Assertion: bird | /r/HasProperty | diurnal
Facets:
value: in habit
type: OTHER
Source sentences:
text: Most birds are diurnal, but some birds, such as many species of owls and nightjars, are nocturnal or crepuscular (active during twilight hours), and many coastal waders feed when the tides are appropriate, by day or night.
text: Most birds are diurnal in habit.
text: Birds that are awake during the day are diurnal.