The massive sea lion known as Chonkers hasn't been seen in days, leading to confusion - including at the Chronicle.

A viral video of a man attacking a sea lion has been circulating on social media for the last couple of days.

A little, malnourished sea lion named Sierra is now in safe hands after being saved from a California roadway. CNN's Patrick ...

Stellar sea lions like Chonkers are about 10 times bigger than the California sea lions usually seen at Pier 39.

The Stellar sea lion reportedly sounds like a falling tree when he belly flops onto floats.

An intrepid sea lion nicknamed Chonkers is waddling his way into the hearts of tourists and locals who have flocked to San Francisco’s Pier 39 for a glimpse of the massive pinniped. On Thursday ...

A particularly massive sea lion has Bay Area residents flocking to the dock of Pier 39 in San Francisco to spot the mammal affectionately named "Chonkers." ...

Scientists and tourists alike have been amazed by the massive sea lion hanging out on a San Francisco pier. The species can grow nearly twice the size of California sea lions.

Chonkers is a beefy Steller sea lion that has gone viral for basking at Pier 39, a shopping center in San Francisco.

Chonkers is estimated to weigh between 1,500 to 2,000 pounds, Laura Gill, a public programs manager at The Marine Mammal ...

A trio of sea lions frolicked in front of us as we snorkeled on the coast of the Galapagos Islands. A sea turtle glided by a ...