migrant shrike vs shrike

migrant shrike and shrike both are nouns.

Word	Noun	Adjective	Verb	Adverb
migrant shrike	Yes	No	No	No
shrike	Yes	No	No	No

As nouns, shrike is a hypernym of migrant shrike; that is, shrike is a word with a broader meaning than migrant shrike:

migrant shrike: a shrike of central North America; winters in Texas and the southern Mississippi valley
shrike: any of numerous Old World birds having a strong hooked bill that feed on smaller animals

migrant shrike (noun)	shrike (noun)
a shrike of central North America; winters in Texas and the southern Mississippi valley	any of numerous Old World birds having a strong hooked bill that feed on smaller animals