Sea lion attacks swimmer in San Francisco Bay - BBC News
Citywide Statues Commemorate 30th Anniversary of Sea Lions' Arrival - Bay Crossings
Here's why 30 sea lions are popping up around San Francisco this year
Big boy' sea lion spotted on San Francisco's Pier 39
Pickles the Sea Lion is Darted at PIER 39
30 years of alongside sea lions in the San Francisco Bay
29th Anniversary of the San Francisco Sea Lions - SAN FRANCISCO LOVE TOURS
30 Years of Sea Lions in San Francisco
Here's why 30 sea lions are popping up around San Francisco this year
Citywide Statues Commemorate 30th Anniversary of Sea Lions' Arrival - Bay Crossings
Sea lions at Pier 39 in San Francisco: 30 Years Later - The New York Times
Sea lions go from nuisance to San Francisco staple 30 years ago, hundreds of smelly, noisy and blubbery sea lions invaded San Francisco's Fisherman's Wharf -- residents deemed them a nuisance.
What happened to the sea lions on Pier 39? Colony of mammals inhabiting San Francisco dock mysteriously disappear overnight
San Francisco sea lions celebrated 30 years after invading the docks