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