Muscicapa grisola vs flycatcher

Muscicapa grisola and flycatcher both are nouns.

Word	Noun	Adjective	Verb	Adverb
Muscicapa grisola	Yes	No	No	No
flycatcher	Yes	No	No	No

As nouns, flycatcher is a hypernym of Muscicapa grisola; that is, flycatcher is a word with a broader meaning than Muscicapa grisola:

Muscicapa grisola: common European woodland flycatcher with greyish-brown plumage
flycatcher: any of a large group of small songbirds that feed on insects taken on the wing

Other hypernyms of Muscicapa grisola include Old World flycatcher, true flycatcher.

Muscicapa grisola (noun)	flycatcher (noun)
common European woodland flycatcher with greyish-brown plumage	any of a large group of small songbirds that feed on insects taken on the wing
	large American birds that characteristically catch insects on the wing