Ocean heat killed half of population of Alaskan bird species: Report

(NewsNation) — In what is considered the largest documented wildlife mortality event in the modern era, a heating ocean wiped out half of Alaska's common murre seabird population, a new study found.

Scientists have noticed an increase in marine heatwaves, which are periods of warmer-than-usual ocean waters. A study published in the journal "Science" on Thursday assesses how marine heatwaves have impacted wildlife.

Researchers found a loss of four million common murres in Alaska...