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Turkey vultures in California are testing positive for rat poison  – High Country News

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Turkey vultures in California are testing positive for rat poison  – High Country News


In humankind’s ongoing war against rats, rodents are far from the only casualties.

Over the last few years, a common class of chemicals known as anticoagulant rodenticides has come under fire for its heavy toll on wildlife. Despite statewide restrictions on these pesticides in California, a recent study found that as many as 13% of turkey vultures in the Los Angeles area tested positive for the chemicals. Given the birds’ unique ecological perch as nature’s carnivorous cleanup crew, the results reveal just how thoroughly anticoagulant rodenticides pervade the ecosystem. They are a reminder of how human actions can have vast environmental consequences, often compounded by climate change — and, in this case, for fundamentally limited returns.

Anticoagulant rodenticides work by causing their victims to bleed to death, often internally. Afflicted animals show signs of anemia and often bleed from their nostrils, mouth and anus before they die. Animal cruelty aside, these substances are problematic because they can persist in carcasses and the environment for up to a year. This means that a poisoned rat can in turn poison its predator, and that predator’s predator as well, long after the first fatal nibble. The upshot is vast collateral damage: raptors, foxes, coyotes, bobcats and mountain lions — all of which help keep rodent populations in check — have been sickened or killed by these toxins. Occasionally, pets fall victim, too.

A healthy fledgling turkey vulture. Credit: Courtesy of Todd Backman
The same fledgling turkey vulture after it was found sickened by rat poison and collapsed in the patio of a El Cerrito, California, home. Credit: Courtesy of Patricia Jones

“I consider them to be like our modern-day DDT, due to the fact that they have infiltrated the entire food web,” said Lisa Owens Viani, the director of Raptors are the Solution, a nonprofit that champions wild predators rather than rodenticides as a pest-control solution.

Thanks to the advocacy efforts of groups like Owens Viani’s, in 2020, California signed into law a ban on the most harmful anticoagulant rodenticides by the general public and pest control companies. In 2023 and again in 2024, the state passed additional legislation that added older versions of these rodenticides to that ban.

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“I consider them to be like our modern-day DDT, due to the fact that they have infiltrated the entire food web.”

Immediately after the first ban was passed, raptor deaths by poison dropped nearly 15%, according to data from the California Department of Fish and Wildlife, though the numbers have fluctuated in subsequent years. But the new study, in which tested turkey vultures for the chemicals after the initial bill was enacted, showed that anticoagulant rodenticides still pervade the environment.

According to study author Miguel D. Saggese, an avian and wildlife researcher at Western University of Health Sciences in Pomona, California, the results “provide further evidence that there is still a problem out there for non-target species.”

SCAVENGERS LIKE TURKEY VULTURES, with their diverse carrion diet, are good sentinels of rodenticides’ footprint across an entire ecosystem. Still, the results might be an underestimate. The new study examined blood samples from live-captured vultures, so the results provide only a snapshot of the birds’ most recent encounters with the chemicals. Liver necropsies, which are more telling of chronic exposure, tend to register higher contamination rates — one 2022 study found that 93% of turkey vultures in Northern California and southern Oregon had anticoagulant rodenticides in their bodies — though necropsy results can skew toward animals that have already perished from the poisons.

Turkey vultures are not a threatened species, but their exposure sounds an alarm for their more vulnerable neighbors. Spotted owls, bald eagles and the iconic California condor are already at risk of extinction, and anticoagulant rodenticides are likely a contributing factor. In the past, monitoring efforts have detected the toxins among these birds of prey. The prevalence among turkey vultures indicates that the chemicals need to be eliminated from the environment to ensure the health of wildlife in the West, whether or not the animals are endangered.

A bleeding great horned owl from the Morro Coast at Audubon’s Sweet Springs Preserve the day before its death from pesticides. Credit: Courtesy of David Lamkin
A poisoned red-tail hawk that was bleeding right until its death. Credit: Courtesy of WildCare

California is the only state with legislation restricting anticoagulant rodenticides. But even the Golden State’s bills have gaping concessions: The agriculture industry and food producers are exempt from the bans, as are public health agencies. And some people still set out illegal rat bait boxes anyway, regardless of what the law says.

