||Scientific name: Cygnus atratus|
Registered by Latham in 1790.
No subspecies recognized.
||Australia and Tasmania. Introduced in New Zealand. Feral individuals in Europe and Japan.|
||Sedentary. Displaces according to food abundance.|
||Lakes and deposits of fresh water. Occasional on sea coast.|
||Sociable. Concentrations of up to 70,000 individuals.|
Usually once a year.
||Rainy season (different time of the year according to location).|
||Small islands, on the aquatic grass, on lakes shores.|
Accumulation of grass that can reach two meters wide by one high.
||From four to seven eggs, can be as many as ten.|
||35 to 45 days. Both parents.|
||Born with white feathers. Later change to dark gray plumage.|
Fly at six months of age.
||At two years of age.|
||Sexes are alike.|
||Length from 1.2 to 1.4 meters (4 to 4 1/2 feet).|
||Male: average 6.3 Kg. (14 pounds) maximum 8.7 Kg. (19 pounds)|
Female: average 5.1 Kg. (11 pounds)
||Small in proportion to the body. Covered with feathers.|
||Red with a white band.|
Nostrils at the middle.
Medium size in proportion to the head. Wide and flattened.
||Long. Covered with feathers.|
||Short. Dark gray.|
|Spanish: ||“Cisne Negro”|
|Portuguese: ||“cisne preto”|
|French: ||“Cygne Noir”|