A Documentary Follows Biologists Fighting Ravens with Lasers and Decoys to Save Desert Tortoises
In 1990, the desert tortoise landed on the federal endangered species list following decades of decline. Expanding human populations in the western U.S. encroached on wild habitats and brought more ravens to the Mojave Desert—the large, black birds are known to scavenge for food and have a particular taste for young reptiles. Coupled with the effects of the climate crisis, these changes rapidly propelled the species toward extinction.
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