Still, there’s another compelling reason to renounce anticoagulant rodenticides: They’re not all that effective at reining in rats. Experts say that a more durable solution is to not give rodents a reason to come by in the first place — by sealing off food sources and fortifying trash bins. Not only do the relatively slow-acting poisons falter against the prolific reproduction of rodents, they also kill off the rats’ natural predators, which are humanity’s most valuable allies against rodent infestations. Ultimately, the chemicals we employ to control rat populations end up helping rat populations slide out of control. “None of it makes any sense,” Owens Viani said. “I just feel like it’s kind of a scam that’s been perpetrated to the public.”

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“I just feel like it’s kind of a scam that’s been perpetrated to the public.”

And climate change is making things worse for pesticides-strained raptors. “Climate change is the very MOTHERSHIP of ecological stressors,” wrote Allen Fish, a raptor biologist and former director of the Golden Gate Raptor Observatory, in an email. Already-weakened species may lack the wherewithal to deal with dwindling food sources and shrinking habitats. Meanwhile, warming temperatures allow rats to remain active during mild winters, eating and mating instead of laying low underground, and society’s typical response — doling out even more rodenticides — only increases secondary poisoning events.

Anticoagulant rodenticides may well prove the last straw for some species’ survival. “It’s an ongoing environmental catastrophe that’s happening right before our eyes,” Owens Viani said.

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California ‘jungle’ primary could hand governor’s race to Republicans

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California ‘jungle’ primary could hand governor’s race to Republicans



Polling shows Republicans Steve Hilton and Chad Bianco leading the pack, while eight Democrats split the liberal vote.

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  • A crowded field of Democratic candidates for California governor has split the vote, creating an opening for Republicans.
  • California’s “jungle primary” system allows the top two finishers, regardless of party, to advance to the general election.
  • Incumbent Governor Gavin Newsom has not endorsed a successor, a move some experts say could be costly for the party.

Democrats’ 2026 comeback could be spoiled by California electing a Republican governor, as two GOP candidates are leading in recent polls.

Experts forecast a potential “blue wave” in the midterm elections, as Democrats have recently overperformed in special elections, including flipping a state senate seat in President Donald Trump’s own Palm Beach, Florida, district on March 24.

But the party is facing a nightmare scenario in the nation’s most populous state, where polling shows Republicans Steve Hilton and Chad Bianco leading the pack in the June 2 nonpartisan primary. The state’s liberal majority is split among eight Democratic contenders.

The Democrats’ dilemma stems from California’s unusual election system, in which the top two finishers, regardless of party, advance to the November general election. A Berkley ISG survey released March 18 of more than 5,000 registered voters showed Hilton, a conservative TV host, receiving 17% of the vote while Bianco, the Riverside County sheriff, held 16%.

In third was Democratic Rep. Eric Swalwell, with 14%, then former Rep. Katie Porter holding 13%, followed by Tom Steyer at 10% and the five other Democratic candidates each getting 5% or less.

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Other yardsticks show a similar trend, such as a March 18 survey commissioned by the California Democratic Party showing the two GOP candidates on top with Swalwell, Porter, and Steyer in a three-way tie for third place.

California Democrats enjoy a 2-to-1 voter registration edge over the GOP, but Golden State voters say there is a fog of confusion around the race due to the party’s failure to coalesce around a frontrunner. Olivya Reyes, a graduate student who lives in Oxnard, California, told USA TODAY the party still feels like it is trying to “find its footing” between a more moderate or progressive candidate.

“I feel like as a Democratic voter, what I would want to see from my party is clarity on who we’re supporting and getting behind,” she said.

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Democratic Gov. Gavin Newsom, who is prevented from running due to term limits, has one eye on the presidency and hasn’t endorsed a successor or publicly nudged lower-performing candidates out of the race.

That neutrality could come at a cost, some experts say, should the two GOP aspirants prevail.

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‘Nobody has leapt out’: Voters disengaged, largely unenthusiastic

Reyes, 29, a lifelong Democrat, said typically by the end of March she would have a strong idea of which candidate she planned to support. She was planning to back former Vice President Kamala Harris or Sen. Alex Padilla, but both bypassed running, leaving her clueless about who was running or who to support.

She has only learned about Steyer, who has poured millions into the contest, and former U.S. Health and Human Services Secretary Xavier Becerra.

“I’m going to be honest in saying that I have been getting a lot of conflicting messaging, even from my own party, about who I should put my vote behind,” Reyes said. “Right now, it seems that the party is very much trying to find its footing on whether or not we’re going for a progressive candidate or for a more moderate Democrat.”

Experts say voter apathy typically occurs in California because it’s a heavily Democratic-leaning state, and that a majority of voters don’t pay attention until after the usually low-turnout primary.

