LEO Network

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

Debris Flow Event
The debris flow event at Ring Creek FSR highlights the importance of monitoring due to its potential impact on downstream communities, despite the presence of a debris flow barrier.
Ring Creek FSR

Rare leatherback sea turtle spotted in B.C. waters in once-in-a-decade sighting
A leatherback sea turtle was filmed near Haida Gwaii on July 14, marking the first verified sighting in B.C. waters in 2025.
Haida Gwaii, British Columbia, Canada
CHEK News

Snakes appear in the Russian north as the Arctic warms
Climate change has led to sightings of species like the European adder, spiders, and herons beyond their typical range in the Russian Arctic.
Taimyr–Central Siberia
ArcticToday
Elizaveta Vereykina, The Independent Barents Observer

More people contact us about viper bites
A Norwegian viper.snake (European adder) can make individuals very ill while others do not notice anything, Viper bites have doubled from 2022 to 2023 in the month of May in Norway.
Norway
NRK

The wall lizard invasion of Vancouver Island
Decades ago, wall lizards from the Mediterranean got a toehold near Victoria. Now they’re island-hopping.
Port Alberni, British Columbia, Canada
Macleans.ca

He has lived for 74 years – for the first time the river is dry
Extreme drought in the west means that households with private waterworks are out of water. Elvar's dried up. "The situation is very serious," he says.
Skinlo, Breim, Vestland, Norway
NRK

Largest cold-stunned sea turtle event in recorded history
Preliminary numbers say this was the largest cold-stunning event in recorded U.S. history.
Coastal Texas, United States
kiiitv.com

Seiners in Southeast Alaska rescue an unlikely hard-shelled visitor
A fishing crew near Prince of Wales Island recently made an unusual catch: a Pacific green sea turtle. This not only excited the crew, but has also caught the attention of marine biologists.
Ketchikan, Alaska, United States
Alaska Public Media

Invasive lizard species spotted in Georgia
The South American lizard, which can grow up to 4 feet long, poses a threat to protected native wildlife, including American alligators and gopher tortoises.
Reidsville, Georgia, United States
KMBC

Invasive Common Wall Lizard Continues to Spread, Saanich
I have lived along Epsom Drive, between Cedar Hill Golf course and Cedar Hill Road for 22 years. I have seen a common wall lizard once, in late spring of 2020 at our address.
Victoria, British Columbia, Canada
Cody Thomas, Dionne Sanderson, Eva Gribbon, David Oswald

Snake encounter in January
The earliest I have ever seen the cormorant snake has been around the first week of April. I could never imagine meeting snakes in January.
Svartevatnet, Sogn og Fjordane, Norway
NRK
Ina Christin Løvseth, Ola Weel Skram, RoyRaasholm Fauske

Hypothermic tropical sea turtle rescued from waters near Port Alberni
A weak and hypothermic sea turtle is recovering after being rescued near Port Alberni.It’s the fourth olive ridley sea turtle on record in B.C. waters
Port Alberni, British Columbia, Canada
Times Colonist

Snake has woken early from winter hibernation
Snake wakens early from winter sleep. He is a sure spring sign, but is not happy in February. If you see a viper at this time of year, then there may be several snakes in the vicinity.
Berle, Sogn og Fjordane, Norway
NRK Sogn- og Fjordane

Australians could find crocodiles, snakes in ‘unexpected places’ after floods, officials warn
Townsville, Queensland, Australia
Washington Post

Hundreds of apparently 'flash-frozen' turtles wash ashore in New England
Robert Prescott, of the Wellfleet Bay Wildlife Sanctuary, believes a warming trend allowed the turtles to delay their migration south.
Cape Cod, Massachusetts, United States
the Guardian

Remote Hawaiian island vanishes underwater after hurricane
East Island, a strip of gravel and sand northwest of Honolulu, "appears to be under water" after Hurricane Walaka surged past Hawaii, officials said.
East Island, Hawai'i
USA TODAY

The seaweed deluge hitting Caribbean shores
Sargassum, a type of seaweed, is creating problems as it washes up across the Caribbean.
Caribbean Shores
BBC News

Florida Algae Blooms Send People to Hospital, Kill Marine Wildlife
Nearly 4,000 dead fish were counted on Sanibel area beaches and parks.
Saint Lucie River, Florida, United States
The Weather Channel

Nearly 300 Sea Turtles Dead as Red Tide Plagues Southwest Florida
Hundreds of sea turtles have washed up dead along the southwest Florida coast as an ongoing red tide event persists in the waters. The Florida Fish and Wildlife Conservation Commission has logged 287 sea turtle deaths since the virulent algal bloom started in October, the Associated Press reported.
Southwest Florida coast, United States
EcoWatch

Almost every part of Canada’s largest national park is deteriorating
The report on Wood Buffalo National Park says industry, dams, climate change and natural cycles are sucking the lifeblood from the vast delta of northeastern Alberta's Peace and Athabasca rivers
Wood Buffalo National Park
National Post

Those turtles and iguanas aren’t dead. They’re just really cold.
Cold temperatures have started the Fall of the Iguanas and the immobilization of sea turtles, whose bodies have a hard time adjusting to the change in water temperature.
West Palm Beach, Florida, United States
miamiherald

Paper Mill Dam: Swimming Hole Monitoring
Paper Mill Dam, Port Alberni, British Columbia, Canada

400 turtles found mysteriously dead off El Salvador coast
Hundreds of endangered dead sea turtles have been found floating off El Salvador's Pacific coast under mysterious circumstances, with authorities unable to determine what caused their demise.
La Libertad, La Libertad, El Salvador
The Weather Network

Dead Anaconda (Eunectes)

Leaping lizards! Victoria under invasion
Victoria, British Columbia, Canada
Times Colonist

Yukon species list shows climate change in action
A big emphasis in the last few years has been updating and adding to the list of species known to occur in the Yukon.
This past year, a whopping 1,973 species of plants, insects and animals have been added.
Whitehorse, Yukon, Canada
CBC News

Amazon Deforestation, Once Tamed, Comes Roaring Back
"A decade after the “Save the Rainforest” movement captured the world’s imagination, Cargill and other food giants are pushing deeper into the wilderness."
Coari, Amazonas, Brazil
HIROKO TABUCHI, CLAIRE RIGBY and JEREMY WHITE

Logging Crew Mobilizes Near Irreplaceable Wetland, Slated for Site C Flooding
Watson Slough, Peace River region
DeSmog Canada

Leatherback (Dermochelys coriacea) Sighted
A salmon troller saw a leatherback turtle in the summer of 2015.
Southeast Region, Alaska, United States

The warm ‘blob’ in Canada’s Pacific Ocean
Last year, 2014, was the hottest year ever recorded on Earth. Unlike other worldwide problems from which Canadians might feel relatively safe and isolated, but Canada is actually ground zero of global climate.
Gulf of Alaska / Northeast Pacific
Times Colonist

Uruguay trying to determine the death cause of 600 Magellan penguins
Authorities in Uruguay say they have found about 600 dead penguins washed up on the Atlantic coast since Saturday. Experts are trying to determine what has killed the sea birds.
Piriápolis, Maldonado, Uruguay
MercoPress

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