La Volpoca

Foto di Massimiliano Sticca, CC Flickr

Un tempo molto più rara, la Volpoca, una delle anatre più belle, è tornata negli ultimi anni molto numerosa, ed è facile avvistarla in Pialassa della Baiona, dove nidificano con successo numerose coppie.

Il nome Volpoca le è stato attribuito perché – per via delle dimensioni considerevoli e della protuberanza sul becco – si pensava che fosse un’oca che faceva il nido nelle tane delle volpi: la volpoca è infatti l’unica anatra che fa il nido in cunicoli e anfratti del terreno e degli argini.

I piccoli di volpoca sono abili nuotatori fin dai primi giorni e riescono a immergersi in profondità per fuggire da eventuali pericoli, mentre i genitori tendono a distrarre i predatori utilizzando apposite strategie.

Il nome inglese della volpoca è Shelduck, “Anatra conchiglia”.

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