Assertion: condor's bird | /r/HasProperty | passerine
Facets:
value: mainly
type: DEGREE
Source sentences:
text: The default color of vertebrate eggs is the white of the calcium carbonate from which the shells are made, but some birds, mainly passerines, produce colored eggs.
text: Perching birds, also known as passerines, are the most diverse bird group, consisting of over 5,000 species of tits, sparrows, finches, wrens, dippers, thrushes, starlings, warblers, crows, jays, wagtails, swallows, larks, martins, warblers, and many others.