"Lifeguards determined that a free diver had been bitten by a marine mammal (sea lion or harbor seal)," the department says.

TACOMA, Wash. (AP) — A baby sea lion toting an artificial kelp strip was filmed performing intricate rhythmic gymnastics-esque circles through the waters of an aquarium in Washington state.

Someone cut off the head of a sea lion in Northern California and rode off with it in a bag. Authorities are now offering $20 ...