Point, Alaska, United States

Long-horned Beetle (Monochamus scutellatus)
8-11-13 Long horned beetle - Pitkas Point, Alaska, USA
Pitkas Point, Alaska, United States

Unusual Moose Sighting
It's not common to see animals of any kind, including moose, in the community of Pitkas Point.
Pitkas Point, Alaska, USA

Unseasonable Chum Salmon (Oncorhynchus keta)
4-21-13 Unseasonable chum salmon - St. Mary's, Alaska, USA
St. Marys, Alaska, United States

Yukon River Silvers On Track For Lowest Runs Ever
This season is shaping up to be the worst fall for salmon fishing on the Yukon River in recorded history. It follows the worst recorded summer salmon season ever.
Nunam Iqua, Alaska, United States
KYUK

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