Assertion: hummingbird's undertail covert | /r/HasProperty | plain white
Facets:
Source sentences:
text: While many hummingbirds have plain white undertail coverts, any color wash, spots or other markings can be excellent field marks for accurate identification.
text: While many hummingbirds have plain white undertail coverts, any color wash, spots or other markings can be excellent field marks for accurate identification.