Wolfgang Wiltschko

Summary

Affiliation: Frankfurt am Main
Country: Germany

Publications

  1. ncbi request reprint Magnetite-based magnetoreception in birds: the effect of a biasing field and a pulse on migratory behavior
    Wolfgang Wiltschko
    Fachbereich Biologie und Informatik, Zoologie, J W Goethe Universität Frankfurt am Main, Siesmayerstrasse 70, D 60054 Frankfurt am Main, Germany
    J Exp Biol 205:3031-7. 2002
  2. ncbi request reprint Two different types of light-dependent responses to magnetic fields in birds
    Roswitha Wiltschko
    Zoologisches Institut, J W Goethe Universitat, D 60054 Frankfurt a M, Germany
    Curr Biol 15:1518-23. 2005
  3. doi request reprint Magnetoreception in birds: no intensity window in "fixed direction" responses
    Wolfgang Wiltschko
    FB Biowissenschaften, J W Goethe Universität Frankfurt, Siesmayerstrasse 70, 60054, Frankfurt am Main, Germany
    Naturwissenschaften 97:37-42. 2010
  4. pmc Oscillating magnetic field disrupts magnetic orientation in Zebra finches, Taeniopygia guttata
    Nina Keary
    Lehrstuhl Verhaltensforschung, Universitat Bielefeld, Postfach 100131, D 33501 Bielefeld, Germany
    Front Zool 6:25. 2009
  5. ncbi request reprint Sun-compass orientation in homing pigeons: compensation for different rates of change in azimuth?
    R Wiltschko
    Fachbereich Biologie, Zoologie, der J W Goethe Universität Frankfurt a M, Siesmayerstrasse 70, D 60054 Frankfurt a M, Germany
    J Exp Biol 203:889-94. 2000
  6. ncbi request reprint Magnetic orientation and magnetoreception in birds and other animals
    Wolfgang Wiltschko
    Zoologisches Institut der J W Goethe Universität Frankfurt, Siesmayerstr 70, 60054 Frankfurt am Main, Germany
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 191:675-93. 2005
  7. ncbi request reprint Avian magnetic compass: fast adjustment to intensities outside the normal functional window
    Wolfgang Wiltschko
    Fachbereich Biowissenschaften der J W Goethe Universität Frankfurt, Siesmayerstrasse 70, 60054 Frankfurt a M, Germany
    Naturwissenschaften 93:300-4. 2006
  8. ncbi request reprint Light-dependent magnetoreception in birds: interaction of at least two different receptors
    Wolfgang Wiltschko
    Fachbereich Biologie und Informatik, Zoologie, J W Goethe Universität Frankfurt, Siesmayerstrasse 70, 60054, Frankfurt a M, Germany
    Naturwissenschaften 91:130-4. 2004
  9. ncbi request reprint Light-dependent magnetoreception in birds: analysis of the behaviour under red light after pre-exposure to red light
    Wolfgang Wiltschko
    Fachbereich Biologie und Informatik, Zoologie, J W Goethe Universität Frankfurt, Siesmayerstrasse 70, D 60054 Frankfurt am Main, Germany
    J Exp Biol 207:1193-202. 2004
  10. pmc Magnetic orientation in birds: non-compass responses under monochromatic light of increased intensity
    Wolfgang Wiltschko
    Zoologisches Institut der J W Goethe Universität Frankfurt a M, Siesmayerstrasse 70, D 60054 Frankfurt a M, Germany
    Proc Biol Sci 270:2133-40. 2003

Collaborators

Detail Information

Publications58

  1. ncbi request reprint Magnetite-based magnetoreception in birds: the effect of a biasing field and a pulse on migratory behavior
    Wolfgang Wiltschko
    Fachbereich Biologie und Informatik, Zoologie, J W Goethe Universität Frankfurt am Main, Siesmayerstrasse 70, D 60054 Frankfurt am Main, Germany
    J Exp Biol 205:3031-7. 2002
    ..Possible interpretations, including other arrangements of single domains and superparamagnetic crystals, are discussed...
