Assertion: gull's colony | /r/CapableOf | shift location
Facets:
value: from year
type: TEMPORAL
value: annually
type: TEMPORAL
Source sentences:
text: Since the condition of these marshes is variable from year to year, it is not unusual for entire colonies to shift location annually.
text: However, because many colonies shift locations from year to year, these trend estimates are less certain than for other species.