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 :
... in 2002.
Larger version
The Eurofighter Typhoon is a twin-engine multirole canard-delta fighter aircraft, designed and built by a consortium of European nations ...