Assertion: feather's bird | /r/HasProperty | collected
Facets:
value: intermittently
type: TEMPORAL
value: without harming the nests
type: MANNER
value: during the nesting season
type: TEMPORAL
Source sentences:
text: The birds are provided with nest sites and protected from predators, and down is collected intermittently during the nesting season without harming the nests or female ducks.