Not vegan

duck liver is classified as animal-derived by the local ingredient taxonomy.

Names you may see on a label

kachní játraankanmaksafoie de canardAnka levereendenleverhígado de patoAndeleverfegato d'anatraEntenleberУтиная печеньwątroba kaczkiwątróbka z kaczkiankan maksa

How to verify it

If this ingredient appears in the recipe rather than a precautionary trace statement, the product is not vegan.