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Pro Natura ha scelto la natrice dal collare (natrix natrix) quale animale del 2015. L'esistenza di questa biscia d'acqua non velenosa è infatti minacciata a causa della scomparsa progressiva sia del suo ambiente che delle prede, in prevalenza rane e rospi. Per ostacolarne la scomparsa, l'organizzazione ambientalista sta realizzando pozze e stagni e invita i comuni a fare altrettanto.
Nella lista delle specie in pericolo, questo timido rettile, del tutto innocuo per l'uomo, è segnalato come vulnerabile. Negli ultimi decenni, la sua presenza in Svizzera s'è molto ridotta. Diffuso in tutto il paese, questo serpente, uno degli otto indigeni, è caratterizzato da due bande chiare a forma di mezza luna sulla nuca, da cui il nome.
Con la sua "elezione" si vuole anche lanciare un appello in favore delle zone umide, affinché vengano maggiormente tutelate e messe in connessione tra loro.
ATS/dg
Sotto osservazione
Dal TG20:
Dal TG12.30:
05.01.2015: La biscia d'acqua dell'anno
RSI Telegiornale 05.01.2015, 13:58
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