Evaluation of the main hypotheses proposed for the causes of decline and failure to recover of the western Steller sea lion population depends on understanding how food web linkages affect sea lions.

SAN FRANCISCO -- San Francisco's Pier 39 is getting a lot of attention right now. It's seeing the largest number of sea lions gathered in about 15 years. The sea lions first appeared at Pier 39 after ...

There are three extant families of pinnipeds—the otariids (sea lions and fur seals), phocids (true seals), and odobenids (walruses). Steller sea lions are members of the Otariidae family. The otariids ...