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Un nuovo studio rivela che questo piccolo uccello attraversa il Sahara con un volo ininterrotto fino a 45 ore. Con Arno Schneider, ornitologo e Responsabile dell’Antenna ticinese della Stazione ornitologica svizzera, abbiamo parlato della sua migrazione e delle sfide per la sua sopravvivenza nei prati svizzeri.
Scopri la serie
https://www.rsi.ch/s/703908
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