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Tiny tracker following monarch butterflies during California migration

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Tiny tracker following monarch butterflies during California migration


SAN FRANCISCO (KGO) — When this monarch butterfly hits the sky it won’t be traveling alone. In fact, an energetic team of researchers will be following along with a revolutionary technology that’s already unlocking secrets that could help the entire species survive.

“I’ve described this technology as a spaceship compared to the wheel, like using a using a spaceship compared to the invention of the wheel. It’s teaching us so, so much more,” says Ray Moranz, Ph.D., a pollinator conservation specialist with the Xerces Society.

Moranz is part of a team that’s been placing tiny tracking devices on migrating monarchs. The collaboration is known as Project Monarch Science. It leverages solar powered radio tags that are so light they don’t affect the butterfly’s ability to fly. And they’re allowing researchers to track the Monarch’s movements in precise detail. With some 400 tags in place, the group already been able to get a nearly real time picture of monarch migrations east of the Rockies, with some populations experiencing dramatic twists and turns before making to wintering grounds in Mexico.

“They’re trying to go southward to Mexico. They can’t fight the winds. Instead, some of them were letting themselves be carried 50 miles north, 100 miles north, 200 miles the wrong way, which we are all extremely alarmed by and for good reason. Some of these monarchs, their migration was delayed by two or three weeks.

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According to estimates, migrating monarch populations have dropped by roughly 80% or more across the country. And the situation with coastal species here in California is especially dire. Blake Barbaree is a senior scientist with Point Blue Conservation Science. He and his colleagues are tracking Northern California populations now clustered around Santa Cruz.

MORE: Monarch butterflies to be listed as a threatened species in US

“This year, there’s it’s one of the lowest, populations recorded in the winter. And the core zones have been in Santa Cruz County and up in Marin County. So we’ve undertaken an effort to understand how the monarchs are really using these different groves around Santa Cruz by tagging some in the state parks around town,” Barbaree explains.

He says being able to track individual monarchs could help identify microhabitats in the area that help them survive, ranging from backyard pollinator gardens to protected open space to forest groves.

“So we’re really getting a great insight to how reliant they are on these big trees, but also the surrounding area and people’s even backyards. And then along the way around the coast, how they’re transitioning among some of these groves. And we’re looking for some of the triggers for those movements. Right. Why are they doing this and what’s what’s driving them to do that? So those questions are still a little bit further out as we get to analyze some more some more of the data,” he believes.

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And that data is getting even more precise. The tags, developed by Cellular Tracking Technologies, can be monitored from dedicated listening stations. But the company is also able to crowdsource signals detected by cellphone networks on phones with Bluetooth connectivity and location access activated. And they’ve also helped develop an app that allows volunteers, citizen scientists, and the general public to track and report Monarch locations themselves using their smartphones.

CEO Michael Lanzone says the initial response has been overwhelming.

MORE: New butterflies introduced in SF’s Presidio after species went extinct in 1940s

“We were super surprised to see 3,000 people download the monarch app. It’s like, you know, but people really love monarchs. There’s something that people just relate to,” says Lanzone who like many staffers at Cellular Tracking Technologies, has a background in wildlife ecology.

A number of groups are pushing to have the monarchs designated nationally as a threatened species. If that ultimately happens, researchers believe the tracking data could help put better protections in place.

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“They’re highly vulnerable to, you know, some of the different things that that that we as humans do around using pesticides and also potentially cutting, you know, cutting down trees for various reasons. Sometimes they’re for safety and sometimes it’s, you know, for development. But so having an understanding of how we can do those things more sensibly and protect the places that they need the most,” says Point Blue’s Barbaree.

And it’s happening with the help of researchers, citizen scientists, and a technology weighing no more than a few grains of rice.

The smartphone app is called Project Monarch Science. You can download it for free and begin tracking.

Copyright © 2025 KGO-TV. All Rights Reserved.



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Amazon halts high-speed e-bike sales in California following fatal crashes

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Amazon halts high-speed e-bike sales in California following fatal crashes


Orange County’s top prosecutor said Amazon has agreed to stop California sales of certain e-bikes that can go faster than state speed limits following a series of fatal collisions.

The announcement, first reported by KCRA, comes on the heels of an April consumer alert by California Attorney General Rob Bonta that highlighted a rise in deaths related to e-bike and motorcycle crashes.

“We are seeing a surge of safety incidents on our sidewalks, parks, and streets,” Bonta said in a statement. “To ride a motorcycle or moped, you need to have the appropriate driver’s license and comply with rules of the road.”

Bonta’s alert stated that pedal-assisted e-bikes cannot exceed 28 mph. Throttle-assisted e-bikes are limited to 20 mph.

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Amazon had continued to sell e-bikes with speeds over 40 mph. Amazon did not immediately respond to a request for comment.

