Assertion: owl's territory | /r/HasProperty | claimed
Facets:
value: by singing from different perches
type: MANNER
value: officially
type: MANNER
Source sentences:
text: A lot of owls hoot like this to send a message to other owls letting them know the territory they’ve just found is officially claimed.
text: The territories are claimed by singing from different perches, often near the perimeter of its perceived home range.
text: Territories are claimed by hooting at the start of the breeding season.