A wild black swan Cygnus atratus . taken in south east Australia
Author Benjamint444 https://commons.wikimedia.org/wiki/User:Benjamint444
Source: https://commons.wikimedia.org/wiki/File:Black_swan444.jpg

The black swan (Cygnus atratus) is a large waterbird, a species of swan, which breeds mainly in the southeast and southwest regions of Australia. The species was introduced to New Zealand in the 1860s. Within Australia they are nomadic, with erratic migration patterns dependent upon climatic conditions. Black swans are large birds with mostly black plumage and red bills. They are monogamous breeders that share incubation duties and cygnet rearing between the sexes. Described scientifically by English naturalist John Latham in 1790, the black swan was formerly placed into a monotypic genus, Chenopis.
Order: Anseriformes
Family: Anatidae
Subfamily: Anserinae
Tribe: Cygnini
Genus: Cygnus
Species: Cygnus atratus (Latham, 1790)
Synonyms:
Anas atrata Latham, 1790
Chenopis atratus