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La lontra potrebbe fare il suo ritorno in Svizzera dopo 25 anni di assenza. Un esemplare di questo mammifero è stato immortalato a più riprese in un corso d’acqua ginevrino, secondo quanto comunicato dal dipartimento cantonale dell'ambiente, che sottolinea come la notizia sia il coronamento di anni di sforzi per la rinaturazione dei fiumi nella regione.
L’animale è stato individuato per caso, grazie a trappole fotografiche installate per studiare il castoro. La sua origine non ha potuto essere accertata, ma con ogni probabilità proviene dalla vicina Francia.
La lontra è scomparsa dalla Svizzera alla fine degli anni '80, cacciata per la pelliccia e vittima dell'inquinamento delle acque e della distruzione del suo habitat.
Red.MM/ATS
RG 08.00 del 26/05/2014 Il servizio di Paola Latorre
RSI Info 26.05.2014, 10:42
Contenuto audio
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