The duck, as the name implies, is yellow in colour. The drakes weigh 3–3.5kg while the ducks weigh 2.5–3kg.
Conservation
As of 2007, the FAO marked the duck as "Critical-maintained", meaning it is critically endangered but maintained and at very little risk of any loss. In 2021 DAD-ISreported it as "at risk" with 6 herds with an average of 37individuals each making up a total population of 236.