catbird vs satin bird

catbird and satin bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
catbird	Yes	No	No	No
satin bird	Yes	No	No	No

As nouns, satin bird is a hyponym of catbird; that is, satin bird is a word with a more specific, narrower meaning than catbird:

catbird: any of various birds of the Australian region whose males build ornamented structures resembling bowers in order to attract females
satin bird: of southeast Australia; male is glossy violet blue; female is light grey-green

catbird (noun)	satin bird (noun)
North American songbird whose call resembles a cat's mewing	of southeast Australia; male is glossy violet blue; female is light grey-green
any of various birds of the Australian region whose males build ornamented structures resembling bowers in order to attract females