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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

Youngest North Coast Condor Dies of Lead Poisoning
B7, the youngest member of the North Coast condor flock, has died from lead poisoning, marking the first fatality in a Yurok Tribe-led restoration program. The incident underscores the ongoing threat of lead contamination in the wild.
Bald Hills, California, United States
North Coast Journal

Storm inundates Northern California with rain, heavy snow. Thousands remain in the dark in Seattle
A powerful storm has caused significant flooding, landslides, and power outages in Northern California, affecting areas like San Francisco, while Seattle faces extended power outages.
Northern California, United States
CTVNews

‘Bomb cyclone’ threatens Northern California and Pacific Northwest
The areas that could see particularly severe rainfall as the large plume of moisture heads toward land will likely stretch from the south of Portland, Oregon, to the north of the San Francisco area.
San Francisco, California, United States
Anchorage Daily News

250,000 birds euthanized in Petaluma due to bird flu
Avian influenza or “bird flu” is hitting Bay Area poultry farms hard, with a quarter of a million birds euthanized in Sonoma County this week alone. Mike Weber, the co-owner of Sunrise Farms in Petaluma, says around 82,000 of his egg-laying chickens had to be euthanized after birds started testing positive for avian flu.
Petaluma, California, United States

‘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

Salmon fishing banned along California coast as population plummets
It’s only the second time in history that the ocean salmon fishery has been closed in California, and the decision reflects a major decline in fish populations after the state’s driest three-year period on record.
Bolinas, California, United States
Los Angeles Times

Why ‘tens of thousands’ of fish are dying in the Bay Area
Local officials and scientists have yet to nail down how many fish have died, but the reports have been coming in non-stop since Friday.
San Francisco, California, United States
SFGATE

Are ills of the Arctic hitting California? Hundreds of migratory seabirds wash ashore
Over the last two years, more than 500 northern fulmars were found sick or dead along the Sonoma and Mendocino coasts. What is ailing these seabirds?
Point Arena, California, United States
Los Angeles Times

Dry Well? Report your household water shortage to the state
Evidence of severe drought is all around us.  As of Thursday morning, Clear Lake sat at -1.62 feet Rumsey.  Many boat ramps have closed.  Water availability has become a matter of significant state…
Lakeport, California, United States
Lake County Record-Bee

5th dead whale found in less than month near San Francisco Bay
The carcass of a 41-foot adult female gray whale landed at San Francisco’s Crissy Field on March 31. A second adult female was found April 3 at Moss Beach in San Mateo County. A third was found April 7 floating near the Berkeley Marina and the following day another at Muir Beach. A video of the fifth dead whale was posted on social media Friday.
San Francisco, California, United States
Santa Rosa Press Democrat

Four gray whales have been found dead in California's Bay Area within eight days
The carcasses of four gray whales have been found around the San Francisco Bay Area in eight days -- an alarming string of deaths that constitutes an unusual mortality event, defined by the National Oceanic and Atmospheric Administration (NOAA) as a significant die-off of a marine species.
San Francisco Bay Area, California, United States
CNN News

A gray whale carcass washed ashore at S.F.'s Crissy Field
A gray whale carcass washed ashore at Crissy Field on Wednesday morning. Veterinarians and biologists from the center and from the California Academy of Sciences plan to perform a necropsy in coming days on the island to determine the cause of death.
San Francisco Chronicle

Heat wave brings record-breaking temperatures to Sonoma County. Here's how long it will last
At 97 degrees, Tuesday was the hottest day of the year in Santa Rosa, breaking the 1974 record high for May 26.
Santa Rosa, California, United States
Santa Rosa Press Democrat

Wild Animals Reclaim San Francisco and LA After Cities Empty Over COVID-19
As California streets empty under the stay-at-home measures to “flatten the curve” of the novel coronavirus outbreak, wild animals have come to reclaim their domain.
The Daily Beast

Mass Worm Stranding
"I saw thousands of these on Drakes Beach on Dec. 6, after the recent storm. What happened?" David Ford
Drakes Beach, Point Reyes National Seashore, California, USA
Bay Nature

California fires see 200,000 evacuated while 3 million may lose power
For the third year in a row, an enormous wildfire is destroying homes and properties in California, with smaller fires raging elsewhere in the state.
Sonoma Valley, California, USA
New Scientist

Researcher discovers mussels on California coast were cooked to death in heat wave
Massive amounts of the mussels clinging to the rocky shores and cliffs of the Bodega Marine Reserve were cooked in the June heat wave.
Bodega Bay, California, United States
SFGate

Two dead gray whales in San Francisco Bay spur investigation
The Marine Mammal Center and California Academy of Sciences are reporting cause of death for one.
Tiburon, California, United States
Marin Independent Journal

Potentially deadly infection hits California sea lions
A rescue center says California sea lions are coming down with a potentially fatal bacterial infection in near-record numbers.The Marine Mammal Center in Sausalito says more than 220 sea lions rescued this year have been diagnosed with leptospirosis.
Sausalito, California, United States
ABC News

Slow going in fight against deadly fires in California
The wind known as the Diablo is picking up again, the air is dry, there is no rain in sight and the killer wildfires that have scorched the wine country of Northern California remain almost completely uncontained. Officials warned Wednesday that some of the big fires could merge. Amid these grim bulletins, the huge utility company PG&E acknowledged that the extreme winds late Sunday and early Monday had knocked trees into power lines in conditions conducive to wildfires.
North Bay, California, United States
GoErie.com
Cleve R. Wootson Jr., Kristine Phillips, Joel Achenbach - The Washington Post

Wildfires in Northern California Kill at Least One and Destroy 1,500 Buildings
Mass evacuations were ordered in what is being called one of the most destructive fire emergencies in the state’s history.
Glen Ellen, California, United States
The New York Times
Thomas Fuller, Jonah Engel Bromwich and Daniel Victor

San Francisco sets all-time heat record downtown at 106 degrees during hottest recorded summer
According to the National Weather Service, 36.5 million residents, 98% of Californians, are under a heat advisory Friday as a high-pressure system broils the state from the Oregon to Mexico borders.
latimes.com

Salinity and leopard shark mortality in San Francisco Bay

Leopard sharks dying by the hundreds in San Francisco Bay
Alameda, California, United States
SFGate

California Sea Level Could Rise 10 Feet By End Of This Century
San Bruno, California, United States
The Huffington Post

Seafood's new normal: An ecosystem at risk
Special report: A huge disruption to California's coastal ecosystem is under way after several years of unusually warm ocean conditions and drought.
Northern California Coastal Areas
The San Francisco Chronicle

Hiker encounters 2 mountain lions on popular trail
Sightings of wild animals increase as humans shelter in place

Are ills of the Arctic hitting California? Hundreds of migratory seabirds wash ashore
Over the last two years, more than 500 northern fulmars were found sick or dead along the Sonoma and Mendocino coasts. What is ailing these seabirds?
Bodega Bay, California, United States
Los Angeles Times

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