  2. ncbi request reprint Two different types of light-dependent responses to magnetic fields in birds
    Roswitha Wiltschko
    Zoologisches Institut, J W Goethe Universitat, D 60054 Frankfurt a M, Germany
    Curr Biol 15:1518-23. 2005
    ....
  3. doi request reprint Magnetoreception in birds: no intensity window in "fixed direction" responses
    Wolfgang Wiltschko
    FB Biowissenschaften, J W Goethe Universität Frankfurt, Siesmayerstrasse 70, 60054, Frankfurt am Main, Germany
    Naturwissenschaften 97:37-42. 2010
    ..Fixed direction" responses are possibly a relict of a receptor mechanism that changed its function, now mainly providing information on magnetic intensity...
  4. pmc Oscillating magnetic field disrupts magnetic orientation in Zebra finches, Taeniopygia guttata
    Nina Keary
    Lehrstuhl Verhaltensforschung, Universitat Bielefeld, Postfach 100131, D 33501 Bielefeld, Germany
    Front Zool 6:25. 2009
    ..abstract:..
  5. ncbi request reprint Sun-compass orientation in homing pigeons: compensation for different rates of change in azimuth?
    R Wiltschko
    Fachbereich Biologie, Zoologie, der J W Goethe Universität Frankfurt a M, Siesmayerstrasse 70, D 60054 Frankfurt a M, Germany
    J Exp Biol 203:889-94. 2000
    ..The results suggest that pigeons have a rather precise internal representation of the sun curve, which makes the avian sun compass a highly accurate mechanism of direction finding...
  6. ncbi request reprint Magnetic orientation and magnetoreception in birds and other animals
    Wolfgang Wiltschko
    Zoologisches Institut der J W Goethe Universität Frankfurt, Siesmayerstr 70, 60054 Frankfurt am Main, Germany
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 191:675-93. 2005
    ..Histological and electrophysiological data suggest a magnetite-based mechanism in the nasal cavities of salmonid fish. Little is known about the parts of the brain where the respective information is processed...
  7. ncbi request reprint Avian magnetic compass: fast adjustment to intensities outside the normal functional window
    Wolfgang Wiltschko
    Fachbereich Biowissenschaften der J W Goethe Universität Frankfurt, Siesmayerstrasse 70, 60054 Frankfurt a M, Germany
    Naturwissenschaften 93:300-4. 2006
    ..Interpreting these findings in view of the radical pair model (Ritz et al. 2000), this means that they can learn rather quickly to interpret novel activation patterns on their retina...
  8. ncbi request reprint Light-dependent magnetoreception in birds: interaction of at least two different receptors
    Wolfgang Wiltschko
    Fachbereich Biologie und Informatik, Zoologie, J W Goethe Universität Frankfurt, Siesmayerstrasse 70, 60054, Frankfurt a M, Germany
    Naturwissenschaften 91:130-4. 2004
    ..This clearly shows that yellow light is not neutral and suggests the involvement of at least two types of receptors in obtaining magnetic compass information, with the specific interaction of these receptors being rather complex...
  9. ncbi request reprint Light-dependent magnetoreception in birds: analysis of the behaviour under red light after pre-exposure to red light
    Wolfgang Wiltschko
    Fachbereich Biologie und Informatik, Zoologie, J W Goethe Universität Frankfurt, Siesmayerstrasse 70, D 60054 Frankfurt am Main, Germany
    J Exp Biol 207:1193-202. 2004
    ..Mechanisms involving two types of spectral mechanisms with different absorbance maxima and their possible interactions are discussed...
  10. pmc Magnetic orientation in birds: non-compass responses under monochromatic light of increased intensity
    Wolfgang Wiltschko
    Zoologisches Institut der J W Goethe Universität Frankfurt a M, Siesmayerstrasse 70, D 60054 Frankfurt a M, Germany
    Proc Biol Sci 270:2133-40. 2003
    ..The polar nature of the response under bright green cannot be explained by the current models of light-dependent magnetoreception and will lead to new considerations on these receptive processes...
