Assertion: hoatzin | /r/HasProperty | unusal
Facets:
value: for a variety of reasons
type: CAUSE
value: very
type: DEGREE
value: among birds
type: OTHER
Source sentences:
text: Hoatzin are very unusal among birds for a variety of reasons and have intrigued scientists since they were first described in 1776, by German zoologist Statius Müller.