A recent study published in the journal “American Naturalist” has revealed surprising carnivorous behavior among California ground squirrels. Researchers from the University of California, Los Angeles, observed these typically herbivorous rodents actively hunting and consuming voles, small mouse-like mammals. This discovery challenges the long-held assumption that ground squirrels are strictly herbivores. The study’s lead author, Dr. Emily Studd, stated, “We were astonished to witness these squirrels not only killing voles but also consuming them.” The observations took place in the Carrizo Plain National Monument, where cameras captured squirrels ambushing and killing voles. Analysis of squirrel fecal samples further confirmed the presence of vole remains. While occasional insect consumption has been documented in ground squirrels, this level of carnivorous behavior is unprecedented. The findings suggest that ground squirrels may be more opportunistic omnivores than previously thought, adapting their diets based on resource availability. This discovery has implications for understanding the complex ecological interactions within ecosystems and the adaptability of species.
Source: https://www.cnn.com/2024/12/18/science/california-squirrels-carnivorous-eating-voles/index.html