There is no such thing as "the first duck." all things on earth evolved slowly, mutation by mutation, so that they fit their environment. Things that have good mutations live and have kids, and their kids have that mutation. That's how evolution works.
The Egg - another species that the duck has evolved from lays the duck egg, and the duck is born :)
Donald Duck was born in the United States from the mind of Walt Disney during the first world war.
Arthur Duck was born in 1580.
Jacob Duck was born in 1600.
Duck Edwing was born in 1934.
Emma Duck was born in 1981.
Joey Duck was born in 1990.
Nicholas Duck was born in 1570.
Duck Baker was born on July 30, 1949.
Duck Jetten was born on November 17, 1946.
Donald 'Duck' Richardson was born in 1936.
Jenny Duck was born on 1968-07-31.