Bittern

Beauty Of Animal | Bittern | Bitterns are a classification of birds in the heron family, Ardeidae, a family of wading birds. Species, called bitterns tend to be shorter neck, and members are often more secret than this family.

Was called in English hæferblæte old; the word "Bulwark" came into English from Old French butor itself from Gallo Roman butitaurus, a portmanteau būtiō Latin and bull