  11. ncbi request reprint Does familiarity with the release site reduce the deflection induced by clock-shifting? A comment to the paper by Gagliardo et al. (2005)
    Roswitha Wiltschko
    Zoologisches Institut der J W Goethe Universität Frankfurt, Siesmayerstrasse 70, D 60054, Frankfurt am Main, Germany
    J Exp Biol 208:4001-2; discussion 4002-3. 2005
  12. ncbi request reprint Magnetic compass orientation in birds and its physiological basis
    Wolfgang Wiltschko
    Fachbereich Biologie und Informatik der J W Goethe Universität, Zoologie, Siesmayerstrasse 70, 60054 Frankfurt am Main, Germany
    Naturwissenschaften 89:445-52. 2002
    ..Each unit showed a peak in a distinct spatial direction, so that the input of these units, processed collectively and integrated, would indicate compass directions...
  13. ncbi request reprint Lateralization of magnetic compass orientation in a migratory bird
    Wolfgang Wiltschko
    Zoologisches Institut, Fachbereich Biologie und Informatik, J W Goethe Universitat, Siesmayerstrasse 70, D 60054 Frankfurt am Main, Germany
    Nature 419:467-70. 2002
    ..This implies that magnetoreception for compass orientation, assumed to take place in the eyes alongside the visual processes, is strongly lateralized, with a marked dominance of the right eye/left brain hemisphere...
  14. ncbi request reprint Light-dependent magnetoreception in birds: the effect of intensity of 565-nm green light
    W Wiltschko
    Fachbereich Biologie, Zoologie, der J W Goethe Universität Frankfurt a M, Germany
    Naturwissenschaften 87:366-9. 2000
    ....
  15. ncbi request reprint Light-dependent magnetoreception in birds: the behaviour of European robins, Erithacus rubecula, under monochromatic light of various wavelengths and intensities
    W Wiltschko
    Fachbereich Biologie, Zoologie, J W Goethe Universität Frankfurt a M, Siesmayerstrasse 70, D 60054 Frankfurt a M, Germany
    J Exp Biol 204:3295-302. 2001
    ..Magnetoreception appears to follow rules that are different from those of vision, suggesting that light-dependent magnetoreception may involve receptors and neuronal pathways of its own...
  16. ncbi request reprint Magnetic compass orientation of European robins under 565 nm green light
    W Wiltschko
    Fachbereich Biologie und Informatik, J W Goethe Universität Frankfurt am Main, Siesmayerstrasse 70, 60054 Frankfurt am Main, Germany
    Naturwissenschaften 88:387-90. 2001
    ..The behavior recorded under green light at an intensity of 2.1 mW m-2 is thus not different from that previously recorded under "white" light; it represents normal migratory orientation...
  17. doi request reprint Light-dependent magnetoreception: orientation behaviour of migratory birds under dim red light
    Roswitha Wiltschko
    Fachbereich Biowissenschaften der J W Goethe Universität, Frankfurt am Main, Germany
    J Exp Biol 211:3344-50. 2008
    ..These findings indicate that the observed 'fixed direction' response under dim red light is fundamentally different from the normal compass orientation, which is based on radical pair processes...
  18. ncbi request reprint Magnetic compass orientation of migratory birds in the presence of a 1.315 MHz oscillating field
    Peter Thalau
    Zoologisches Institut, J W Goethe Universität Frankfurt, Siesmayerstr 70, 60054 Frankfurt am Main, Germany
    Naturwissenschaften 92:86-90. 2005
    ..These finding are in agreement with theoretical predictions and support the assumption of a radical-pair mechanism underlying the processes mediating magnetic compass information in birds...
  19. ncbi request reprint Magnetite-based magnetoreception: the effect of repeated pulsing on the orientation of migratory birds
    Wolfgang Wiltschko
    Fachbereich Biowissenschaften der J W Goethe Universität, Siesmayerstrasse 70, D 60054, Frankfurt am Main, Germany
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 193:515-22. 2007
    ..The bearing of these findings on the question of whether single domains or superparamagnetic particles are involved in the magnetite-based receptors is discussed...
