Not vegan

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

Names you may see on a label

ankanrasvagordura de patograisse de canardgrasso d'anatraEntenfettутиный жирankfettgrasa de patoandefedteendenvetlípido de patograssi di anatra

How to verify it

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