Ugrás a tartalomhoz Lépj a menübe
 


Repülőgép okozhatta több ezer postagalamb eltűnését

 

Feltehetően a Concorde repülőgép okozta több ezer postagalamb rejtélyes eltűnését . A szuperszonikus repülőgép képes "megsüketíteni" a galambokat, így azok nem hallják azokat az alacsony frekvenciájú hangokat, amelyek a tájékozódásban segítik őket.

1997 júniusában 60 ezer angol galambot engedtek útjukra Franciaországban, és körülbelül az egyharmadukat soha nem látták többé. Feltehetőleg a madarak a Concorde keltette alacsony frekvenciájú hanghullámok miatt vesztették el tájékozódásukat.

A BBC írása szerint a galambok tájékozódása az iránytű működéséhez hasonló: a Föld mágneses mezejét és a Nap állását használják a navigációhoz. Ezenkívül egy "belső táblázat" segítségével összekapcsolják magukban az indulás helyét a célállomással.

Más szakértők szkeptikusak a Concorde "felelősségét" illetően. David Glover, a British Homing World szerkesztője szerint az 1997-es évről végzett kutatások azt mutatják, hogy egy intenzív esőhullám okozhatta a madarak halálát. Elmondta azt is, hogy a postagalambok között is vannak jó és rosszabb fajok, nem egyforma a teljesítményük.

 

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