Chapter

Magnetoreception

Michael H. Hofmann and Lon A. Wilkens

in Sensory Evolution on the Threshold

Published by University of California Press

Published in print April 2008 | ISBN: 9780520252783
Published online March 2012 | e-ISBN: 9780520934122 | DOI: http://dx.doi.org/10.1525/california/9780520252783.003.0019
Magnetoreception

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This chapter focuses on magnetoreception in animals. It provides a brief overview of the physics of the Earth's magnetic fields, followed by a description of animals known to sense these fields. Magnetic sense is present in many invertebrates such as bees, mealworm beetles, termites, lobsters, and marine mollusk. Migratory vertebrates that respond to magnetic fields include elasmobranchs, salmon, trout, eels, and tuna. Amphibians, birds, and mammals such as the blind mole rat use magnetic cues for navigation. The chapter also identifies sea turtles and cetaceans as the only secondarily aquatic tetrapods that have magnetic sense.

Keywords: magnetoreception; magnetic fields; magnetic sense; navigation; sea turtles; cetaceans

Chapter.  3880 words.  Illustrated.

Subjects: Zoology and Animal Sciences

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