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Mojave desert tortoise officially joins California's endangered list

desert tortoise
Credit: Pixabay/CC0 Public Domain

The California Fish and Game Commission has formally recognized the Mojave desert tortoise as endangered.

The designation, granted April 18, is the latest in a long series of steps to try to protect the dwindling population of the desert creature, which biologists say is heading toward extinction.

The tortoise was designated as threatened under the California Endangered Species Act in 1989 and as threatened under the Endangered Species Act in 1990. In 2020, Defenders of Wildlife, Desert Tortoise Council and Desert Tortoise Preserve petitioned to change the tortoise's status to endangered, which would give it higher priority and funding for such as habitat protection and recovery efforts.

The commission then granted temporary endangered species to the desert tortoise while it considered adding it permanently to the list.

A recovery plan was created in 1994, and then revised in 2011 after there were issues implementing the recovery strategies.

From 2001 to 2020, in tortoise conservation areas went down by an average of 1% per year in the Colorado Desert and Eastern Mojave Recovery units, according to a February 2024 California Department of Fish and Wildlife report.

The minimum density for the tortoises to remain viable is 3.9 adults per square kilometer, according to the report. Only two out of the 10 designated tortoise conservation areas currently meet that threshold.

About 1 million animal and are at risk of being endangered—more than ever in , according to a recent report from the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services.

The abundance of native species in land habitats has decreased by about 20% since 1900, according to the report. More than 40% of , nearly 33% of reef-forming corals and more than a third of marine animals are threatened.

Sadly, California's state reptile—formally Gopherus agassizii—is hurtling toward extinction. Vehicle strikes, urban encroachment, hungry ravens, military maneuvers, disease, drought, , wildfires, illegal marijuana grows and development of massive solar farms are all pushing the species to the brink.

The tortoises live in the rocky foothills north and west of the Colorado River in California, Arizona, Utah and Nevada. They feed on grasses, cacti, herbs and wildflowers.

They hibernate for up to nine months each year and are most active from March to June and September to October. The sleep pays a longevity dividend—the tortoises can live for 50 to 80 years.

2024 Los Angeles Times. Distributed by Tribune Content Agency, LLC.

Citation: Mojave desert tortoise officially joins California's endangered list (2024, April 22) retrieved 23 June 2024 from
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