Study finds beef is the main food source for California wolves

Researchers from U.C. Davis say wolves in California are living on domesticated cattle herds, and cattle are stressed in regions wolves are present.

A gray wolf captured on a game camera approaching a bull in June of 2023. (Tina Saitone and Kenneth Tate / UC Davis)

Ranchers in California’s rural north say wolves pose an existential threat to their cattle. New research from U.C. Davis backs them up: Cattle made up the majority of wolves’ diets in Northern California in 2022 and 2023.

For those two summ…