Vor 50 Jahren: Warum Schwalben die Alpen in Flugzeugen überquerten
Vor 50 JahrenEin winterlicher Frühherbst setzte Zugvögeln 1974 arg zu – und führten zu einer historischen Rettungsaktion. Auch Crailsheimer Schwalben machten sich auf eine besondere Reise.
Eine Mehlschwalbe mit vollem Schnabel war im Herbst 1974 ein seltenes Bild – eine entsprechend schwache Konstitution hatten die Vögel.
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