Orcas observed killing blue whales in ‘biggest predation event on the planet’

Orcas observed killing blue whales in ‘biggest predation event on the planet’

Killer whales truly deserve their name. They’ve been observed taking down everything from sea lions to great white sharks. And now, for the first time, they’ve been observed attacking and killing the largest animals on earth: blue whales. Scientists writing in the journal Marine Mammal Science on January 21 recorded three incidents in which orcas […]

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Mysterious California sea lion deaths linked to toxic synthetic chemicals

Mysterious California sea lion deaths linked to toxic synthetic chemicals

Sea lions in California had been dying of a mysterious cancer for decades. Now, scientists say they have finally uncovered the likely cause: toxic chemicals from industrial trash, pesticides and oil refinery waste. A team of mammal pathologists, virologists, chemists and geneticists have concluded that sea lions with higher concentrations of DDT, PCBs and other […]

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