  20. doi request reprint Orientation of birds in total darkness
    Katrin Stapput
    Fachbereich Biowissenschaften J W Goethe Universität Frankfurt, Siesmayerstrasse 70, D 60054 Frankfurt am Main, Germany
    Curr Biol 18:602-6. 2008
    ....
  21. doi request reprint Magnetic orientation of migratory robins, Erithacus rubecula, under long-wavelength light
    Roswitha Wiltschko
    Fachbereich Biowissenschaften, J W Goethe Universität Frankfurt, Siesmayerstraße 70, D 60054 Frankfurt am Main, Germany
    J Exp Biol 214:3096-101. 2011
    ..Exposure to long-wavelength light thus does not expand the spectral range in which the magnetic compass operates but instead causes a different mechanism to take over and control orientation...
  22. pmc Development of lateralization of the magnetic compass in a migratory bird
    Dennis Gehring
    FB Biowissenschaften, J W Goethe Universität Frankfurt, Siesmayerstr 70, 60054 Frankfurt am Main, Germany
    Proc Biol Sci 279:4230-5. 2012
    ..Because both eyes mediate identical information about the geomagnetic field, brain asymmetry for the magnetic compass could increase efficiency by setting the other hemisphere free for other processes...
  23. ncbi request reprint The magnetic compass of domestic chickens, Gallus gallus
    Wolfgang Wiltschko
    FB Biowissenschaften, J W Goethe Universität Frankfurt, D 61231 Frankfurt am Main, Germany
    J Exp Biol 210:2300-10. 2007
    ..This suggests that the avian magnetic compass may have evolved in the common ancestor of all present-day birds to facilitate orientation within the home range...
  24. doi request reprint A strong magnetic anomaly affects pigeon navigation
    Roswitha Wiltschko
    Fachbereich Biowissenschaften der JW Goethe Universität Frankfurt, Siesmayerstrasse 70, D 60054 Frankfurt am Main, Germany
    J Exp Biol 212:2983-90. 2009
    ..This, in turn, implies that pigeons can sense the respective changes in magnetic intensity. Magnetic cues seem to be included in the normal navigational processes that determine the departure direction...
  25. pmc Lateralization of magnetic compass orientation in pigeons
    Christiane Wilzeck
    Psychologisches Institut, Johann Wolfgang Goethe Universitat, Mertonstr 17, 60054 Frankfurt am Main, Germany
    J R Soc Interface 7:S235-40. 2010
    ..Our findings demonstrate bilateral processing of magnetic information, but also suggest qualitative differences in how the left and the right brain deal with magnetic cues...
  26. doi request reprint Magnetoreception of directional information in birds requires nondegraded vision
    Katrin Stapput
    Fachbereich Biowissenschaften, J W Goethe Universität Frankfurt, Siesmayerstrasse 70, D 60054 Frankfurt am Main, Germany
    Curr Biol 20:1259-62. 2010
    ..This suggests crucial interactions between the processing of visual pattern information and the conversion of magnetic input into directional information...
  27. pmc Avian orientation: the pulse effect is mediated by the magnetite receptors in the upper beak
    Wolfgang Wiltschko
    Fachbereich Biowissenschaften der J W Goethe Universität, 60054 Frankfurt am Main, Germany
    Proc Biol Sci 276:2227-32. 2009
    ..This indicates that the superparamagnetic magnetite-containing structures in the skin of the upper beak are most likely the magnetoreceptors that cause the change in headings observed after pulse treatment...
  28. pmc Bird navigation: what type of information does the magnetite-based receptor provide?
    Wolfgang Wiltschko
    Fachbereich Biowissenschaften der J W Goethe Universität, Siesmayerstrasse 70, 60054 Frankfurt am Main, Germany
    Proc Biol Sci 273:2815-20. 2006
    ..Thus, magnetite-based receptors seem to mediate magnetic 'map'-information used to determine position, and when affected by a pulse, they provide birds with false positional information that causes them to change their course...