Electric bikes and motorcycles have become increasingly popular in the last few years, particularly among teens. But the surge has been shadowed by a spate of deadly crashes.

Orange County Dist. Atty. Todd Spitzer has charged at least three parents with allowing their children to ride electric motorcycles illegally, calling the vehicles a “loaded weapon.”

Spitzer noted in a post on X that Amazon said it removed e-bikes advertised with speeds over 40 miles per hour after KCRA contacted the company.

“The company said it has removed the examples provided and is investigating compliance for similar products,” Spitzer wrote.

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That includes an Orange County mother, who faces an involuntary manslaughter charge after her son allegedly struck an 81-year-old man with an electric motorcycle. The 14-year-old boy had been doing wheelies on an e-motorcycle

A 13-year-old boy on an e-bike in Garden Grove died earlier this week after veering into the center median and hurtling onto the roadway. The boy was traveling at around 35 mph on a black E Ride Pro electric motorcycle, authorities said.

Amazon’s new sales limits come as the Los Angeles City Council pushes to keep electric bikes of off most city recreational trails, arguing they are a threat to hikers. E-bikes would still be allowed on designated bikeways, such as along the L.A. River.



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After exile, California tribes could help run their ancestral redwoods again

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After exile, California tribes could help run their ancestral redwoods again


Daniel Felix, 10, looks out from atop a gargantuan stump of an old-growth redwood on his tribe’s ancestral land. Once, this forest on California’s North Coast was replete with the ancient behemoths that can live beyond 2,000 years.

Only a fraction are left now, depleted by a logging company before the state acquired the forest in the 1940s.

This is unique public land, Jackson Demonstration State Forest, spanning 50,000 acres. Trees are plentiful here, but they might not live a millennium. California’s 14 demonstration forests are required to produce and sell timber to show — or “demonstrate” — sustainable practices. Money from logging — roughly $8.5 million a year — pays for management of the forests by the California Department of Forestry and Fire Protection, or Cal Fire.

Daniel’s tribe, the Coyote Valley Band of Pomo Indians, has pushed to rein in the cutting — spearheaded by his late great-grandmother, Priscilla Hunter. They’re part of a diverse coalition that includes environmental activists, local politicians and other tribes.

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Now they may finally get their wish. Assemblymember Chris Rogers (D-Santa Rosa) has introduced a bill that would nix the forests’ logging mandate, instead prioritizing values such as carbon storage, wildfire resilience and biodiversity.

The bill represents the latest chapter in a region legendary for fierce battles over logging, and it marks an uncommon alliance between tribes and the environmental movement.

Under Assembly Bill 2494, there could still be logging, but it would have to support those new principles, and the forests would be funded differently.

And it proposes another significant change. It would pave the way for giving tribes a say in managing the lands for the first time since they were forcibly evicted more than a century ago, and for integrating Indigenous knowledge — like cultural burning — into the forests.

“It’s what we dreamed of,” said Polly Girvin, Hunter’s former partner and a retired lawyer focused on Native American issues. “And to have it come true? I’m used to movements that sometimes take 30 years in Indian Country to get to the justice you’re seeking.”

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Kids play in the stump of an ancient redwood during a potluck held after the spirit run in Jackson Demonstration State Forest last month.

(Paul Kuroda / For The Times)

Some backers say the bill offers a new economic path forward for communities behind the so-called redwood curtain. With the decline of logging and cannabis, they see tourism driven by ultramarathons, mushroom foraging and other outdoor activities as a financial savior.

“If we had an increase of 10% of visitors coming to our county because of recreational opportunities, that would more than surpass all of the timber tax in our county,” Mendocino County Supervisor Ted Williams said, projecting an increase in money from a lodging tax.

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But the push to reshape forest management is fiercely opposed by loggers and mill owners, who say their work is sustainable and provides blue-collar jobs in a region where they’ve dwindled. Already California imports most of its wood from Oregon, Washington and Canada.

“California has the most rules and regulations of anywhere in the world so all they’re doing is exporting the environmental impact to somewhere else, still using the product,” said Myles Anderson, owner of a logging company in Fort Bragg founded by his grandfather. “It’s pretty disgusting, really.”

Anderson believes the bill will greatly reduce logging, even stop it altogether. In his office, with photos of him and his father at a logging site decades ago, he points out it’s sponsored by the Environmental Protection Information Center. Why else would they and other environmental groups “support it if they didn’t see the same thing that I’m seeing?”

Tribal runners in Jackson Demonstration State Forest.

Last month, activists who have sought to rein in logging at Jackson held their first major gathering in about four years, galvanized by the bill that they see as a significant step in the right direction.

