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The elephants, who live at the San Diego Zoo Safari Park in Escondido, were engaging in a defensive behavior known as an “alert circle,” which is used in the wild to protect the youngest members of the herd from threats, said Mindy Albright, curator of mammals at the zoo.

Whitney Jacks, a mother in Escondido, recently posted in a moms group on Facebook for help finding a new pediatrician who would accept her preference to limit vaccines.

This move draws on island tradition that goes back to the 1930s, when Catalina’s owners, the Wrigley family, set up a ranch known as El Rancho Escondido, which grew into an Arabian horse-breeding operation.

By Friday, Palm Springs could get seven-tenths of an inch of rain; San Diego, up to 1.5 inches; Riverside, Irvine, Oceanside, Escondido and San Clemente, up to 2 inches; San Bernardino and Riverside, up to 2.5 inches.

During the lighter round of rain expected Wednesday, Riverside could get up to three-tenths of an inch; Anaheim and Irvine, up to two-fifths of an inch; Ontario, Lake Elsinore and San Clemente, up to half an inch; and San Diego, Escondido and Oceanside, up to seven-tenths of an inch.