An avian flu outbreak, which killed several elephant seals at California’s Año Nuevo State Park last month, has spread to ...

After H5N1 bird flu was detected in elephant seals gathered at Ano Nuevo State Park, other marine mammals have also succumbed, including a sea otter and sea lion. So far, only animals in San Mateo ...

Tool use was once believed to be exclusive to humans, but plenty of animals have since been seen using objects to help them forage for food, clean themselves and create shelter. One of these species ...

Along Oregon’s rugged coastline, a significant ecological transformation is quietly taking place. Sea otters, once abundant in these waters before being hunted to local extinction in the early 1900s, ...

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The California sea otter, a keystone species along the central California coast, has faced numerous challenges on its road to recovery from near extinction. While their population has gradually ...

Southern sea otters living along California’s coast are struggling in warmer seas, with new threats and changing food sources. They, like the other two sea otter subspecies, are classified as ...

Sea urchins play a pivotal role in shaping marine ecosystems, but a newly recognized, globe-spanning disease has caused dramatic die-offs of key species in recent years. A study reports that ...

Sea otters play a vital role in their ecosystems by controlling sea urchin populations. Without otters, urchins can overgraze kelp forests, causing widespread destruction. By keeping urchins in check, ...

Add Yahoo as a preferred source to see more of our stories on Google. Zoo visitors can now say, "Hello!" to sea otters for the very first time at the Cincinnati Zoo & Botanical Garden. Kevin and Chloe ...