*Geese are large aquatic birds of the genus Cygnus family Anatidae. Ducks and Short-necked geese are also found in the Anatidae family. The goose with a short-necked goose enters the Anserinae subfamily but the Goose has its own tribe, the Cygnini tribe. There are seven species in the genus Cygnus. Geese are monogamous animals, 'divorce' sometimes occurs when nesting processes fail.*
 is completely black except for the fur that is used to fly on its wings. Young black goose is bright gray. In South America, a black-necked goose has a black neck to its name. Goose legs are generally dark gray, except for two species from South America that have pink legs. Beak color varies; aubartic species have a black beak with a yellow mixture. The others are red and black.*