The Berkeley survey underscored how much inattention is responsible for Democrats’ lack of enthusiasm for a specific candidate. It noted that voters “remain largely disengaged and unenthusiastic,” and about 16% of Californians are undecided.

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The poll found that even among the candidates who are generally better known, “significant proportions of likely voters have no opinion” of them.

That might come as a surprise, given that the top three Democrats all ran for major office before. Porter made an unsuccessful bid for Senate in 2024 while Steyer and Swalwell launched uneventful presidential campaigns in 2020.

There are other notable contenders on the Democratic side: Becerra, the former health secretary in the Biden administration who had just 5% in the Berkley poll; former Los Angeles Mayor Antonio Villaraigosa and San Jose Mayor Matt Mahan who raked in 4%; Tony Thurmond, state Superintendent of Public Instruction and Betty Yee, a former state controller who both shared 1%.

“No one in particular has caught fire with the average Democratic voter,” said Brian Sobel, a veteran political analyst based in San Francisco. “Nobody has leapt out.”

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Democrat Rick De Alba, a workers’ compensation rights attorney from Pacifica, California, said he prefers Beccera, but noted he consistently sits in the basement of the race. He doesn’t want his vote going to someone who doesn’t have a shot at winning, and wishes underdog contenders would heed state party leaders’ advice and bow out gracefully.

“I think realistically you need about $30 million to put on an effective campaign in California, and if you can’t raise that, you should step aside,” De Alba said. “California always votes Democrat, no matter what. We just need to know who the candidate is.”

Reyes, the graduate student, said she had hoped to learn more about the other Democrats running through a debate hosted by the University of Southern California, which was originally scheduled to air on March 24. But the university canceled the event at the last minute after an accusation that it purposefully left out candidates of color, casting a shadow over the event for days.

Swalwell, Porter, and Steyer are White, whereas the lower-polling candidates are mostly people of color. Becerra and Villaraigosa are Hispanic; Mahan is White; Thurmond is Black; and Yee is Asian American.

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“As a person of color, it did make me take a pause, and it didn’t look good,” Reyes said. “But I feel like this was a chance for all of these Democratic candidates to kind of put their faces in front of California voters.”

GOP shutting out Democrats ‘theoretically possible’ expert says

Conservative-leaning California voters such as Bud Thompson, a 61-year-old state government employee, said they are enjoying the spectacle of the usually dominant California Democrats in disarray. He was surprised to learn that the two leading candidates in this year’s races were the two GOP candidates.

“I think that you can look at California and see what a mess it is. Look at who’s been running it for the last few years,” the Sacramento, California, native said in an interview. “I am going to start seriously looking at the two Republicans. It would be a nice change of pace.”

California, under Newsom, has been one of the larger state governments that have opposed much of the Trump administration’s agenda, so having either Hilton or Bianco, who are both decidedly behind the president, would be a drastic shift.

Bianco made headlines this month when he followed the administration’s lead by seizing roughly 650,000 ballots in Riverside County, based on a tip from a citizen-led group that has been criticized for delving into conspiracy theories by local officials and other voting rights experts. He’s also made support for the president’s controversial SAVE Act voting bill one of the central themes in his campaign.

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“Investigations into irregularities must happen so that the public can have full confidence,” Bianco said in a March 22 post on X.

Hilton, a former Fox News host, has also spoken in favor of Trump’s election overhaul, arguing that “(u)niversal mail-in voting must end,” in a March 26 post on X. He has emphasized allegedly fraudulent government spending and slammed Bianco for calling to work with Black Lives Matter protesters in 2020.

Thomas Holyoke, a political science professor at California State University, Fresno, said it’s “theoretically possible” that the two could shut out the Democrats, assuming GOP voters back their own candidates and earn enough votes from some independent voters.

But he said in the next couple of months, there will be a lot more pressure from state Democrats and others to significantly drain the pool of candidates so that the remaining contenders can consolidate support.

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“I just got to imagine that pressure is really going to mount and a lot of donors to Democratic candidates may also push heavily for some Democrats to drop out,” Holyoke said.

Asked about the prospect of Republicans keeping Democrats out of the top two spots, national campaign officials who spoke with USA TODAY exuded optimism and spotlighted the party’s history of success in the state.

“We are confident that will not happen, and we are having active conversations with our partners in California about ways that we can ensure that doesn’t happen,” Johanna Warsaw, a spokesperson for the Democratic Governors Association, told USA TODAY in an interview.