  29. pmc Directional orientation of birds by the magnetic field under different light conditions
    Roswitha Wiltschko
    FB Biowissenschaften, J W Goethe Universität Frankfurt, Siesmayerstrasse 70, D 60054 Frankfurt am Main, Germany
    J R Soc Interface 7:S163-77. 2010
    ..The influence of light conditions on the two types of response suggests complex interactions between magnetoreceptors in the right eye, those in the upper beak and the visual system...
  30. doi request reprint Different responses of two strains of chickens to different training procedures for magnetic directions
    Susanne Denzau
    FB Biowissenschaften, J W Goethe Universität Frankfurt, Siesmayerstrasse 70, 60054, Frankfurt am Main, Germany
    Anim Cogn 16:395-403. 2013
    ..Our results thus demonstrate the crucial role of the training method for conditioning to magnetic stimuli, with differences found even between strains of the same species...
  31. pmc Avian ultraviolet/violet cones identified as probable magnetoreceptors
    Christine Niessner
    Fachbereich Biowissenschaften der J W Goethe Universität Frankfurt, Frankfurt am Main, Germany
    PLoS ONE 6:e20091. 2011
    ..But so far, the exact subcellular characterization of these molecules in the retina remained unknown...
  32. doi request reprint Learning of magnetic compass directions in pigeons
    Christiane Wilzeck
    Psychologisches Institut, Goethe Universitat, Mertonstr 17, 60054 Frankfurt am Main, Germany
    Anim Cogn 13:443-51. 2010
    ..Our findings represent the first evidence for operant magnetic compass learning in pigeons and also provide a link between behavioural data from the field and the laboratory...
  33. pmc Magnetoreception: activated cryptochrome 1a concurs with magnetic orientation in birds
    Christine Nießner
    FB Biowissenschaften, J W Goethe Universität Frankfurt, Siesmayerstrasse 70, 60054 Frankfurt am Main, Germany
    J R Soc Interface 10:20130638. 2013
    ....
  34. doi request reprint Conditioning domestic chickens to a magnetic anomaly
    Susanne Denzau
    FB Biowissenschaften, J W Goethe Universität Frankfurt, Siesmayerstrasse 70, 60054, Frankfurt am Main, Germany
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 197:1137-41. 2011
    ..The chicks favoured the corner with the anomaly from day 10 after hatching onward. Both strains of chickens showed this preference, indicating that they could sense the local changes in the magnetic field...
  35. ncbi request reprint Homing pigeons (Columba livia f. domestica) can use magnetic cues for locating food
    Peter Thalau
    Fachbereich Biowissenschaften, J W Goethe Universität Frankfurt, Siesmayerstr 70, 61231 Frankfurt am Main, Germany
    Naturwissenschaften 94:813-9. 2007
    ..The significant preference of the magnetically marked food depot by the experimental birds shows that homing pigeons cannot only detect a magnetic anomaly but can also use it as a cue for locating hidden food in an open arena...
  36. ncbi request reprint Ultrastructural analysis of a putative magnetoreceptor in the beak of homing pigeons
    Gerta Fleissner
    Zoologisches Institut, J W Goethe Universität Frankfurt am Main, Siesmayerstrasse 70, D 60054 Frankfurt am Main, Germany
    J Comp Neurol 458:350-60. 2003
    ....
  37. pmc Tracking pigeons in a magnetic anomaly and in magnetically "quiet" terrain
    Ingo Schiffner
    Fachbereich Biowissenschaften der J W Goethe Universität Frankfurt, Germany
    Naturwissenschaften 98:575-81. 2011
    ..These findings support the assumption that magnetically anomalous conditions initially interfere with the pigeons' navigational processes, with birds showing rather individual responses in their attempts to overcome these problems...
  38. doi request reprint Point of decision: when do pigeons decide to head home?
