Stars and inner compass guide moths and birds, say researchers

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Stars and inner compass guide moths and birds, say researchers

Longstanding questions about how migratory animals navigate are being answered through the study of eye molecules and the quantum realm.

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Grey-brown bogong moths may not be much to look at, but every year they perform a nocturnal journey worthy of attention. Billions of them fly as many as 1 000 kilometres from plains in eastern Australia to mountain caves to escape the summer heat.

Arriving in late September from their breeding grounds, up to 17 000 moths pack each square metre of cave wall and lie in a dormant state in a southeast mountain range known as the Australian Alps.

Read More: Horizon