Assertion: red billed tropicbird | /r/HasProperty | basal
Facets:
value: within the genus
type: OTHER
Source sentences:
text: The red-billed tropicbird is basal within the genus.
text: The red-billed tropicbird is basal (the earliest offshoot) in the genus Phaethon, the sole extant genus in the family Phaethontidae, the tropicbirds.