Story: Bird migration

Michael Walker

Michael Walker

Many migratory birds and other animals are able to detect magnetism and use it as a navigation aid, but how they do this is not certain. Michael Walker is a New Zealander who has researched this question, investigating deposits of the iron-rich mineral magnetite in the brains of pigeons, bees, trout, tuna, stingrays and other animals.

Using this item

New Zealand Herald
Reference: 13 November 2003 (NZH-1001663)
Photograph by Paul Estcourt

Permission of the New Zealand Herald must be obtained before any re-use of this image.

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How to cite this page:

Christina Troup, 'Bird migration - Navigation and the magnetic field', Te Ara - the Encyclopedia of New Zealand, (accessed 15 April 2024)

Story by Christina Troup, published 12 Jun 2006, reviewed & revised 17 Feb 2015