Swan

Mute Swan are found mostly in the British Isles as well as Netherlands, Denmark, Germany, Romania and Russia. They produce grunting and snorting sounds and therefore not voiceless as the name suggests.They feed on aquatic vegetation and laying pellets. The breeding season occurs from August to December.

Coscoroba Swan are found in South American countries such as Argentina, Chile, Paraguay and Brazil. It makes four loud notes that are descending one after the other in quick succession.They feed on aquatic vegetation and laying pellets. Breeding occurs right through the year.

Black Swan are found in Australia and Tasmania. They produce a high pitched bugling sound usually with the neck fully stretched. They feed on aquatic vegetation and laying pellets. Breeding occurs right through the year.

Black-necked swan are found in the southern parts of South America as well as in the Falkland Islands. When excited they produce a wheezy musical sound. They feed on aquatic vegetation and laying pellets.The breeding season occurs from September to December or from April to July

Whooper Swan is a large Northern Hemisphere swan. Their preferred breeding habitat is wetland, but semi-domesticated birds will build a nest anywhere close to water.  The female will usually lay 4–7 eggs. The cygnets hatch after about 36 days and have a grey or brown plumage.

Trumpeter Swan is a species of swan found in North America. It is the heaviest bird native to North America. Adults usually measure 138–165 cm long, though large males can range up to 180 cm. The wingspan ranges from 185 to 250 cm with the wing chord measuring 60–68 cm. Its black bill is useful in distinguishing the Trumpeter Swan from other species