Some California sea lions have been getting larger and larger, but not all of them. Strangely, it's only the males. Those sea lions have been steadily growing larger over time while females have ...

WASHINGTON (7News) — Staff at theSmithsonian’s National Zoo and Conservation Biology Institute are mourning the loss of Calli, a belovedfemale California sea lion, who died Sept. 7 ...

That’s not what has happened with California sea lions, however, according to a new study led by scientists at UC Santa Cruz. Published April 27 in Current Biology, the study found that male ...

To explore how California sea lion ecology has changed as their population has grown, the researchers analyzed museum specimens of adult male and female California sea lions collected in central ...

Nearly 1,000 abandoned California sea lions have washed ashore this year in what rehabilitation centers say is a growing ... Female sea lions may be having to expend more effort and time to ...

Two California sea lion pups were born at the Brookfield Zoo in June. ... Josephine, 7, gave birth to a female pup at Brookfield on June 4. Arie, who is estimated to be about 9, ...

The female California sea lion took the cross-country trip to her new home at the Bronx Zoo after wildlife officials determined she had become habituated to humans and could not be released back ...

In the study, the team analyzed museum specimens of adult male and female California sea lions that were collected between 1962 and 2008. To estimate changes in body size, ...

The California Wildlife Center is getting between 50 to 100 messages every day about sea lions suffering from domoic acid toxicity ever since an outbreak was reported off the coast of Malibu.

Josephine, one of the zoo's female California sea lions gave birth to a female pup on June 4. Later that month, another one of the zoo's sea lions, Arie gave birth to a male pup on June 11.

When a female adult sea lion came ashore in San Luis Obispo County in central California recently, ... removes tubes from a California sea lion in Sausalito, California, U.S., May 27, 2021.

To explore how California sea lion ecology has changed as their population has grown, the researchers analyzed museum specimens of adult male and female California sea lions collected in central ...