A national emblem is a symbol that represents a nation. It may or may not appear on the national flag. It is usually something from the natural world, eg. an animal or bird, but can be any object.
The official national emblems of nations of the world in alphabetical order :
... an American actor. Born Edgar Montillion Wooley in New York City, Woolley was a professor and lecturer at Yale University (one of his students was Thornton Wilder) who ...