'The blob,' food supply squeeze to blame for largest seabird die-off

[ScienceDaily]

When nearly one million common murres died at sea and washed ashore from California to Alaska in 2015 and 2016, it was unprecedented -- both for murres, and across all bird species worldwide. Scientists blame an unexpected squeeze on the ecosystem's food supply, brought on by a severe and long-lasting marine heat wave known as 'the blob.'

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