TO Porto Ceresioon the banks of Lake Lugano (or Ceresio) in the province of Varese, a black swan Which, with its elegant presence, immediately attracted the attention of residents and tourists. But behind the suggestion of such an unusual meeting, a more serious question is hidden, which concerns the Management of non -native fauna.
An exotic species from the Australian continent
The black swan, whose scientific name is Cygnus Attusis an original species ofAustralia And it is not naturally present in our environments. As he explains to VareseNews Milo Manica, president of the Ornithological Group Insubrico (Thu), the specimen may have been purchased as an ornamental animal and then irresponsibly abandoned. This behavior, unfortunately not rare, can have long -term consequences.
Impacts on the local environment
Although the black swan is not considered one invasive specieshis presence in nature. In particular, the expert underlines the need for Avoid any attempt to promote reproduction. Even if he does not mate with local swans, introducing other individuals to form a couple could trigger competitive mechanisms with local species or facilitate the transmission of diseases.
This is not an isolated case
The episode of Porto Ceresio fits into a wider picture, which sees an increase in ALLOCTON SPECTIONS SPECIALS in the province. An emblematic case comes from Angerawhere the first nesting of Canadian goose in Lombardy. The specimens have successfully set themselves and have already created five chicks.
But not everything is positive since one of the parents attacked a swan. They are notoriously aggressive animals and could also attack visitors. Also in this case, the recommendation is clear:, in order not to alter their natural behavior.
And the episode of a crowned crane became a real star at Lido della Schiranna, in Varese, and that it was escaped from a pet shop of the city. After being portrayed far and wide by the Varese, disturbed by the arrival of the Lunapark flew up to Cocquio Trevisago in a chicken coop where she was captured and sadly reported in the shop.
I’m not an attraction
The presence of exotic species such as black swan may seem like an attraction, but it is important carefully evaluate the ecological implications. The expert’s message is an invitation to responsibility and to protection of environmental balancewhich can be easily compromised by superficial or emotional choices.
