PS: its pronounced "Ban-dad-a!" (it's Spanish)
Definition of bandada in the Spanish dictionary: The first definition of flock in the dictionary of the real academy of the Spanish language is the number of birds that fly together. Another meaning of flock in the dictionary is set of fish. Flock is also a troop or bustling group of people.
(not a large colour handkerchief typically worn tied around the head or neck!)