Alle Bolle di Magadino è stato avvistato un esemplare di Parula golagialla, un piccolo passeriforme nordamericano avvistato pochissime volte in Europa e, per quanto si sa, mai nella regione alpina.
Ne ha dato notizia Ficedula, Associazione per lo studio e la conservazione degli uccelli della Svizzera italiana, dopo la scoperta fatta lo scorso sabato dall'ornitologo ticinese Ivan Maggini. L'osservazione conferma l'importanza della zona protetta ticinese nella rete delle zone umide continentali, ma potrebbe essere anche un ulteriore segnale dei cambiamenti climatici.
Birdwatchers e ornitologi sono giunti anche dall'Austria
Decine e decine di appassionati, da tutta Svizzera e anche dall'estero, sono accorsi a Magadino sperando di avvistare il raro visitatore. La Parula golagialla è ancora presente in zona e può essere osservata in zona diga della Pèpa.
Dall'archivio RSI: la passione per l'ornitologia in Ticino
Ornitologia che passione! Uccelli delle cave e uccelli da passo
RSI Notrehistoire 04.04.1983, 17:57
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