This is The Detail's Long Read – one in-depth story read by us every weekend.
Photo: Giselle Clarkson / NZ Geographic
This week, 'There and back again' by Kate Evans, published in New Zealand Geographic magazine's September-October issue.
How do animals know where they’re going? Humans have been puzzling over the mysteries of migration and navigation for centuries, and our ideas about it have gone from absolutely wild to only slightly less so.
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