Assertion: european honey buzzard | /r/CapableOf | leave northumberland
Facets:
value: in early september
type: TEMPORAL
value: at the end of august
type: TEMPORAL
Source sentences:
text: While a few adult Honey-buzzard do leave Northumberland at the end of August or in early September, many birds hang on to mid-September to look after the young of the year before departing.