They are found off northern Pacific coasts from Japan to California. Steller sea lion breeding is one of nature's great mass spectacles. When these giants thunder ashore, their favored beaches ...

NOAA officials are looking for a suspect seen using a black 8-inch knife to remove the deceased sea lion's head.

In mid-March, Portlanders documented dozens of male sea lions taking residence ... river each year and for longer periods of time. Steller sea lions, for example, which were first spotted at ...

Most years, male California sea lions migrate during ... but females and pups stay near the breeding areas. Steller sea lions ...