21 June 2018
Eric Warrant
By Michael
Marshall and Andy Coghlan
An Australian moth uses the
Earth’s magnetic field to help find its way across the continent. While other
insects have been shown to navigate using Earth’s magnetic field, the moth is
the first to do so over long distances and at night.
Bogong moths (Agrotis infusa), like the
famous monarch
butterflies in the Americas, make an epic migration. In
spring, about 2 billion of them leave their breeding grounds on the dry, flat
plains of south-east Australia, and fly over 1000 kilometres to …
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