    Ingo Schiffner
    Fachbereich Biowissenschaften, J W Goethe Universität Frankfurt, Siesmayerstr 70, 60054, Frankfurt am Main, Germany
    Naturwissenschaften 96:251-8. 2009
    ..The behavior during this phase seems to be controlled by flight preparation, exploration, and non-navigational motivations rather than by navigational necessities alone...
  39. doi request reprint Temporal fluctuations of the geomagnetic field affect pigeons' entire homing flight
    Ingo Schiffner
    Fachbereich Biowissenschaften der J W Goethe Universität Frankfurt, Haus A, Frankfurt am Main, Germany
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 197:765-72. 2011
    ..This continuing effect of magnetic fluctuations indicates that magnetic factors not only affect the beginning, but remain an integral part of the pigeons' navigational processes during the entire homing flight...
  40. ncbi request reprint Wiltschko et al. reply
    Wolfgang Wiltschko
    Fachbereich Biowissenschaften, J W Goethe Universitat, Siesmayerstrasse 70, D 60054 Frankfurt am Main, Germany
    Nature 471:E1. 2011
    ....
  41. doi request reprint The role of the magnetite-based receptors in the beak in pigeon homing
    Roswitha Wiltschko
    Fachbereich Biowissenschaften, J W Goethe Universität Frankfurt, Siesmayerstrasse 70, Frankfurt am Main, Germany
    Curr Biol 20:1534-8. 2010
    ..These findings indicate that the receptors in the beak mediate magnetic "map" information and that this information is normally included in the navigational process yet can be replaced by nonmagnetic factors at most sites...
  42. pmc Avian magnetic compass can be tuned to anomalously low magnetic intensities
    Michael Winklhofer
    Department für Geo und Umweltwissenschaften, Ludwig Maximillians Universitat Munchen, Theresienstrasse 41 IV, D 80333 Munich, Germany
    Proc Biol Sci 280:20130853. 2013
    ..This is in agreement with the idea that the avian magnetic compass may have developed already in the Mesozoic in the common ancestor of modern birds...
  43. ncbi request reprint Retinal cryptochrome in a migratory passerine bird: a possible transducer for the avian magnetic compass
    Andrea Möller
    Zoologisches Institut, Fachbereich Biologie und Informatik, J W Goethe Universitat, Siesmayerstrasse 70, 60323, Frankfurt am Main, Germany
    Naturwissenschaften 91:585-8. 2004
    ..In light of the 'radical-pair' model, our findings support a potential role of cryptochromes as transducers for the perception of magnetic compass information in birds...
  44. doi request reprint Global navigation in migratory birds: tracks, strategies, and interactions between mechanisms
    Wolfgang Wiltschko
    FB Biowissenschaften, JW Goethe Universität, Siesmayerstraße 70, D 60054 Frankfurt am Main, Germany
    Curr Opin Neurobiol 22:328-35. 2012
    ....
  45. doi request reprint Magnetoreception
    Roswitha Wiltschko
    Fachbereich Biowissenschaften, J W Goethe Universitaet, Frankfurt am Main, Germany
    Adv Exp Med Biol 739:126-41. 2012
    ..g., in mammals. Little is known about the magnetoreception mechanisms in other animals...
  46. pmc The magnetic compass mechanisms of birds and rodents are based on different physical principles
    Peter Thalau
    Fachbereich Biowissenschaften der J W Goethe Universität Frankfurt, Siesmayerstrasse 70, 60054 Frankfurt am Main, Germany
    J R Soc Interface 3:583-7. 2006
    ..These results indicate that in contrast to that of birds, their magnetic compass does not involve radical pair processes; it seems to be based on a fundamentally different principle, which probably involves magnetite...
  47. pmc Interaction of magnetite-based receptors in the beak with the visual system underlying 'fixed direction' responses in birds
    Roswitha Wiltschko
    Fachbereich Biowissenschaften der J, W, Goethe Universitat, Siesmayerstrasse 70, D 60054 Frankfurt am Main, Germany
    Front Zool 7:24. 2010
    ..Both responses are light-dependent. Lateralization of the 'fixed direction' responses would suggest an interaction between the two magnetoreception systems...
