As nouns,
northern oriole is a hypernym of
Icterus galbula galbula; that is, northern oriole is a
word with a broader meaning than Icterus galbula galbula:
Icterus galbula galbula: eastern subspecies of northern oriole
northern oriole: a kind of New World oriole
Other hypernyms of Icterus galbula galbula include
Icterus galbula.