Canard is French for duck, a type of aquatic bird. The national park is known for its aquatic bird fauna. The flightless aquatic bird "Hesperornis" also made its home there. The definitive host, which is usually an aquatic bird, becomes infected upon ingestion of metacercariae. A "penguin" is a flightless aquatic bird. The term aquatic bird is sometimes also used in this context. The term "aquatic bird" is sometimes also used in this context. It has important aquatic bird fauna, of several species and in great number. The Aquatic Bird House is also home to another endangered stork species&colon; the Storm's stork. First opened in 1982, the zoo's historic Aquatic Bird House featured two main theater-style galleries.