Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Magnetoreception and its use in bird navigation.

Henrik Mouritsen1, Thorsten Ritz

  • 1Volkswagen Nachwuchsgruppe Animal Navigation, Institute of Biology, University of Oldenburg, D-26111 Oldenburg, Germany. henrik.mouritsen@uni-oldenburg.de

Current Opinion in Neurobiology
|July 12, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

An open-source three-dimensional digital brain atlas of a migratory bird, the Eurasian blackcap.

Current biology : CB·2026
Same author

A Charge-Reversal Point Mutation Completely Depletes Flavin Chromophore from European Robin Cryptochrome 4a Protein.

The journal of physical chemistry letters·2026
Same author

Directionality range in Emlen funnels.

Journal of the Royal Society, Interface·2026
Same author

Oxygen-free metabolism in the bird inner retina supported by the pecten.

Nature·2026
Same author

Structure of European robin cryptochrome 1 reveals a role in circadian rhythms, not magnetoreception.

iScience·2026
Same author

Head-direction cells as a neural compass in bats navigating outdoors on a remote oceanic island.

Science (New York, N.Y.)·2025

Birds possess two magnetodetection senses for navigation: one using magnetite and another involving light-dependent processes in the eyes. Recent studies reveal behavioral responses and key molecules involved in this remarkable animal orientation ability.

Area of Science:

  • Animal physiology
  • Neuroethology
  • Biophysics

Background:

  • Animals, particularly migratory birds, exhibit remarkable abilities to sense and utilize Earth's magnetic field for orientation and navigation.
  • Understanding the physiological basis of magnetoreception is crucial for comprehending animal migratory behavior and sensory biology.

Purpose of the Study:

  • To review recent advances in understanding the physiological mechanisms of avian magnetoreception.
  • To highlight key findings and remaining questions in the field of animal magnetic sense.

Main Methods:

  • Review of recent experimental findings on bird behavior in response to magnetic fields.
  • Analysis of molecular and anatomical studies identifying potential magnetosensory components.
  • Integration of data from behavioral, molecular, and neurobiological research.

Related Experiment Videos

Main Results:

  • Evidence suggests two primary magnetodetection mechanisms: magnetite-based sensing and light-dependent radical-pair processes in the eyes.
  • Behavioral responses to oscillating magnetic fields have been observed in birds.
  • Putative magnetosensory molecules (cryptochromes) identified in bird eyes, and a magnetite cluster found in the beak.
  • A specific brain area integrating visual input for night navigation has been detected in songbirds.

Conclusions:

  • Recent discoveries provide significant insights into the complex mechanisms of avian magnetoreception.
  • The interplay between magnetite-based and radical-pair-based senses is a key area of ongoing research.
  • Further investigation is needed to fully elucidate the neural pathways and molecular details of magnetic field detection in animals.