Not a duck at all, this pungent, flavorful food is actually dried salted fish. It can be found in East Indian markets and some specialty markets. Bombay duck is most often used to flavor curried dishes. It's also cooked until crisp and eaten as a snack.
From The Food Lover's Companion, Fourth edition by Sharon Tyler Herbst and Ron Herbst. Copyright © 2007, 2001, 1995, 1990 by Barron's Educational Series, Inc.