Pica pica vs magpie

Pica pica and magpie both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pica pica	Yes	No	No	No
magpie	Yes	No	No	No

As nouns, magpie is a hypernym of Pica pica; that is, magpie is a word with a broader meaning than Pica pica:

Pica pica: a common magpie of Eurasia
magpie: long-tailed black-and-white crow that utters a raucous chattering call

Pica pica (noun)	magpie (noun)
a common magpie of Eurasia	long-tailed black-and-white crow that utters a raucous chattering call
	someone who collects things that have been discarded by others
	an obnoxious and foolish and loquacious talker