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Despite dwindling numbers, monarch butterflies still don't have endangered species status. Yuri Cortez/AFP via Getty Images
Despite dwindling numbers, monarch butterflies still don't have endangered species status. (Yuri Cortez/AFP via Getty Images)

Only 2,000 Monarch Butterflies Remain in California. But They Still Don’t Have Protection

Only 2,000 Monarch Butterflies Remain in California. But They Still Don’t Have Protection

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Federal wildlife officials announced this week that monarch butterflies qualify to be protected as an endangered species. But, the iconic insect won’t be receiving that status under the Endangered Species Act due to a backlog of other species in line for protection.

In California, where monarchs west of the Rocky Mountains mostly flock for the winter, numbers have dipped to a record low. Last year, the state’s annual Thanksgiving monarch count revealed less than 30,000 butterflies, down from millions in the 1980s. Early projections from the 2020 survey put the California population at a mere 2,000, approximately.

“We’re at 99.9 percent decline in the population. It’s kind of shocking even for us,” said Emma Pelton, a conservation biologist with the Xerces Society, the nonprofit that runs the count. Pelton says a combination of habitat loss, pesticides, climate change and wildfire is driving the collapse.

“It’s definitely an example of death by a thousand cuts,” she said.

The monarch can’t be protected under the California Endangered Species Act, because a Sacramento Superior Court judge ruled in November that the act does not cover insects. Pelton says that makes federal protection critical.

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“It would really be kind of a lifeline to Western monarchs,” she said. “And I think at this point, that’s absolutely what we need.”

The Golden State provides a safe haven for the orange- and black-winged butterfly to escape harsh temperatures while overwintering in coastal forest groves. In the spring, monarchs give birth to the next generation of butterflies, laying their eggs on native milkweed plants. Pelton says protecting this habitat is key for the insect’s survival.

A status assessment conducted by the U.S. Fish and Wildlife Service found that the Western population of monarchs has a 60% or more chance of going extinct within the next decade. While the Eastern migratory population has fared somewhat better, it’s experienced a 70% decline since the 1990s.

Fish and Wildlife published the results of its assessment, which don’t account for this year’s precipitous drop in Western monarch populations, in the Federal Register on Thursday.

“We conducted an intensive, thorough review, using a rigorous, transparent science-based process and found that the monarch meets listing criteria under the Endangered Species Act,” said agency Director Aurelia Skipwith in a statement. “However, before we can propose listing, we must focus resources on our higher-priority listing actions.”

There are currently more than 160 species in front of the monarch in line for listing, according to the agency. Officials attribute the delay to workload constraints and the critical status of other species.

“It gives no protection. That’s I think the biggest takeaway,” Pelton said of the decision. “It’s saying that we don’t have the capacity to deal with this right now.

Without legal protections, the survival of monarchs will, for now, hinge on grassroots conservation efforts from groups like the Xerces Society and others.

A little bit of a silver lining with monarchs is that all of the efforts to conserve the species across North America have made and continue to make a big difference,” said Charlie Wooley, Fish and Wildlife director for the Great Lakes region, at a press conference Tuesday. “We are just so impressed with the way the American public have raised their hands, gotten engaged in planting milkweed on their private properties in their backyards, developing wildflower gardens that help monarchs and other pollinators.”

Unless the species rebounds, wildlife officials say, monarchs could receive endangered status in 2024.

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