Researchers tracking elephant seals off the Northern California coast say they have discovered the animals travel much farther than once thought.

Patrick Robinson is with the University of California, Santa Cruz's Ano Nuevo Natural Reserve. He tells the San Jose Mercury News (http://bit.ly/1DVfOcP) that researchers last year found that two elephant seals had crossed the international dateline, putting them closer to Russia than the United States.

Male elephant seals spend much of their time in the northern Pacific. Females tend to hunt in the northeast Pacific.

They return to Ano Nuevo in San Mateo County and other spots on the California coast each winter to breed.

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Information from: San Jose (Calif.) Mercury News, http://www.mercurynews.com