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AAP
AAP
Keira Jenkins

Marine heatwave might have caused whale decline: study

Am Australian study has found humpback whale numbers dropped by 20 per cent from 2012 to 2021. (Dan Peled/AAP PHOTOS)

A severe marine heatwave might have led to a sharp decline in humpback whale populations, a study has found.

Scientists believe the "major event" that spanned 10 years indicates marine life is sensitive to climate change. 

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