Homing pigeons
Long flights and age affect oxidative status of homing pigeons (Columba livia)
... using homing pigeons ( Columba livia ) as a model ...of pigeons flew for around 60 and 200·km, respectively. Pigeons that flew for 200·km had a 54% increase in oxidative damage as measured by ...
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Sun compass orientation in homing pigeons: compensation for different rates of change in azimuth?
... subjecting homing pigeons to a 6 h shift of their internal clock ...with pigeons, tend to mask any effect of variations in the hourly changes in sun ...
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Asymmetry of different brain structures in homing pigeons with and without navigational experience
... in pigeons with navigational experience although it is involved in processing information for successful homing (Cnotka et ...in homing pigeons in comparison with other non-homing ...
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Conditioned discrimination of magnetic inclination in a spatial orientation arena task by homing pigeons (Columba livia)
... that homing pigeons are able to use the Earth’s magnetic field to obtain directional information when returning to their loft and that their magnetic compass is based, at least in part, on the perception of ...
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Transferring intercellular signals and traits between cancer cells: extracellular vesicles as “homing pigeons”
... Taken together in order to exploit EVs as potential biomarkers or therapeutical targets, several technical obstacles will have to be tackled in the near future: the procedures for EV isolation and quantification need to ...
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Tracking clock shifted homing pigeons from familiar release sites
... that homing pigeons use visual landmarks up to a distance of approximately 23 km, but attempts to replicate those results have failed (Schmidt-Koenig, 1966; Graue, ...clock-shifted pigeons had a mean ...
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Olfactory lateralization in homing pigeons: a GPS study on birds released with unilateral olfactory inputs
... scale, homing pigeons represent an excellent animal model for investigating functional asymmetry in the avian olfactory system, although this issue was taken into consideration only ...and homing ...
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Head mounted sensors reveal visual attention of free flying homing pigeons
... free-flying homing pigeons. Pigeons have a limited range of eye movement, and their eye moves in coordination with their head in a saccadic manner (similar to primate eye ...that pigeons use ...
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Homing pigeons use olfactory cues for navigation in england
... control pigeons show that, despite their fame as unfailing navigators, homing pigeons can perform poorly in orientation and ...of homing performance, by contrast, even in England because they ...
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Atmospheric propagation modeling indicates homing pigeons use loft specific infrasonic ‘map’ cues
... for homing pigeons at three experimental sites in upstate New York where ...control pigeons from the Cornell loft vanished in random directions, in directions consistently >50 deg clockwise and ...
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Factors reducing the expected deflection in initial orientation in clock shifted homing pigeons
... displacement, homing can take place if a bird is able to establish the new position with respect to home (map step), and if it can determine a direction in space following which it will reach the goal (compass ...
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Homing pigeons (Columba livia) modulate wingbeat characteristics as a function of route familiarity
... Homing pigeons ( Columba livia Gmelin 1789) are an ideal model species for studies investigating flight characteristics in relation to navigational knowledge because of their innate homing ability, ...
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Navigational abilities of adult and experienced homing pigeons deprived of olfactory or trigeminally mediated magnetic information
... for pigeons homing from unfamiliar ...inexperienced pigeons, section of the ophthalmic branch of the trigeminal nerve does not impair navigational ...young pigeons, before they have had the ...
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Navigational abilities of homing pigeons deprived of olfactory or trigeminally mediated magnetic information when young
... of homing pigeons, where they are innervated by the ophthalmic branch of the trigeminal ...homing pigeons. Recent data have shown that, in inexperienced pigeons, section of the ...
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Testing cognitive navigation in unknown territories: homing pigeons choose different targets
... hungry pigeons flew either directly to the food loft across unknown territories or they corrected topographically induced deviations towards the target sites in early segments of the ...Swiss pigeons had ...
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Sun Navigation in Homing Pigeons
... The existence of some form of accurate time mechanism is an essential part of the full hypothesis, though in theory latitude could be obtained without such a chronometer, from the altitu[r] ...
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An analysis of clock shift experiments: is scatter increased and deflection reduced in clock shifted homing pigeons?
... in pigeons is the magnetic ...However, pigeons tested directionally in an outdoor arena with no internal directional visual cues added did not appear to show either of the usual clock-shift effects, even ...
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The Initial Orientation of Homing Pigeons at the Magnetic Equator: Compass Mechanisms and the Effect of Applied Magnets
... If for any reason the experimental procedure failed to provide the pigeons with a viable magnetic inclination compass, the magnets would, in any case, modify magnetic cues available to t[r] ...
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Are American Homing Pigeons Genetically Different from Italian Ones?
... Recent Cornell experiments performed by Benvenuti and Brown 1989 tested the rearing and training hypothesis by comparing the behaviour of two groups of American anosmic birds, one raised[r] ...
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Sun Navigation in Homing Pigeons Attempts to shift Sun Coordinates
... 3, the angle between it and the direction to the home loft is called the 'Home Error'; the difference between the 10 mile track bearing and the previous training direction is the ' Compa[r] ...
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