magnetic compass
The role of extraocular photoreceptors in newt magnetic compass orientation: parallels between light dependent magnetoreception and polarized light detection in vertebrates
... newt’s magnetic compass response ...newt’s magnetic compass, the similarity in the spectral dependence of these two responses is ...shoreward magnetic compass orientation of ...
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Feasibility of sun and magnetic compass mechanisms in avian long-distance migration
... of magnetic compass routes, we used the same initial departure directions (relative to geographic North) and a migration speed of 200 km/d as for the sun compass ...Since magnetic field pa- ...
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A behavioral perspective on the biophysics of the light dependent magnetic compass: a link between directional and spatial perception?
... a compass as ...of magnetic orientation that, in contrast to normal migratory (i.e. compass) orientation: (1) does not reverse seasonally, (2) is sensitive to the polarity of the magnetic ...
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Magnetic compass orientation in the blind mole rat Spalax ehrenbergi
... With regard to the toilet site, the mole rats did not show any magnetic compass orientation preference under either natural or altered magnetic fields. Careful examination of the pattern of urine and ...
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Magnetic compass orientation in two strictly subterranean rodents: learned or species specific innate directional preference?
... The behavioural test designed to assess magnetic compass orientation in mole-rats has been described in detail previously (Burda et al., 1990). Briefly, individual silvery mole-rats or pairs of the giant ...
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Ontogenetic development of magnetic compass orientation in domestic chickens (Gallus gallus)
... specific magnetic direction, thus demonstrating their ability to obtain compass information from the geomagnetic field (Freire et ...the magnetic compass of chickens works in the same way as ...
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Magnetic compass orientation in European robins is dependent on both wavelength and intensity of light
... the magnetic compass in ...a magnetic inclination compass by showing axial rather than polar characteristics and by being insensitive to changes in magnetic intensity smaller than 10% ...
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White throated sparrows calibrate their magnetic compass by polarized light cues during both autumn and spring migration
... their magnetic compass or the celestial compasses (but see Muheim et ...the magnetic compass is recalibrated by celestial cues during the premigratory period, ...the magnetic ...
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Zebra finches have a light dependent magnetic compass similar to migratory birds
... light-dependent magnetic compass that provides information about the spatial alignment of the geomagnetic ...the magnetic compass in zebra ...using magnetic compass ...trained ...
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Spontaneous magnetic orientation in larval Drosophila shares properties with learned magnetic compass responses in adult flies and mice
... learned magnetic compass responses in both adult fruit flies and adult mealworm beetles appear to be mediated by a light- dependent mechanism (reviewed by Phillips et ...unimodal magnetic orientation ...
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Sanderlings (Calidris alba) have a magnetic compass: orientation experiments during spring migration in Iceland
... Research on the orientation system of migratory birds has produced an impressive amount of information concerning which directional references migrants are able to use during their journeys between breeding and wintering ...
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Magnetic compass cues and visual pattern learning in honeybees
... from magnetic fields of Earth strength and higher, providing an example of a potential compass response in freely flying bees to be added to evidence for magnetic orientation in landmark learning ...
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The magnetic compass of domestic chickens, Gallus gallus
... a magnetic compass had been demonstrated; here, homing after displacement produced reliable directional tendencies for analysis (Keeton, ...using magnetic stimuli, on the other hand, have been ...
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Migratory blackcaps tested in Emlen funnels can orient at 85 degrees but not at 88 degrees magnetic inclination
... for magnetic compass orientation under laboratory conditions in Emlen funnels is also important, because ‘vertical’ fields have often been used in earlier studies whenever a magnetic condition was ...
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Calibration of magnetic and celestial compass cues in migratory birds a review of cue conflict experiments
... shifted magnetic fields in the nest ...and magnetic cues, they exhibited shifts in orientation that appeared to be consistent with celestial compass cues being recalibrated with respect to the ...
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Light dependent magnetoreception in birds: the behaviour of European robins, Erithacus rubecula, under monochromatic light of various wavelengths and intensities
... that magnetic compass information is mediated by a radical-pair ...the magnetic field ...the magnetic field if the triplet yields obtained in different directions are compared (Schulten and ...
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ACCESS TO PREVOCATIONAL MATHS 1
... Teaching and learning activities 8:1 Bearings: card matching activity Make a basic magnetic compass.. 8:5 Understanding scales: card sort and matching activity 8:6 Scales[r] ...
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SELF CONTROLLED ROBOT FOR MILITARY
... Although there are many command controlled robots, the need for self-controlled robots are on rise for military purposes, which in general called as Unmanned ground vehicles (UGVs). These robots are used to augment the ...
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Waved albatrosses can navigate with strong magnets attached to their head
... strong magnetic pulse designed to disturb the magnetization of single-domain magnetite crystals deflected their orientation, but did not, at least in some cases, seem to impair their ability to pick a consistent ...
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Behavioural evidence for the use of magnetic material in magnetoreception by a migratory bird
... ambient magnetic field elicit physiological, cellular and behavioural responses in animals, the biophysical mechanism of magnetic sensory perception is not ...and magnetic particles (magnetite) ...
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