Cygnus olor

Mandar um comentário
Cygnus olor
Cisne-branco
Canada, Ontario, Burlington.
23/12/2012
AN009'07-121223004'JJK








Nativo da Eurásia. Foi introduzido na América do Norte no final do século XIX. Está a expandir-se rapidamente neste continente e é considerado uma espécie invasora.