bird's eye view vs perspective

bird's eye view and perspective both are nouns.

Word	Noun	Adjective	Verb	Adverb
bird's eye view	Yes	No	No	No
perspective	Yes	No	No	No

As nouns, perspective is a hypernym of bird's eye view; that is, perspective is a word with a broader meaning than bird's eye view:

bird's eye view: a situation or topic as if viewed from an altitude or distance
perspective: a way of regarding situations or topics etc.

Other hypernyms of bird's eye view include position, view.

bird's eye view (noun)	perspective (noun)
a situation or topic as if viewed from an altitude or distance	the appearance of things relative to one another as determined by their distance from the viewer
	a way of regarding situations or topics etc.