What kind of bird is the Ugly Duckling?
Cob (bird) Cygninae Cob (swan) Cygnus (genus) Wild Swan Swan Cygnini Cygnus (swan) Swanling Cygnet (bird)
cygnus swan wild swan cygnus genus swan cob bird cygninae cygnini cob swan swanling cygnet bird
swan
WikipediaEntity
Swan