Tag: Sea lions

August 13, 2020

Ocean heatwaves bring dramatic shifts to wildlife

Climate change is altering the preferred temperatures of a wide range of wildlife, marine heatwaves can do the same in a fraction of the time, NOAA scientists found. In a...

November 29, 2018

Shot sea lions wash up in Puget Sound

Volunteers in Washington state have reported an unusually high number of dead sea lions washing up on beaches in Puget Sound, many of which have been shot. At least 16...

August 15, 2018

Marine mammals lost gene that protects against pesticide

As marine mammals evolved, they lost the ability to make a protein that defends land-dwelling mammals from the effects of a common pesticide — one that is increasingly finding its...

February 14, 2018

JWM: Recovered California sea lions on the decline again

After a decades-long recovery, California sea lions (Zalophus californianus) are dwindling again due to climate-driven reductions in prey, a recent long-term study shows. Centuries of human exploitation had once suppressed...

July 25, 2017

High ocean temperatures weaken sea lion immunity

Higher than normal sea surface temperatures may compromise California sea lion (Zalophus californianus) pups’ immune systems, according to new research. During a sea surface temperature anomaly during 2014 and 2015...

August 10, 2016

Polluted sea lions poison condors

Marine mammals are so polluted that they are poisoning endangered condors, according to a new study. California condors (Gymnogyps californianus) that fed on marine mammal carcasses had high blood levels...

December 15, 2015

Toxic Algae Could Be Confusing Stranded Sea Lions

It may take both sides of the brain to find a fish. Large numbers of sea lions turning up stranded on the California coasts may be suffering from neurotoxic damage...

June 9, 2015

Predator Recovery Creates New Management Challenges

Conservationists often struggle to institute affordable wildlife recovery plans that actually work, fully aware that success stories aren’t always the rule. But a new study published in Conservation Letters shows...

Sea lion
May 12, 2015

A Deeper Look at Record Sea Lion Pup Strandings

The California Stranding Network started getting calls at the very beginning of the year. California Sea lion pups (Zalophus californianus) — sometimes three or four in one area in a...