San Francisco, CA
Video shows coyote swimming in San Francisco Bay as population grows on Angel Island
It was a sight that prompted even seasoned wildlife watchers to do a double take: A coyote swimming in San Francisco Bay a quarter of a mile off Angel Island.
“I was surprised because it was so far from land,” said California State Parks environmental scientist Bill Miller, who saw the coyote last month while aboard a boat bound for the island.
At first he thought it was a seal or a sea lion. Then he saw the pointed ears.
The canine’s snout sliced determinedly through the water as it dog-paddled along, before eventually turning around and swimming back to Angel Island.
Staff at Angel Island State Park posted a video of the unusual encounter to Instagram, prompting concerned comments from people who assumed the coyote was in distress. Miller had the same thought at first, but the coyote appeared to be a strong swimmer, he said.
In any event, State Parks has a policy of not interfering with wildlife, he said.
This wasn’t the first time a coyote has attempted to make the mile-long trip across Raccoon Strait between Angel Island and the town of Tiburon in Marin County.
At least one of those voyages was successful. Before 2017, there is no record of coyotes ever existing on the island. Scientists are now studying about 14 coyotes that live there, all of them related, to see how they interact with the island’s once-plentiful mule deer.
A coyote trots on Angel Island in San Francisco Bay in April.
(California State Parks)
The first coyote who swam across to Angel Island was alone, said Casey Dexter-Lee, a State Parks interpreter who lives on the island and has worked there for nearly 25 years. It may have been chasing prey or seeking new territory, but no one knows for sure, she said.
About a year later, a second canine appears to have made the trip, potentially enticed by the first coyote’s calls echoing across the strait, she said.
“We could hear them talking back and forth, especially at night,” she said. “So it’s possible that encouraged the second coyote to swim over.”
Another hypothesis, which is supported by genotype data, is that a lone pregnant female initially swam over and gave birth on the island, said Brett Furnas, an environmental scientist with the California Department of Fish and Wildlife.
Either way, the coyotes found a ready food source in the fawn of mule deer, which themselves have a controversial history on the island. Their numbers were controlled by human hunting for millennia, first by the Coast Miwok people, and then by the U.S. Army, which used the island as a military base, Dexter-Lee said.
When the island became a state park in the late 1950s to early 1960s, the population exploded, leading to concerns about starvation and prompting the state to regularly cull the deer, she said. The population appeared to have stabilized in recent years, until the coyotes came.
Preliminary estimates suggest the deer population has dropped by about half — from roughly 100 to fewer than 50 — since the coyotes’ arrival, Miller said. He is working with Furnas and others at the Department of Fish and Wildlife to study how this predator-prey relationship will play out. The research effort is in its second year of what scientists hope will be five.
Researchers have set up game cameras to capture images of deer and coyotes, and they regularly collect scat from both species. From that, they can learn what the animals are eating and collect DNA that enables them to identify individuals and tease out family relationships.
They’ve learned that the coyotes are all descended from one female. The population is in its third generation and is mostly consuming rats and mice.
The Angel Island mole, a unique subspecies endemic to the island, seems to be just a small part of their diet, which came as a relief.
It’s unclear what will happen to the island’s coyotes in the future. One big question is whether there’s enough food to support what is now a sizable and growing population, Furnas said. On top of that, he said, coyotes tend to want to disperse and establish new territories. And yet the long trip across the bay, with its strong currents, is not an easy one.
Furnas pointed out that the coyote seen swimming in the bay wasn’t trying to reach the island but to get away.
“That’s consistent with dispersal,” he said. “I think some of those coyotes are now saying, ‘Hey, we want our own territory,’ and they’re trying to swim back to Marin.”
San Francisco, CA
3-alarm fire burns San Francisco Tenderloin residential building
A large fire burned at a six-story residential building in San Francisco’s Tenderloin District early Friday morning, leaving dozens displaced, officials said.
The fire started at around 3 a.m. at a building on Golden Gate Avenue near Taylor and Market streets, adjacent to the Golden Gate Theatre. The San Francisco Fire Department said the fire started on the top floor and reached three alarms, spreading to the attic and roof of the building. Over 100 firefighters at the scene were able to prevent it from spreading to lower floors and nearby buildings, the department said.
Multiple people were rescued and self-evacuated, and a total of 45 residents were displaced, but there were no injuries, the department said. Two cats were also rescued, one that was treated by medics at the scene and another cared for by Animal Control.
Evacuated residents were provided temporary shelter at the corner of Golden Gate and Jones Street aboard a Muni bus. The Red Cross and other city agencies were called in to assist the displaced residents, the department said.
The fire was contained by 5:30 a.m., and firefighters remained on the scene for several hours. The cause of the fire was not immediately known.
San Francisco, CA
San Francisco firefighters to retire uniforms linked to cancer
San Francisco firefighters are finally getting the protective gear they were promised after years’ long research revealed certain chemicals used in traditional firefighter uniforms can cause cancer.