She noted the group was heavily engaged in other elections that turned out well for progressives, including the 2025 redistricting ballot initiative known as Proposition 50 and the failed 2021 recall battle against Newsom.

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Democrats express confidence as Newsom’s absence scrutinized

As the California election comes into focus, Newsom’s role in picking a successor is also being heavily scrutinized, especially given that he’s a rumored 2028 presidential contender.

Newsom served as lieutenant governor under former Gov. Jerry Brown, a longtime fixture in the state, before taking the reins in 2019. But Newsom’s second-in-command, Lt. Gov. Eleni Kounalakis, dropped out of the running last August.

“There isn’t a logical heir to the throne this time around,” said Eric Schickler, a political science professor at the University of California, Berkeley.

Newsom’s office did not respond to USA TODAY’s request for comment, but he addressed the lack of a focused message among the Democratic pool when speaking with Politico’s “On the Road” podcast. The governor noted that Harris and Padilla declining to run created “a lot of chill and a lot of delay” in this year’s campaign.

“You have this condensed period of time with a lot of candidates,” Newsom told host Jonathan Martin.

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Sobel, the Bay Area political analyst, said Newsom has worked with many of the top candidates in various capacities previously and might want to avoid playing favorites. The 58-year-old governor will need their diverse and wide-ranging networks of support should he formally announce a White House bid.

“He’s going to need them again, sooner than later,” Sobel said.

Many of the low-polling candidates carry significant weight within the party at the local and state level, too, and some have been running for governor as far back as 2023. They are used to fighting ugly political battles, observers say, so they won’t go away easily.

The Yee campaign, for instance, points to the state party chair’s March 3 letter urging candidates to “honestly assess (their) viability” as an example of powerbrokers trying to clear the field for a select few.

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“I’m not going to let that happen. Voters are still shopping,” Yee, a former state party vice chair, told USA TODAY in a statement. “Every poll shows the race remains wide open. Californians have a right to see and hear from a range of candidates, not just the billionaire-backed voices. Let the voters decide. Anything less is undemocratic and simply un-American.”

While the race might have some Democrats biting their nails, psychologist Steve Flannes, of Piedmont, California, said he’s pleased that so many people are running for governor. He said it’s a chore examining all the candidates, but he hopes it won’t be too cumbersome in the coming weeks.

“I’m trying to narrow down the options for myself,” Flannes, 75, said. “I’ve still got a couple of months to figure it all out, right?”



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Governor Newsom issues final notice to communities ignoring California housing laws

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Governor Newsom issues final notice to communities ignoring California housing laws


One week after ongoing efforts to ensure housing compliance statewide, Governor Gavin Newsom, through the California Department of Housing and Community Development (HCD), has issued final warnings to 15 cities and counties that have failed to meet state housing law requirements.

These jurisdictions are more than 60 days away from securing a certified housing element, a mandatory plan that outlines how communities will meet housing needs for residents of all income levels.

The cities and counties have 30 days to respond to the Notices of Violation.

If they fail to act, HCD could take further steps, including referral to the Attorney General.

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“I’m disappointed on behalf of the state and the people of California that after years of effort, we still have communities that aren’t meeting the needs of their residents,” Gov. Newsom said. “There’s no carve-out here. No community gets a pass when it comes to addressing homelessness or creating more housing access. We’ll keep pushing forward by enforcing the law, fighting NIMBY actions, and holding local governments accountable, because every Californian deserves a place to call home.”

Under California law, every community must adopt a housing element demonstrating how it will meet regional housing needs for residents at all income levels, and submit that plan to HCD for review.

With guidance and technical assistance, 92 percent of California communities have already achieved compliance in the 6th cycle.

[RELATED] California lawmakers pass bill to rename César Chavez Day after sexual abuse allegations

The 15 jurisdictions receiving Notices of Violation are now part of a final push to bring all communities into compliance.

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“These communities remain more than two years behind schedule and lack a clear path to compliance within 60 days,” HCD said. “If any jurisdictions on track fail to meet the requirements within that period, they will also face potential legal action.”

The 15 cities and counties receiving notices are: Atwater, Avenal, California City, Corcoran, Escalon, Half Moon Bay, Hanford, Kings County, Lemoore, Merced County, Montclair, Oakdale, Patterson, Ridgecrest and Turlock.

HCD has previously taken legal action or entered court-enforced agreements with other cities, including Anaheim, Elk Grove, La Canada Flintridge, Norwalk and Huntington Beach.

