This document lists various symbols of Estonia including the national fish, traditional costumes, flag, coat of arms, national bird, and national flower. Specifically, it mentions that the national fish is the Baltic herring, traditional costumes are associated with Arnold and Ingrid Rüütel, the flag is blue, black, and white, the coat of arms depicts three blue lions on a golden background surrounded by oak leaves, the national bird is the chaffinch, and the national flower is the cornflower.