Assertion: blackbird | /r/CapableOf | protect their territory
Facets:
value: vigorously
type: MANNER
value: from intruders
type: TRANSITIVE-OBJECT
Source sentences:
text: They form monogamous couples (pairs that mate for a lifetime) and protect their territory from intruders.
text: They vigorously defend territories and are aggressive towards other bird species, especially for several weeks leading up to, and during, their breeding season, but they are more tolerant during other times of the year.