Despite being called a goose, its closest relatives are thought to be the shelducks, and scientists group it with them.

Ducks, Geese and Swans · day 7 of 7
Despite its name, it is placed with the shelducks, its closest relatives.
The white is hidden at rest and shown in alarm or aggression.
His breathy call, given in quick bursts, sounds somewhat like a steam engine.
They pursue intruders into the air in aerial dogfights, and have even attacked drones.
It means fox-goose, after the ruddy colour of its back.
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