The day commemorating the actual birthday of a child from the perspective of the mother who physically gave birth to that child. That is to say, on any given child's birthday, that day is the respective biological mother's "Birthing Day" for that child specifically.

Anatidaephobia is defined as a pervasive, irrational fear that one is being watched by a duck. The anatidaephobic individual fears that no matter where they are or what they are doing, a duck watches.

Anatidaephobia is derived from the Greek word "anatidae", meaning ducks, geese or swans and "phobos" meaning fear.