News tagged with otters

Salmon can sniff out predators

Salmon know when their most common predator is around, because they can tell that it's eaten salmon before, new research shows. Young fish can do this too, even if they've never encountered that particular ...

dateSep 13, 2011 in Plants & Animals
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Freshwater toxins to blame for sea otter deaths

A potent toxin produced by bright-green blooms of freshwater bacteria has been flowing into the ocean and poisoning sea otters, according to a team of investigators led by scientists at the California Department ...

dateSep 13, 2010 in Environment
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Sea otters promote recovery of seagrass beds

Scientists studying the decline and recovery of seagrass beds in one of California's largest estuaries have found that recolonization of the estuary by sea otters was a crucial factor in the seagrass comeback. ...

dateAug 26, 2013 in Ecology
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Sea Otters' Diet is Clue to Slow Recovery

(PhysOrg.com) -- UC Davis researchers trying to understand the sea otter's slow recovery in California have found an important clue: Some sea otters feed almost exclusively on animals that raise their risk of being infected ...

dateFeb 12, 2009 in
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Earthworm invasion

Beavers reshape landscapes with their dams. Wolves control elk populations. Sea otters protect kelp forests by eating sea urchins. These are what ecologists call "keystone" species: critters that control ...

dateSep 12, 2013 in Ecology
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Study shows best places to protect marine mammals

(AP) -- From sea otters to blue whales, marine mammals are under stress from climate change, ocean acidification, hunting and other threats. Researchers have identified 20 important sites around the world ...

dateAug 01, 2011 in Ecology
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