Since its creation in 2021, Gov. Newsom’s Housing Accountability Unit (HAU) has taken more than 1,200 enforcement actions, including securing 10 stipulated judgments and settlement agreements.

The unit has also “unlocked” 12,486 housing units, including more than 3,644 affordable units, that may have otherwise been stalled in local planning processes.

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Governor Newsom has made addressing the housing and homelessness crises a statewide priority.

His efforts include:

  • Streamlining housing construction through legal and regulatory reforms, including CEQA updates, to remove barriers to building new housing.
  • Creating shelter and support programs for people living in encampments while holding local governments accountable for providing housing solutions.
  • Expanding mental health care and supportive housing, including delivering more than 6,900 residential treatment beds and over 27,500 outpatient treatment slots following voter-approved Proposition 1 in 2024.
  • Updating conservatorship laws to assist those unable to care for themselves due to severe mental illness or substance use disorders, creating the new CARE court system.
  • Removing dangerous encampments on state and local property while connecting residents to shelter and services, with over 20,600 encampments cleared on state right-of-ways since 2021.

Californians can track how their communities are addressing housing, homelessness, and mental health through HCD’s accountability portal.

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U.S. Forest Service issues Southern California rattlesnake warning after two deadly bites

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U.S. Forest Service issues Southern California rattlesnake warning after two deadly bites


The U.S. Forest Service has issued a warning regarding an increase in rattlesnake sightings in Southern California, especially after two deadly bites were reported in the last few weeks. 

In a social media post, the USFS San Bernardino National Forest rangers reminded hikers and outdoor enthusiasts to be wary while exploring nature due to the increased temperatures and arrival of spring weather. 

“As temperatures rise, rattlesnakes become more active in the forest,” the USFS’s post said. ” Stay alert, watch where you step and keep pets close.”

Southern California encounters

Since the beginning of the year, hikers have already reported rattlesnake encounters near a Moreno Valley hiking trail in Riverside County, where someone was bitten and required hospitalization. 

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There have been deadly incidents reported in both Orange County, where a man was bitten while mountain biking in Irvine, and Ventura County, where a 46-year-old woman died from “rattlesnake venom toxicity in an accidental manner.”

“If you encounter a rattlesnake, give it plenty of space and calmly move away,” the social media post said. “Never attempt to touch or disturb wildlife.”

USFS officials credited the increase in encounters to elevated temperatures and abnormally sunny conditions as opposed to the typical winter weather that Southern California sees. 

They said that snakes can use their full length to strike, sometimes equating to more than five feet. 

Treating rattlesnake bites

Officials advised anyone bitten by a rattlesnake to:

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  • call 911 and seek immediate medical attention
  • keep the bite victim still as movement allows venom to spread through the body more easily
  • keep the injured body part motionless and lower than heart level
  • keep the victim warm and at rest
  • refraining from food and drink
  • cover the bite with a clean, dry dressing

They also urged people to avoid using a tourniquet, slashing at the wound with a knife, sucking out the venom, using ice or immersing the wound in water, drinking alcohol as a painkiller or drinking caffeinated beverages. 

Officials warned that people should not wait for symptoms of a bite to appear before seeking medical attention. However, they provided a list of different signs that someone may see if they are bitten by a rattler, including:

  • puncture marks at the wound
  • redness and swelling around the bite
  • severe pain at the site of the bite
  • nausea and vomiting
  • labored breathing
  • disturbed vision
  • increased sweating and salivation
  • numbness or tingling in the face and/or limbs

Spotting and avoiding rattlesnakes

While Southern California is home to several species of rattlesnake, the most common are typically the Western Diamondback and Southern Pacific Rattlesnakes, according to the California Department of Fish and Wildlife. 

Aside from their infamous rattle, rattlesnakes can be identified by their broad and diamond-shaped head. They usually have spotched markings that appaer separated by lighter colored stripes that become smaller and narrower towards the tail, which is tipped with a paper-like noise-producing rattle, USFS officials said. 

While they typically hide during the cold winter months, snakes venture out during warm weather. They usually hide in shady spots during the hottest parts of the day and begin hunting either in the early morning or evening. Officials advised that rattlesnakes can swim as well. 

In order to avoid rattlesnakes, USFS rangers said that people should not tease or harass any wildlife, keep a distance of at least six feet if a rattler is spotted, stay on trails and watch where stepping or placing your hands when hiking or climbing over obstacles, avoid tall grass and piles of leaves and wear long pants and proper foot gear. 

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