  48. ncbi request reprint The sea-finding behavior of hatchling olive ridley sea turtles, Lepidochelys olivacea, at the beach of San Miguel (Costa Rica)
    Katrin Stapput
    Zoologisches Institut, J W Goethe Universität Frankfurt, Siesmayerstrasse 70, 60054, Frankfurt a M, Germany
    Naturwissenschaften 92:250-3. 2005
    ..The crawling experience was sufficient to acquire the compass course that they later follow, probably with the help of a magnetic compass, not only in the water, but already while still on land...
  49. doi request reprint Ontogenetic development of magnetic compass orientation in domestic chickens (Gallus gallus)
    Susanne Denzau
    FB Biowissenschaften, Goethe Universitat Frankfurt, Frankfurt am Main, Germany
    J Exp Biol 216:3143-7. 2013
    ..The reasons why chicks that have been trained before that day fail to learn the task later remain unclear. ..
  50. doi request reprint Mathematical analysis of the navigational process in homing pigeons
    Ingo Schiffner
    Fachbereich Biowissenschaften, Goethe Universitat Frankfurt, Siesmayerstr 70 A, D 60054 Frankfurt am Main, Germany
    J Theor Biol 291:42-6. 2011
    ..This suggests that the navigational strategy is stable with the same process controlling the flight across familiar as well as unfamiliar terrain...
  51. ncbi request reprint Resonance effects indicate a radical-pair mechanism for avian magnetic compass
    Thorsten Ritz
    Department of Physics and Astronomy, University of California, Irvine, California 92697 4575, USA
    Nature 429:177-80. 2004
    ..These results are consistent with a resonance effect on singlet-triplet transitions and suggest a magnetic compass based on a radical-pair mechanism...
  52. ncbi request reprint Visual lateralization and homing in pigeons
    Helmut Prior
    Institut für Kognitive Neurowissenschaft, Biopsychologie, Ruhr Universitat Bochum, 44780 Bochum, Germany
    Behav Brain Res 154:301-10. 2004
    ..As likely mechanisms we suggest hemispheric differences in magnetic compass orientation and in the adjustment to optic flow...
  53. ncbi request reprint Chickens orient using a magnetic compass
    Rafael Freire
    Curr Biol 15:R620-1. 2005
  54. ncbi request reprint Magnetoreception
    Roswitha Wiltschko
    Fachbereich Biowissenschaften der J W Goethe Universität Frankfurt am Main, Germany
    Bioessays 28:157-68. 2006
    ..The mechanisms of magnetoreception in other animals have not yet been analyzed in detail...
  55. doi request reprint Different responses in two strains of chickens (Gallus gallus) in a magnetic orientation test
    Rafael Freire
    Centre for Neuroscience and Animal Behaviour, University of New England, Armidale, NSW, 2351, Australia
    Anim Cogn 11:547-52. 2008
    ..It therefore appears possible that the selection of the broiler strain has led to the elimination of the specific ability to respond to magnetic cues in the test situation...
  56. ncbi request reprint Magnetic intensity affects cryptochrome-dependent responses in Arabidopsis thaliana
    Margaret Ahmad
    Universite Paris VI, PCMP, Casier 156, 4 place Jussieu, Paris 75005, France
    Planta 225:615-24. 2007
    ..Our findings thus suggest intriguing parallels in magnetoreception of animals and plants that appear to be based on common physical properties of photoexcited cryptochromes...
  57. ncbi request reprint Conditioning to magnetic directions
    Wolfgang Wiltschko
    Neuroreport 18:949-50. 2007
  58. ncbi request reprint Lateralized response of chicks to magnetic cues
    Lesley J Rogers
    Centre for Neuroscience and Animal Behaviour, University of New England, Armidale, NSW 2351, Australia
    Behav Brain Res 186:66-71. 2008
    ..The different behaviour of the chicks using their left eye might not be a matter of a right eye-left hemisphere specialization for detecting magnetic directions, but of hemispheric specialization for attending to specific types of cues...