“What none of us could have known is that some of the very gear designed to protect us was quietly harming us,” said San Francisco Fire Chief Dean Crispen, who spoke alongside dozens of first responders on Thursday as he announced the city’s $3.6 million plan to provide protective equipment to all frontline firefighters by the end of the year. “This is a joyous occasion for our city.”
San Francisco Fire Chief Dean Crispen was flanked by the mayor, state and local lawmakers, and dozens of first responders on Thursday when detailing the city’s plans to provide new, non-PFAS uniforms to frontline firefighters across San Francisco.
The San Francisco fire department, the tenth largest in the nation, has already distributed the redesigned gear to about 80 of its firefighters and hopes to have all 1,100 of its new uniforms in use within the next three weeks – that’s enough protective equipment to provide one uniform to each of the city’s frontline firefighters. While city leaders hope to eventually purchase a second set of gear, San Francisco firefighters will, for now, need to wash their new gear before returning to work or continue to rely on their old uniform as a backup.
“Public safety relies on the people who stand between danger and our residents,” Mayor Lurie told the crowd during Thursday’s announcement. “Firefighter health must always be at the center of our decisions.”
San Francisco’s efforts stem from a first-in-the-nation ban that local lawmakers passed last year, which requires the city to outfit firefighters with new uniforms by July 2026. Over the years, studies have shown the jackets and pants firefighters across America have long relied on to keep safe during emergencies are made with materials proven to cause cancer.
These so-called “PFAS” materials, often referred to as ‘forever chemicals’ because of their reluctance to breakdown, have long been used to bolster the reliability of firefighter clothing by helping to repel flammable liquids and reduce temperatures, even in extreme heat. Researchers, however, have found the compounds to be harmful when absorbed through skin. While the precise level of PFAS exposure for firefighters and the associated health risks are still being studied, the compounds have been linked to cancer and other negative health effects impacting cholesterol levels and the immune system, according to the Centers for Disease Control and Prevention (CDC).
PFAS aside, the inherit health risks of firefighting, including prolonged exposure to smoke and ash, led the World Health Organization to deem the occupation a “carcinogen.” Yet, some fear the very safety uniforms firefighters have come to rely on for protection could also be making them sick.
Female firefighters in San Francisco are six times more likely to develop cancer compared to the national average, according to the San Francisco Firefighters Cancer Prevention Foundation.
In San Francisco, female firefighters have a six times higher rate of breast cancer than the national average, according to the San Francisco Firefighters Cancer Prevention Foundation. More than 400 firefighters in San Francisco have been lost to cancer over the past 20 years, according to the city’s fire department.
“The cost of inaction is measured in funerals,” said Stephen Gilman, who represents the local chapter of the International Association of Fire Fighters (IAFF). “The reward of action is measured in lives saved.”
The cost of inaction is measured in funerals.
Stephen Gilman, International Assoc. of Fire Fighters (IAFF)
While materials laced with PFAS have been shown to pose safety risks, so has fire gear that has been manufactured without it. Last year, the NBC Bay Area Investigative Unit reported on research from North Carolina State University that found non-PFAS fire equipment to be less breathable and more flammable than traditional uniforms made with PFAS.
“We don’t want to just trade one hazard for another,” Dr. Bryan Ormand told the Investigative Unit back in May 2024. “We’re introducing a potential hazard for flammability on the fire scene where firefighters didn’t have that before.”
The San Francisco Board of Supervisors is scheduled to vote Tuesday on a city-wide ban of what are known as ‘PFAS’ or ‘forever chemicals,’ but replacement options still aren’t widely available and those that are seem be raising new safety concerns. Senior Investigator Bigad Shaban reports.
Milliken & Company, the textile firm that made the material for San Francisco’s latest uniforms, said the new type of gear “meets or exceeds” all industry standards for “breathability and thermal protection.”
“We refused to trade one hazard for another,” Marcio Manique, senior vice president and managing director of Milliken’s apparel business, noted in a written statement.
“It meets the strictest performance standards without adding weight or compromising breathability – giving firefighters exactly what they asked for.”
We refused to trade one hazard for another
Marcio Manique, senior vice president and managing director of Milliken’s apparel business
In San Francisco, the new gear underwent a 90-day test trial with 50 of the city’s own firefighters.
“What we did was we actually went through a really comprehensive testing process,” Chief Crispen told the Investigative Unit. “It went to the lab and received testing and everything came back great, so we feel strongly about this product.”
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San Francisco, CA
Gas explosion in San Francisco Bay Area damages homes, sends heavy smoke into air
SAN FRANCISCO — A gas explosion started a major fire in a San Francisco Bay Area neighborhood on Thursday, damaging several homes and sending heavy smoke into the air.
Local outlets said there are possible injuries from the Hayward explosion.
A spokesperson with Pacific Gas & Electric Co. said a construction crew damaged an underground gas line around 7:35 a.m. The company said it was not their workers.
Utility workers isolated the damaged line and stopped the flow of gas at 9:25 a.m., PG&E said. The explosion occurred shortly afterward.
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