(Paul Kuroda / For The Times)

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A new but old fight

About five years ago, community members caught wind of plans to chop down towering redwoods within Jackson, near the coastal town of Caspar. Priscilla Hunter would come out to the forest “and could hear them crying — it was our ancestors,” said her daughter Melinda Hunter, the tribe’s vice chairwoman. “Then she had to protect [the trees].”

Environmental activists and Native Americans, not historically allies in the region, joined forces to fight it. “Forest defenders” camped out high in the canopy and blocked logging equipment with their bodies. Some were arrested.

The uprising harked back to the 1980s and 1990s, when iconic environmentalist Judi Bari led Earth First! campaigns against logging in the region. Many of the old tree sitters — white-haired and brimming with stories of Bari — have come out of the woodwork for the latest battle.

For them, it was a win. Cal Fire paused new timber sales and, citing public safety, halted some that were underway — including one expected to generate millions of dollars for Myles Anderson’s logging company.

“We were left with nothing,” Anderson said.

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Then, last year, Cal Fire approved the first harvest plan since that hiatus. It riled up the sizable, ecologically minded community.

Jessica Curl, 47, remembers growing up nearby “in a terrain of trunks” as trucks carried out logs. Now the redwoods are regrowing, “gorgeous” and gobbling carbon, she said.

“We’re so lucky to live in an area where we have this amazing climate-change mitigation tool, that if we would just leave it alone would do this amazing work that we’re trying to think of all these cool, inventive things to do.”

Isidro Chavez receives burning sage after a run in Jackson Demonstration State Forest.

Isidro Chavez receives burning sage, or smudging, after a run in Jackson Demonstration State Forest. Smudging is a ritual used to cleanse spaces and individuals of negative energy, promote calm and improve mood.

(Paul Kuroda / For The Times)

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Tears of grief, resolve

A group of “spirit runners” — a Native American tradition of bringing prayer — sprinted through the heart of Jackson forest as rain poured through the canopy. The mid-April event marked activists’ first major gathering since protests wound down in 2022.

Attendees gathered in a circle to wait for them. Misty Cook, of the Sherwood Valley Band of Pomo Indians, read a statement as eyes misted all around:

“All the living things around us, they miss us. They miss the language. They miss our touch, our hands, touching all of the things — the water, the plants. They miss the songs. They miss the beat of our footsteps and our voices, and they miss the children’s laughter and play, which was so important. They want us to gather them, to use them and to share them. Otherwise they will get sick and possibly die.”

Cal Fire launched a tribal advisory council to bring Indigenous perspective into Jackson. But some local tribes say it’s not enough because they lack decision-making power.

When the runners arrived, the circle absorbed them. Then they continued on to the site of a controversial proposed harvest, Camp Eight. They wrapped a bandana that belonged to Priscilla Hunter around a small tree — a quiet, somber act where she took her last stand. Runners took turns embracing the trunk.

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Redwoods at the Capitol

In March, Rogers’ bill cleared a committee and is now in the Assembly Appropriations Committee’s suspense file. A hearing is set for Thursday.

Funding is a major point of contention. Environmentalists say funding these forests with timber operations incentivizes cutting bigger trees. Cal Fire maintains decisions are driven by forest health, not industry demand.

AB 2494 would fund the forests through a tax on lumber and engineered wood products. The shift could create “[o]ngoing state costs and cost pressures of an unknown but potentially significant amount, possibly in the low millions of dollars annually,” according to a legislative analysis.

The California Forestry Assn., a timber industry trade group, says the idea is a nonstarter.

Cal Fire declined to comment on pending legislation but Kevin Conway, the agency’s staff chief for resource protection and improvement, said its nearly 80-year history managing Jackson reflects “care and attention.” Since the state acquired the forest, “we have more trees on the landscape, more habitat and those trees are trending larger,” he said.

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For the tribes who have rallied and prayed, a burning question is whether the land will again reflect their vision, or remain shaped by decisions made by others.

Buffie Campbell, executive director of the InterTribal Sinkyone Wilderness Council — co-founded by Priscilla Hunter and one of the groups supporting the bill — said young people wouldn’t be able to fathom the significance of the legislation passing. Maybe that’s a good thing.

“Maybe they don’t need to know about all the fighting that we have to do before they get to go out and enjoy and be tribal guardians stewarding their land.”



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Two GOP candidates for California governor participate in Bakersfield forum

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Two GOP candidates for California governor participate in Bakersfield forum


Two Republican candidates seeking California’s top office were back on the campaign trail and made a stop in Bakersfield on Saturday.

The California Young Republicans and Kern County Young Republicans co-hosted a forum featuring Chad Bianco and Steve Hilton. The event follows two gubernatorial debates last month in which both candidates appeared alongside several Democrats.

The forum happened on Saturday afternoon at the Liberty Center on California Ave.

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The forum came as mail voting is underway ahead of California’s June 2 primary, where the top two vote-getters will advance to the November general election regardless of party.



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