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California sea lions can also live in fresh water for periods of time, such as near Bonneville Dam, nearly 150 miles (240 km) up the Columbia River. [21] In 2004, a healthy California sea lion was found sitting on a road in Merced County, California, almost a hundred miles upstream from the San Francisco Bay and half a mile from the San Joaquin ...
At Bonneville Dam along the scenic Columbia River that divides Oregon and Washington states, a battle is raging between two species of mammals at very different levels of the food chain. At the ...
By 2006, the growing number of sea lions and their impact on the salmon population had become worrisome to the Army Corps of Engineers and environmentalists. [ 15 ] [ 16 ] Historically, pinnipeds such as sea lions and seals have hunted salmon in the Columbia River as far as The Dalles and Celilo Falls , 60 miles (97 km) farther upstream from ...
The Steller sea lion (Eumetopias jubatus), also known as Steller's sea lion or the northern sea lion, is a large, near-threatened species of sea lion, predominantly found in the coastal marine habitats of the northeast Pacific Ocean and the Pacific Northwest regions of North America, from north-central California to Oregon, Washington and British Columbia to Alaska.
A sign warning people of an aggressive seal/sea lion along the Dana Strands Beach area in Dana Point, Calif., on June 28, 2023. (Courtesy John Kubota)
A sick California sea lion lies collapsed on Cayucos State Beach recently. The Marine Mammal Center has reported a surge in sick California sea lions washing up on Central California beaches in ...
A male California sea lion weighs on average about 300 kg (660 lb) and is about 2.4 m (8 ft) long, while the female sea lion weighs 100 kg (220 lb) and is 1.8 m (6 ft) long. The largest sea lions are Steller's sea lions , which can weigh 1,000 kg (2,200 lb) and grow to a length of 3.0 m (10 ft).
The sea lions seen in Sacramento are typically adult males coming from the Channel Islands off the coasts of Los Angeles and Santa Barbara, NOAA spokesman Michael Milstein told The Bee in 2022.