Archenemy#58
TommyC: Erre is van magyarázat (még mindig a wiki):
"
Various experiments suggest that different breeds of homing pigeons rely on different cues to different extents. Charles Walcott at Cornell was able to demonstrate that one strain of pigeons was confused by a magnetic anomaly in the Earth that had no effect on another strain of birds. "
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"Some research also indicates that homing pigeons navigate by following roads and other man-made features, making 90 degree turns and following habitual routes, much the same way that humans navigate"
Azaz más rajok másra érzékenyek. Olyan is van, amit lentebb említett valaki, hogy megjegyzik a tereptárgyakat - ez talán biztosabb és pontosabb nekik - de ha ezt nem tehetik meg, akkor (a jelek szerint) a mágneses vonalak alapján tájékozódnak.