Assertion: nightjar's plumage | /r/HasProperty | much a matter of fortune
Facets:
value: as effort
type: MANNER
value: given their nocturnal habits
type: CAUSE
value: as knowledge
type: OTHER
Source sentences:
text: Given their nocturnal habits, cryptic plumage and difficulty of observation, nightjar observation "is as much a matter of fortune as effort or knowledge".